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100+ ZeroFOX Interview Questions and Answers

Updated 2 Apr 2025
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Q101. Explain BMS Devices list Dps dpt tempsensors fire dampers and other devices

Ans.

BMS Devices list includes DPS, DPT, temperature sensors, fire dampers and other devices used in Building Management Systems.

  • BMS Devices list is a comprehensive list of devices used in Building Management Systems.

  • DPS (Differential Pressure Sensors) are used to measure the difference in pressure between two points.

  • DPT (Differential Pressure Transmitters) are used to measure the pressure difference and transmit the data to the control system.

  • Temperature sensors are used to measu...read more

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Q102. What do you know about PID Loops.

Ans.

PID loops are a type of control loop feedback mechanism used in systems to maintain a desired setpoint by adjusting the process inputs.

  • PID stands for Proportional-Integral-Derivative, which are the three control terms used in the loop.

  • Proportional term responds to the current error value.

  • Integral term deals with the accumulation of past errors.

  • Derivative term predicts future errors based on the rate of change.

  • PID loops are commonly used in industrial automation, robotics, and...read more

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Q103. what is bms and its architechture?

Ans.

BMS stands for Building Management System. It is a computer-based control system that manages and monitors a building's mechanical and electrical equipment.

  • BMS controls and monitors HVAC systems, lighting, security, fire alarms, and other building systems.

  • It typically consists of sensors, controllers, communication networks, and user interfaces.

  • Examples of BMS vendors include Siemens, Honeywell, and Johnson Controls.

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Q104. What types of reports are developed.

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Q105. Tell about different types of flow sensors

Ans.

Flow sensors measure the flow rate of liquids or gases, crucial for various applications in industries and research.

  • 1. Differential Pressure Flow Sensors: Measure pressure drop across an obstruction (e.g., orifice plates).

  • 2. Electromagnetic Flow Meters: Use electromagnetic induction to measure conductive fluid flow (e.g., water).

  • 3. Ultrasonic Flow Meters: Utilize ultrasonic waves to measure flow velocity (e.g., in HVAC systems).

  • 4. Turbine Flow Meters: Measure flow rate based ...read more

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Q106. What are the applications of a Zener diode?

Ans.

Zener diodes are used for voltage regulation, voltage reference, surge protection, and in voltage stabilizers.

  • Voltage regulation in power supplies

  • Voltage reference in circuits

  • Surge protection in electronic devices

  • Voltage stabilizers in automotive systems

  • Overvoltage protection in communication systems

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Q107. Explain the Collection cycle?

Ans.

The collection cycle refers to the process of collecting outstanding debts from customers.

  • The cycle begins with sending invoices to customers for payment.

  • If payment is not received by the due date, a reminder is sent to the customer.

  • If payment is still not received, a collection call is made to the customer.

  • If the debt remains unpaid, the account may be sent to a collection agency.

  • The cycle ends when the debt is paid in full or written off as uncollectible.

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Q108. what is superheat and much required

Ans.

Superheat is the temperature of a vapor above its saturation temperature in a refrigeration system.

  • Superheat is the difference between the actual temperature of the refrigerant vapor and its saturation temperature at a given pressure.

  • It is important in refrigeration systems to prevent liquid refrigerant from entering the compressor, which can cause damage.

  • Superheat is typically measured in degrees Fahrenheit or Celsius.

  • Proper superheat levels ensure efficient operation and pr...read more

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Q109. Wha do you know about Intercompany?

Ans.

Intercompany refers to transactions that occur between two or more entities within the same company or corporate group.

  • Intercompany transactions are common in multinational corporations to transfer goods, services, or funds between subsidiaries.

  • These transactions must be recorded accurately to ensure proper financial reporting and compliance with tax regulations.

  • Intercompany eliminations are necessary to avoid double counting of revenues and expenses in consolidated financial...read more

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Q110. What is your Product development approach

Ans.

My product development approach involves a customer-centric mindset, iterative prototyping, cross-functional collaboration, and continuous improvement.

  • Customer-centric mindset: Prioritizing customer needs and feedback throughout the development process.

  • Iterative prototyping: Building and testing prototypes in multiple iterations to gather feedback and make improvements.

