90+ Interview Questions and Answers

Refrigeration cycle involves four thermodynamic processes: compression, condensation, expansion, and evaporation.

• The refrigerant is compressed by a compressor, increasing its temperature and pressure.

• The high-pressure refrigerant then flows through a condenser, where it releases heat and condenses into a liquid.

• The liquid refrigerant then passes through an expansion valve, where it undergoes a pressure drop and becomes a low-pressure liquid.

• The low-pressure liquid refrigerant...read more

My total Sales Target is 50 Lakhs with 100 ODU. I handle products like electronics, home appliances, and furniture.

• Total Sales Target: 50 Lakhs

• Number of ODU: 100

• Products handled: electronics, home appliances, furniture

Yes, I am aware of how to do heat load and BOQ preparation.

• For heat load calculation, I consider factors like building size, insulation, number of occupants, and equipment usage.

• For BOQ preparation, I consider materials needed, quantities required, labor costs, and any additional expenses.

• I also take into account any special requirements or specifications provided by the client or project manager.

• Examples: For heat load, I use software like Carrier HAP to calculate cooling lo...read more

I have handled territories in the Midwest region, major dealers include ABC Company and XYZ Inc., and have contributed to a 20% increase in business.

• Handled territories in the Midwest region

• Major dealers include ABC Company and XYZ Inc.

• Contributed to a 20% increase in business

My in hand salary is the amount I receive after deductions. The fixed component of my CTC is the guaranteed portion of my salary, while the variable component depends on performance.

• In hand salary is the amount received after deductions such as taxes and other withholdings.

• Fixed component of CTC is the guaranteed portion of salary, such as base salary.

• Variable component of CTC is the portion that can vary based on performance, bonuses, incentives, etc.

I have 8 years of experience in HVAC sales.

• 8 years of experience in HVAC sales

• Managed a team of sales representatives

• Successfully increased sales by 20% in the last year

Air conditioning and refrigeration systems work on the principle of heat transfer and phase change of refrigerant.

• Air conditioning system cools and dehumidifies air in a room or building.

• Refrigeration system removes heat from a space and transfers it to the outside environment.

• Both systems use a refrigerant to absorb and release heat through phase change.

• Air conditioning system uses a compressor, evaporator, condenser, and expansion valve to circulate refrigerant.

• Refrigeratio...read more

The functions of parts of an Air Conditioner include cooling, dehumidifying, filtering, and circulating air.

• Compressor: compresses and circulates refrigerant to cool the air

• Condenser: releases heat from the refrigerant to the outside air

• Evaporator: absorbs heat from the air and cools it down

• Expansion valve: regulates the flow of refrigerant into the evaporator

• Fan: circulates the air over the evaporator and condenser coils

• Filter: removes dust, pollen, and other particles from ...read more

There are two types of projection in technical drawings: orthographic and isometric.

• Orthographic projection shows the object as it appears from different directions.

• Isometric projection shows the object in a 3D view with equal angles between the axes.

• Orthographic projection is commonly used in engineering drawings.

• Isometric projection is commonly used in architectural and product design drawings.

The indoor unit and outdoor unit coils are typically made of metals such as copper, aluminum, or a combination of both.

• Common metals used in coils are copper and aluminum

• Some coils may be made of a combination of copper and aluminum for better heat transfer

• Other metals like steel may also be used in some cases

The copper pipe between indoor and outdoor units is covered by foam and white roll for insulation and protection against external elements.

• The foam provides insulation to prevent heat loss or gain during the refrigerant transfer process

• The white roll acts as a protective layer to shield the copper pipe from external damage such as UV rays, moisture, and physical impact

• The insulation and protection help maintain the efficiency and longevity of the HVAC system

Using two adjustable spanners to tighten a flare nut in a union can lead to it loosening due to uneven pressure distribution.

• Using two adjustable spanners can result in uneven pressure being applied to the flare nut

• This can cause the flare nut to become loose over time

• It is recommended to use a proper flare nut wrench for tightening flare nuts in unions

A scroll chiller uses a different type of compressor than a regular chiller.