  • Cross-functional collaboration: Working closely with different teams such as design, engineering, and market...read more

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Q111. What process you follow for part creation?

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Q112. working principle of the scroll compressor

Ans.

Scroll compressor uses two interleaved spiral scrolls to compress air or refrigerant.

  • Scroll compressor has fewer moving parts and is more efficient than traditional compressors.

  • The scrolls are made of a durable material like aluminum or steel.

  • The scrolls rotate in opposite directions, creating pockets of air or refrigerant that are compressed as they move towards the center.

  • Scroll compressors are commonly used in air conditioning and refrigeration systems.

  • They are also used i...read more

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Q113. What is vapour refrigeration cycle ?

Ans.

Vapour refrigeration cycle is a thermodynamic process used in refrigeration systems to transfer heat from a low-temperature source to a high-temperature sink.

  • It involves the use of a refrigerant that evaporates and condenses to absorb and release heat.

  • The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.

  • Examples of vapour refrigeration systems include air conditioning units, refrigerators, and heat pumps.

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Q114. What is difference between Sum and Sumx

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Q115. Q1) what is the difference between BJT and FET

Ans.

BJT is a current-controlled device while FET is a voltage-controlled device.

  • BJT stands for Bipolar Junction Transistor, while FET stands for Field-Effect Transistor.

  • BJT is made of two PN junctions, while FET is made of a channel and two PN junctions.

  • BJT has higher gain and input impedance compared to FET.

  • FET has faster switching speeds and lower noise compared to BJT.

  • Examples of BJT include NPN and PNP transistors, while examples of FET include JFET and MOSFET.

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Q116. What do you know about Johnson Controls

Ans.

Johnson Controls is a global diversified technology and multi-industrial leader.

  • Founded in 1885 and headquartered in Cork, Ireland

  • Provides products and services to optimize energy and operational efficiencies of buildings

  • Offers solutions for automotive batteries, electronics, and HVAC systems

  • Employs over 100,000 people worldwide

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Q117. What is account reconciliation?

Ans.

Account reconciliation is the process of comparing financial records to ensure they match and resolving any discrepancies.

  • Account reconciliation involves comparing two sets of records, such as bank statements and internal financial records, to ensure they match.

  • Any discrepancies found during the reconciliation process must be investigated and resolved.

  • Account reconciliation helps ensure the accuracy and integrity of financial data.

  • Examples of account reconciliation include re...read more

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Q118. What is your understanding of HVAC?

Ans.

HVAC stands for Heating, Ventilation, and Air Conditioning. It refers to the technology and systems used to control indoor environmental conditions.

  • HVAC is an acronym for Heating, Ventilation, and Air Conditioning.

  • It involves the technology and systems used to control indoor environmental conditions.

  • Heating refers to the process of raising the temperature of a space, usually using furnaces or boilers.

  • Ventilation involves the exchange of indoor and outdoor air to maintain air ...read more

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Q119. Control Sequences of AHU?

Ans.

AHU control sequences are used to regulate the operation of air handling units.

  • AHU control sequences can include temperature and humidity sensors to monitor the air being circulated.

  • The control sequences can also include variable frequency drives to adjust the speed of the fans in the AHU.

  • Other components of the control sequences may include dampers, heating and cooling coils, and filters.

  • The control sequences can be programmed to operate based on specific conditions, such as...read more

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Q120. Difference between c and java?

Ans.

C is a procedural programming language while Java is an object-oriented programming language.

  • C is a low-level language while Java is a high-level language.

  • C requires manual memory management while Java has automatic memory management.

  • C is platform-dependent while Java is platform-independent.

  • C supports pointers while Java does not.

  • C has a simpler syntax compared to Java.

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Q121. what is superheat and how much required

Ans.

Superheat is the temperature increase of a vapor above its saturation temperature. The amount required varies depending on the system.

  • Superheat is the temperature of a vapor above its boiling point at a given pressure

  • It is necessary to prevent liquid refrigerant from entering the compressor

  • The amount of superheat required depends on the type of refrigerant and the specific system

  • Typically, superheat values range from 5 to 20 degrees Fahrenheit

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Q122. Difference between Voice & Non Voice based FAS

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Q123. What do you know about BMS

Ans.

BMS stands for Building Management System, used to monitor and control building systems like HVAC, lighting, and security.

  • BMS helps optimize energy usage and improve building efficiency.

  • It can integrate various systems like HVAC, lighting, security, and fire alarms for centralized control.

  • BMS can provide real-time data and analytics for better decision-making in building management.

  • Examples of BMS vendors include Siemens, Johnson Controls, and Honeywell.

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Q124. What is PERT.? What is Crtical path?

Ans.

PERT is a project management tool used to analyze and represent the tasks involved in completing a project. Critical path is the longest path in a PERT diagram.

  • PERT stands for Program Evaluation and Review Technique

  • It is a method used to analyze and represent the tasks involved in completing a project

  • PERT diagrams show the sequence of tasks, their dependencies, and the estimated time required to complete each task

  • Critical path is the longest path in a PERT diagram and represe...read more

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Q125. Explained process from RFI to Delivery and payment

Ans.

RFI to Delivery and payment process involves vendor selection, negotiation, order placement, production, quality check, shipment, receipt, invoicing, and payment.

  • Vendor selection based on RFI responses and evaluation criteria

  • Negotiation of terms and pricing with selected vendor

  • Order placement with agreed terms and specifications

  • Production of goods by vendor according to order

  • Quality check of goods before shipment

  • Shipment of goods to buyer's location

  • Receipt of goods by buyer a...read more

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Q126. What is the process of order management?

Ans.

Order management is the process of receiving, processing, and fulfilling customer orders.

  • Receiving orders from customers through various channels such as online, phone, or email

  • Processing orders by verifying product availability, pricing, and customer information

  • Fulfilling orders by packaging products, arranging shipment, and updating customers on order status

  • Managing returns and exchanges, handling customer inquiries and resolving any issues

  • Utilizing order management softwar...read more

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Q127. What is the process of ptp?

Ans.

PTP stands for Procure-to-Pay, which is the process of obtaining and paying for goods and services from suppliers.

  • The process starts with the procurement team identifying the need for goods or services.

  • Once the need is identified, the team requests quotes or proposals from potential suppliers.

  • After selecting a supplier, a purchase order is created and sent to the supplier.

  • Upon receiving the goods or services, the supplier sends an invoice to the accounts payable team.

  • The acco...read more

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Q128. what is sub cooling in chiller

Ans.

Sub cooling in chiller refers to the process of cooling the refrigerant below its saturation temperature to increase the efficiency of the chiller system.

  • Sub cooling helps to ensure that the refrigerant remains in a liquid state throughout the chiller system.

  • It involves removing additional heat from the refrigerant after it has already been condensed.

  • Sub cooling can improve the overall performance and efficiency of the chiller by increasing the refrigerant's cooling capacity....read more

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Q129. reverse a linked list

Ans.

Reverse a linked list by changing the pointers direction

  • Iterate through the linked list and change the direction of pointers

  • Use three pointers - prev, current, next to reverse the list

  • Update the head pointer to point to the new first node

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Q130. Wha is purchase and sale JE?

Ans.

Purchase and sale JE refers to the journal entries made to record the purchase and sale of goods or services in a business.

  • Purchase JE records the purchase of goods or services, typically debiting an inventory account and crediting accounts payable.

  • Sale JE records the sale of goods or services, typically debiting accounts receivable and crediting sales revenue.

  • These journal entries are essential for accurately tracking the financial transactions of a business.

  • Example: Purchas...read more

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Q131. what is sub cool , super heat

Ans.

Subcool and superheat are terms used in refrigeration and air conditioning to describe the state of refrigerant in a system.

  • Subcool refers to the temperature of a liquid refrigerant that is below its boiling point.

  • Superheat refers to the temperature of a vapor refrigerant that is above its boiling point.

  • Subcooling and superheating are important for ensuring the proper functioning of a refrigeration or air conditioning system.

  • Subcooling helps to prevent liquid refrigerant from...read more

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Q132. What is bend radius ?

Ans.