• Scroll compressors have fewer moving parts than reciprocating compressors

• Scroll compressors are quieter and more efficient than reciprocating compressors

• Scroll chillers are typically used for smaller applications, while regular chillers are used for larger applications

The AC may be cut off due to various reasons such as power outage, malfunctioning components, or scheduled maintenance.

• Power outage: AC will be cut off if there is a power outage in the building.

• Malfunctioning components: If any part of the AC system malfunctions, it may be cut off to prevent further damage.

• Scheduled maintenance: AC may be cut off temporarily for routine maintenance to ensure optimal performance.

Kaizen is a Japanese term meaning continuous improvement. 7QC Tools are a set of quality control tools. GD&T stands for Geometric Dimensioning and Tolerancing. Tolerance refers to the allowable variation in a dimension. The symbol of concentricity is a circle within a circle.

• Kaizen is a philosophy of continuous improvement in all aspects of life and work.

• 7QC Tools are a set of problem-solving tools used in quality control.

• GD&T is a system for defining and communicating engine...read more

Evaporator is a heat exchanger that converts liquid into vapor by absorbing heat from the surroundings.

• Evaporator is a key component in refrigeration and air conditioning systems.

• It operates at low temperatures to absorb heat from the surroundings and convert liquid refrigerant into vapor.

• The temperature of the evaporator is typically lower than the surrounding environment to facilitate heat transfer.

• The heat absorbed by the evaporator causes the liquid refrigerant to evapora...read more

Condenser, compressor, and evaporator are key components in a refrigeration system.

• Condenser: Converts refrigerant gas into liquid by releasing heat to the surroundings.

• Compressor: Increases the pressure and temperature of the refrigerant gas.

• Evaporator: Absorbs heat from the surroundings to evaporate the refrigerant into a gas.

• Example: In an air conditioning unit, the condenser is located outside to release heat, the compressor increases the pressure of the refrigerant, and ...read more

A noise filter circuit is used to remove unwanted noise from a signal.

• It is a type of electronic filter that attenuates or removes noise from a signal

• It can be implemented using passive components like resistors, capacitors, and inductors

• Active components like operational amplifiers can also be used to design noise filter circuits

• Examples include low-pass filters, high-pass filters, band-pass filters, and notch filters

The tools used in One AC installation include screwdrivers, pliers, wire strippers, and a multimeter.

• Screwdrivers are used to tighten or loosen screws during installation.

• Pliers are used for gripping and bending wires or components.

• Wire strippers are used to remove insulation from wires.

• A multimeter is used to measure voltage, current, and resistance in the AC system.

Safety is the practice of preventing accidents, injuries, and other potential hazards in the workplace.

• Always wear appropriate personal protective equipment (PPE)

• Follow safety protocols and procedures

• Keep work areas clean and organized

• Report any unsafe conditions or incidents to supervisors

• Attend safety training sessions regularly

Vapour Compression Refrigeration System is a common refrigeration system used in air conditioning and refrigeration applications.

• It works by compressing refrigerant vapor to increase its temperature and pressure.

• The high-pressure vapor then condenses into a liquid, releasing heat.

• The liquid refrigerant then passes through an expansion valve, where it evaporates and cools the surrounding area.

• The low-pressure vapor is then drawn back into the compressor to start the cycle agai...read more

Color coding is a system of using colors to convey information or identify objects, wires, or components.

• Color coding is widely used in various industries such as electrical, electronics, telecommunications, and automotive.

• It helps in quickly identifying and distinguishing between different objects or components.

• Color coding can be used to indicate the value or type of a component, the function of a wire, or the status of a device.

• For example, in electrical wiring, the color ...read more

My expected CTC is negotiable based on the responsibilities and benefits offered for the Assistant Manager position.

• My expected CTC is based on industry standards and my level of experience.

• I am open to discussing the salary range during the interview process.

• I am looking for a competitive salary package that reflects my skills and contributions to the role.

Computer Numerical Control

• Computer Numerical Control is a manufacturing process where pre-programmed computer software dictates the movement of factory tools and machinery.

• CNC machines are used in various industries such as automotive, aerospace, and electronics for precision machining.

• Examples of CNC machines include milling machines, lathes, and laser cutters.