Bend radius is the minimum radius a pipe, cable, or wire can be bent without damaging it.

  • It is important to consider bend radius when designing mechanical systems to prevent damage to components.

  • Bend radius is typically specified by the manufacturer of the material being bent.

  • If the bend radius is too small, it can cause the material to crack or break.

  • Examples of materials that have bend radius specifications include pipes, cables, and wires.

  • Bend radius can also affect the fl...read more

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Q133. What is sheet metal ?

Ans.

Sheet metal is a thin and flat metal that can be easily bent and cut into various shapes.

  • Sheet metal is commonly used in the manufacturing of various products such as automobile parts, household appliances, and HVAC systems.

  • It is typically made of materials such as steel, aluminum, or copper.

  • Sheet metal can be cut and shaped using various tools such as shears, punches, and lasers.

  • It is often used in construction for roofing, siding, and ductwork.

  • Sheet metal fabrication involv...read more

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Q134. tell me something about chillers

Ans.

Chillers are refrigeration systems that remove heat from a liquid via a vapor-compression or absorption cycle.

  • Chillers are commonly used in industrial settings to cool equipment, machinery, and processes.

  • They are also used in commercial buildings to cool air and maintain comfortable temperatures.

  • Chillers can be found in data centers to prevent overheating of servers and other electronic equipment.

  • In the food and beverage industry, chillers are used to cool products during pro...read more

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Q135. wht is cctv, acs, used model make etc

Ans.

CCTV and ACS are security systems used for surveillance and access control. They come in various models and makes.

  • CCTV stands for Closed Circuit Television and is used for video surveillance

  • ACS stands for Access Control System and is used for controlling access to a building or area

  • Both systems come in various models and makes from different manufacturers

  • Examples of CCTV models include dome cameras, bullet cameras, and PTZ cameras

  • Examples of ACS models include card readers, b...read more

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Q136. Tell us about OSI model

Ans.

OSI model is a conceptual model that defines how data is transmitted over a network.

  • OSI stands for Open Systems Interconnection.

  • It has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

  • Each layer has a specific function and communicates with adjacent layers.

  • Example: HTTP protocol works at the Application layer, while TCP protocol works at the Transport layer.

  • The model helps in understanding network communication and troubleshooting issu...read more

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Q137. What is the function of expenshon valve

Ans.

The expansion valve regulates the flow of refrigerant into the evaporator, controlling the cooling effect of the air conditioning system.

  • Regulates refrigerant flow into the evaporator

  • Controls cooling effect of AC system

  • Maintains proper pressure and temperature levels

  • Helps to improve energy efficiency

  • Examples: thermostatic expansion valve, electronic expansion valve

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Q138. Journal Entry about accruals depreciation

Ans.

Accruals depreciation journal entry involves recording the gradual decrease in value of assets over time.

  • Accruals depreciation is a non-cash expense that reflects the decrease in value of assets over time.

  • It is recorded as an adjusting entry in the general ledger to match expenses with revenues.

  • The journal entry typically involves debiting Depreciation Expense and crediting Accumulated Depreciation.

  • Accruals depreciation helps in spreading the cost of an asset over its useful ...read more

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Q139. Battery Sizing of Fire Alarm Panels.

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Q140. Brief about communication protocols

Ans.

Communication protocols are a set of rules that govern the exchange of data between devices or systems.

  • Protocols define the format, timing, sequencing, and error checking of data transmission.

  • Examples include TCP/IP, HTTP, FTP, SMTP, and Bluetooth.

  • Protocols can be classified as wired or wireless, serial or parallel, synchronous or asynchronous.

  • They are essential for ensuring interoperability and reliable communication between devices.

  • Different protocols are used for different...read more

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Q141. Definition of wet bulbs or wet bulb concepts

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Q142. What unit & formula for humidity

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Q143. Spacing of Detectors-- Smoke, Heat, Beam

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Q144. Placement of Hooters, Strobe and MCP

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Q145. What is HVAC operation

Ans.

HVAC operation refers to the functioning of heating, ventilation, and air conditioning systems in a building.

  • HVAC systems are responsible for regulating temperature, humidity, and air quality in a building.

  • Heating systems can include boilers, furnaces, and heat pumps.

  • Ventilation systems provide fresh air and remove stale air, and can include fans and ductwork.

  • Air conditioning systems cool and dehumidify the air, and can include central air conditioning units and window units....read more

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Q146. What is expectation from organization?

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Q147. What is temperature ,pressure?

Ans.

Temperature and pressure are physical properties that describe the state of a system.

  • Temperature is a measure of the average kinetic energy of particles in a system.

  • Pressure is the force exerted by a substance per unit area.

  • Temperature and pressure are often related in systems such as ideal gases (Boyle's Law, Charles's Law).

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Q148. 5 reasons for Intercompany Variances

Ans.

Intercompany variances can occur due to several reasons.

  • Differences in accounting policies and procedures

  • Currency exchange rate fluctuations

  • Inaccurate or delayed intercompany transactions

  • Transfer pricing discrepancies

  • Inconsistent intercompany eliminations

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Q149. What is operational Amplifier?

Ans.

An operational amplifier is a high-gain electronic voltage amplifier with differential inputs and a single output.

  • Operational amplifiers are commonly used in analog circuits for signal processing, filtering, and mathematical operations.

  • They have a very high input impedance and a very low output impedance.

  • Op-amps can be configured in various ways such as inverting amplifier, non-inverting amplifier, summing amplifier, integrator, differentiator, etc.

  • Popular op-amp models inclu...read more

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Q150. HVAC and BMS for control systems

Ans.

HVAC and BMS are essential for controlling heating, ventilation, and air conditioning systems in buildings.

  • HVAC stands for heating, ventilation, and air conditioning, and is responsible for controlling the temperature, humidity, and air quality in a building.

  • BMS stands for Building Management System, which is a computer-based control system that manages and monitors the building's mechanical and electrical equipment.

  • Integration of HVAC and BMS allows for centralized control a...read more

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Q151. How do you deligate work?

Ans.

I delegate work by assessing team members' strengths, setting clear expectations, providing necessary resources, and maintaining open communication.

  • Assess team members' strengths and weaknesses to assign tasks effectively

  • Set clear expectations and deadlines for each task

  • Provide necessary resources and support to ensure successful completion

  • Maintain open communication to address any issues or concerns

  • Regularly check in with team members to monitor progress and provide feedback...read more

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Q152. Golden rules of accounts and P2P cycle

Ans.

The golden rules of accounts and the P2P cycle are essential principles for effective financial management and procurement operations.

  • The golden rules of accounts refer to the fundamental principles of accounting that ensure accuracy and reliability of financial information.

  • The P2P (Procure-to-Pay) cycle is the process of acquiring goods or services, from the initial procurement request to the final payment.

  • Some golden rules of accounts include the principles of debit and cre...read more

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Q153. What is const and volatile

Ans.

const and volatile are keywords in C/C++ used to define constants and variables that can change unexpectedly.

  • const keyword is used to define constants that cannot be changed during program execution

  • volatile keyword is used to indicate that a variable may be changed unexpectedly, often by hardware or other threads

  • const volatile is used when a variable is both constant and volatile, meaning it cannot be changed and may be modified unexpectedly

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Q154. What is deferred revenue?

Ans.

Deferred revenue is income received by a company in advance of earning it, resulting in a liability on the balance sheet.

  • Deferred revenue represents a liability for the company until the goods or services are delivered.

  • It is common in subscription-based businesses where customers pay upfront for services to be rendered over time.

  • Once the revenue is earned, it is recognized on the income statement.

  • Examples include magazine subscriptions, software licenses, and prepaid maintena...read more

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Q155. Life cycle of Dot net core

Ans.

Dot net core follows a continuous release cycle with frequent updates and improvements.

  • Dot net core is an open-source framework developed by Microsoft.

  • It follows a continuous release cycle with frequent updates and improvements.

  • Each release includes new features, bug fixes, and performance improvements.

  • Dot net core supports cross-platform development and can be used to build web, desktop, and mobile applications.

  • The latest version of Dot net core is 3.1, released in December ...read more

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Q156. Air conditioning P-H chart

Ans.

The P-H chart is a graphical representation of the properties of refrigerants used in air conditioning systems.

  • The chart shows the relationship between pressure, enthalpy, and temperature of the refrigerant.

  • It helps in selecting the right refrigerant for a particular application.

  • It also helps in troubleshooting air conditioning systems.

  • The chart is used to determine the state of the refrigerant (saturated liquid, saturated vapor, superheated vapor, etc.)

  • The chart is also used...read more

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Q157. Intercompany vs intracompany difference

Ans.

Intercompany transactions occur between different entities within the same company, while intracompany transactions occur within the same entity.

  • Intercompany transactions involve multiple legal entities within the same corporate group.

  • Intracompany transactions occur within the same legal entity.

  • Intercompany transactions are eliminated during consolidation to avoid double counting.

  • Examples of intercompany transactions include intercompany loans, sales, and services.

  • Examples of...read more

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Q158. Setup architecture for new products

Ans.

Design a scalable and flexible architecture for new products.

  • Identify the requirements and constraints of the new products

  • Choose appropriate technologies and frameworks based on the requirements

  • Design modular components for easy scalability and maintenance

  • Implement microservices architecture for flexibility and resilience

  • Consider security and data privacy measures in the architecture

  • Utilize cloud services for scalability and cost-efficiency

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Q159. Selection of processor, operating system

Ans.

Selection of processor and operating system is crucial for software performance and compatibility.

  • Consider the requirements of the software in terms of processing power and memory

  • Choose a processor that can handle the workload efficiently

  • Select an operating system that is compatible with the software and provides necessary features

  • Consider factors like scalability, security, and ease of maintenance

  • Examples: Intel Core i7 processor with Windows 10 OS for a high-performance app...read more

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Q160. Result identified during the search

Ans.

I identified a 20% increase in customer retention after implementing a new loyalty program.

  • Implemented new loyalty program

  • Analyzed customer retention data before and after implementation

  • Observed a 20% increase in customer retention

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Q161. Laws related to patent invalidity

Ans.

Patent invalidity laws govern the circumstances under which a patent may be deemed invalid.

  • Patent invalidity can be established through prior art, lack of novelty, obviousness, or insufficient disclosure.

  • Challenges to patent validity can be raised in court or through administrative proceedings.

  • Invalidity can also be based on failure to meet statutory requirements or fraudulent procurement.

  • Courts may invalidate a patent if it is found to cover ineligible subject matter or if t...read more

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Q162. What is Ohms Law?

Ans.

Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across it, and inversely proportional to the resistance of the conductor.

  • Ohm's Law is represented by the formula V = I * R, where V is the voltage, I is the current, and R is the resistance.

  • It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.

  • For example, if a circuit has a voltage of 12 volts and a resistance of 4 ohms, t...read more

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Q163. Protection of Conveyors

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Q164. Working of Foam System

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Q165. Ok. Golden rules of Account?

Ans.

Golden rules of Account

  • Maintain accurate records

  • Separate personal and business finances

  • Reconcile accounts regularly

  • Monitor cash flow

  • Stay organized and up-to-date with tax laws

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Q166. What is transducer?

Ans.

A transducer is a device that converts one form of energy into another, such as converting mechanical movements into electrical signals.

  • Transducers are commonly used in sensors to convert physical quantities into electrical signals.

  • Examples include pressure transducers, temperature transducers, and position transducers.

  • Transducers can also be used in medical devices to convert biological signals into electrical signals for monitoring purposes.

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Q167. What is O2C cycle ?

Ans.

O2C cycle stands for Order to Cash cycle, which is the process of receiving and fulfilling customer orders.

  • Includes order processing, inventory management, invoicing, and receiving payment

  • Ensures timely delivery of products/services to customers

  • Helps in tracking sales, managing cash flow, and improving customer satisfaction

  • Example: Customer places an order -> Order is processed -> Product is shipped -> Invoice is sent -> Payment is received

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Q168. What FAS?

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Q169. What is the GRN

Ans.

GRN stands for Goods Receipt Note, a document used in inventory management to confirm the receipt of goods from a supplier.

  • GRN is a document used to confirm the receipt of goods from a supplier.

  • It includes details such as the quantity received, date of receipt, supplier information, and any discrepancies found.

  • GRN is an important part of the procurement process as it helps in verifying the accuracy of deliveries and managing inventory levels.

  • It is often used in conjunction wi...read more

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Q170. Contract account vs service accounting

Ans.

Contract account is used for billing and payment processing, while service accounting is used for tracking service usage and costs.

  • Contract account is used to manage billing and payment processes for customers or clients.

  • Service accounting is used to track service usage, costs, and profitability.

  • Contract account typically includes information such as billing address, payment terms, and contract details.

  • Service accounting may involve tracking service delivery, resource allocat...read more

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Q171. Safety interlock for AHU

Ans.

Safety interlock for AHU ensures safe operation by preventing access during operation.

  • Safety interlock can be implemented using door switches to prevent access when AHU is running

  • Emergency stop buttons can be installed to immediately shut down AHU in case of emergency

  • Interlocks can be connected to the control system to automatically stop AHU if safety conditions are not met

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Q172. What is a transistor

Ans.

A transistor is a semiconductor device used to amplify or switch electronic signals.

  • Transistors are fundamental building blocks of modern electronic devices.

  • They can amplify electrical signals, control the flow of current, and act as switches.

  • There are two main types of transistors: bipolar junction transistors (BJTs) and field-effect transistors (FETs).

  • Transistors are used in a wide range of applications, from computers and smartphones to medical equipment and automotive sys...read more

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Q173. Draw Wiring Diagrams?

Ans.

Wiring diagrams are visual representations of electrical circuits, showing how components are connected.

  • Start by identifying all components in the circuit

  • Draw a diagram showing the connections between components

  • Use standard symbols for components like resistors, capacitors, and wires

  • Label each component and connection for clarity

  • Include a legend if necessary to explain symbols used

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Q174. Security function in Azure

Ans.

Azure provides various security functions to protect data and resources.

  • Azure Security Center provides unified security management and advanced threat protection across hybrid cloud workloads.

  • Azure Active Directory provides identity and access management for Azure resources.

  • Azure Key Vault provides secure storage and management of cryptographic keys, certificates, and secrets.

  • Azure Firewall provides network security and protection against threats.

  • Azure DDoS Protection provide...read more

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Q175. Design pattern used in app

Ans.

The app uses the Model-View-Controller (MVC) design pattern.

  • MVC separates the app into three interconnected components: Model, View, and Controller.

  • Model represents the data and business logic, View displays the data to the user, and Controller handles user input and updates the Model and View.

  • MVC promotes separation of concerns and modularity, making the app easier to maintain and modify.

  • Other design patterns used in the app may include Singleton, Factory, Observer, etc.

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Q176. Design criteria and code

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Q177. NFPA-72 Guidelines

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Q178. How lenel is used

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Q179. Full form of DSO

Ans.

Days Sales Outstanding

  • DSO is a financial metric used to measure the average number of days a company takes to collect revenue after a sale.

  • It is calculated by dividing accounts receivable by total credit sales and multiplying by the number of days in the period.

  • A lower DSO indicates that a company is collecting payments more quickly, while a higher DSO may indicate potential cash flow issues.

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Q180. Public vs private company

Ans.

Public vs private companies differ in ownership, financial reporting requirements, and access to capital markets.

  • Public companies are owned by shareholders and have to disclose financial information to the public, while private companies are owned by individuals or small groups and have more privacy.

  • Public companies are subject to more regulations and oversight, such as SEC filings and shareholder meetings, while private companies have more flexibility in decision-making.

  • Publ...read more

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Q181. Payment process in oracle

Ans.

Oracle payment process involves creating invoices, applying payments, and generating reports.

  • Invoices are created using Oracle Receivables module

  • Payments are applied using Oracle Payments module

  • Reports can be generated using Oracle Financials module

  • Oracle Payments supports various payment methods such as credit card, electronic funds transfer, and checks

  • Oracle Payments also supports payment processing for multiple currencies and countries

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Q182. What is P2P cycle

Ans.

P2P cycle stands for Procure-to-Pay cycle, which is the process of obtaining and paying for goods and services.

  • P2P cycle starts with the requisition of goods or services by a department within a company.

  • The purchase order is then created and sent to the vendor for approval.

  • Upon receiving the goods or services, the invoice is generated and matched with the purchase order and receipt.

  • Finally, payment is made to the vendor for the goods or services provided.

  • Efficient P2P cycle h...read more

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Q183. WHAT IS ABC ANALYSIS

Ans.

ABC analysis is a method of categorizing items based on their importance.

  • ABC analysis categorizes items into three groups: A (most important), B (moderately important), and C (least important).

  • It helps in prioritizing resources and efforts based on the importance of items.

  • Example: A company may use ABC analysis to focus on managing inventory levels for high-value items in category A.

  • Example: In healthcare, ABC analysis can be used to prioritize patient treatment based on the ...read more

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Q184. Please refer comments below

Ans.

The question is unclear and requires clarification.

  • Can you please provide more context or rephrase the question?

  • I am not sure what you are asking. Can you please elaborate?

  • I am unable to answer the question without further information.

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Q185. Journal entry in PTP cycle

Ans.

A journal entry in the PTP (Procure-to-Pay) cycle is a record of financial transactions related to procurement operations.

  • Journal entries are used to record the purchase of goods or services, as well as any associated expenses or liabilities.

  • They provide a detailed account of the financial impact of procurement activities.

  • Examples of journal entries in the PTP cycle include recording the receipt of goods, recording the invoice received from a supplier, and recording the payme...read more

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Q186. Explain chiller cycle

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Q187. Types of mcb and functions

Ans.

MCB stands for Miniature Circuit Breaker. Types include single pole, double pole, triple pole, and four pole. Functions include overcurrent protection and short circuit protection.

  • Types of MCBs: single pole, double pole, triple pole, four pole

  • Functions: overcurrent protection, short circuit protection

  • Examples: Single pole MCB for individual circuits, four pole MCB for three-phase circuits

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Q188. STAR recruitement process

Ans.

STAR recruitment process is a structured method for interviewing candidates based on their Situation, Task, Action, and Result.

  • Situation - Describe a specific situation or challenge the candidate faced.

  • Task - Explain the task or goal the candidate needed to accomplish.

  • Action - Detail the actions the candidate took to address the situation or task.

  • Result - Summarize the outcome of the candidate's actions and the impact it had.

  • Example: Candidate was tasked with reducing employe...read more

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Q189. Po non po invoice difference

Ans.

PO non-PO invoice difference refers to the distinction between purchase order and non-purchase order invoices.

  • PO invoices are based on a purchase order issued by the buyer to the seller, while non-PO invoices are not linked to a specific purchase order.

  • PO invoices are typically pre-approved and have a set budget, while non-PO invoices may require additional approval processes.

  • PO invoices help track and manage expenses more efficiently, while non-PO invoices may lead to discre...read more

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Q190. explain RE framework

Ans.

RE Framework is a Robotic Enterprise Framework used in UiPath for building scalable and reusable automation projects.

  • It is a template for building automation projects in UiPath

  • It follows a modular approach with separate components for reusability

  • It includes components like Init, Process, End, and Exception Handling

  • It uses Config files for storing project settings and variables

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Q191. Tasks in 90 days

Ans.

In the first 90 days, I would focus on understanding the current software architecture, identifying any weaknesses, and creating a plan for improvement.

  • Analyze the existing software architecture to understand its strengths and weaknesses

  • Identify any potential areas for improvement or optimization

  • Create a roadmap for implementing changes and improvements

  • Collaborate with team members to prioritize tasks and allocate resources effectively

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Q192. Types of AHU & VAV

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Q193. Ahu system in hvac

Ans.

An Ahu system in HVAC refers to an Air Handling Unit which is a device used to regulate and circulate air as part of a heating, ventilation, and air conditioning system.

  • An Ahu system typically consists of a blower, heating or cooling elements, filter racks or chambers, dampers, and sound attenuators.

  • It is responsible for taking in outside air, conditioning it, and then distributing it throughout a building.

  • Ahu systems can vary in size and complexity depending on the specific ...read more

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