The letters on a keyboard are placed in a specific layout called QWERTY, which was designed to prevent typewriter jams.

• The QWERTY layout was developed by Christopher Sholes in 1873 for typewriters.

• The layout was designed to separate commonly used letters to reduce the likelihood of jamming.

• The arrangement of letters was based on the frequency of their use in the English language.

• The QWERTY layout became popular and was adopted for computer keyboards as well.

Copper is commonly used in the coil section of HVAC equipment due to its high thermal conductivity and corrosion resistance.

• Copper is preferred for its excellent heat transfer properties

• Copper is resistant to corrosion, ensuring longevity of the coil section

• Aluminum is also used in some cases for its lightweight nature and cost-effectiveness

AC works by transferring heat from inside a building to outside, using a refrigeration cycle.

• AC units contain a refrigerant that absorbs heat from indoor air and releases it outside.

• The refrigerant evaporates at low pressure and temperature, absorbing heat in the process.

• The refrigerant is then compressed, raising its temperature and pressure, before releasing the heat outside.

• The cycle continues to maintain a comfortable indoor temperature.

• Examples of AC systems include wind...read more

Vaccuuming the AC indoor helps remove dust, dirt, and debris that can accumulate and block airflow, leading to inefficient cooling and potential damage to the system.

• Vaccuuming helps improve the efficiency of the AC system by ensuring proper airflow.

• It helps prevent blockages caused by dust and debris, which can lead to overheating and system malfunctions.

• Regular vaccuuming can prolong the lifespan of the AC unit and reduce the need for costly repairs.

• It also helps maintain i...read more

An air conditioner is a device that cools and dehumidifies the air in a room or building.

• Air conditioners work by removing heat and moisture from the air.

• They use a refrigeration cycle to cool the air.

• Air conditioners can be used for both residential and commercial purposes.

• They come in different types such as window units, split systems, and central air conditioning systems.

• Air conditioners improve indoor air quality by filtering out pollutants and allergens.

• They can also pr...read more

The Modi government's impact on the air conditioner industry is expected to be positive due to initiatives promoting energy efficiency and domestic manufacturing.

• Implementation of energy efficiency standards to promote eco-friendly ACs

• Incentives for domestic manufacturing to reduce dependence on imports

• Focus on promoting sustainable cooling solutions in line with global climate goals

We educate customers on the environmental impact of air conditioners and provide guidance on sustainable alternatives.

• Explain the energy consumption of air conditioners and their contribution to greenhouse gas emissions

• Discuss the importance of energy-efficient models and proper maintenance to reduce environmental impact

• Recommend alternative cooling solutions such as fans, natural ventilation, or energy-efficient HVAC systems

• Provide information on government incentives for ec...read more

A type of gear is a mechanical device that transmits power or motion from one part of a machine to another.

• Gears can be classified into different types such as spur gears, helical gears, bevel gears, and worm gears.

• They are commonly used in machinery, vehicles, and various mechanical systems to transfer motion and power efficiently.

• Gears can change the speed, torque, and direction of rotation in a system.

• Examples of gears include the gears in a car transmission, bicycle gears...read more

Current is the flow of electric charge in a circuit.

• Current is measured in Amperes (A)

• It is the rate of flow of electric charge through a conductor

• There are two types of current - AC (alternating current) and DC (direct current)

• Example: A light bulb connected to a battery has current flowing through it

Voltage is the difference in electric potential between two points in a circuit, measured in volts.

• Voltage is the driving force that pushes electric current through a circuit

• It is measured in volts (V)

• Voltage can be positive or negative, depending on the direction of current flow

• Higher voltage means more energy available to push current through a circuit

• Examples: A battery provides voltage to power a flashlight, a wall outlet provides voltage to power electronic devices

Resistance is the opposition to the flow of electric current in a circuit.

• Resistance is measured in ohms (Ω).

• It is caused by the collisions of electrons with atoms in a material.

• Higher resistance means lower current flow.

• Examples of materials with high resistance include rubber and glass.

• Examples of materials with low resistance include copper and silver.

Machine output capacity and manpower handling are crucial for efficient operations.

• The machine output capacity should be regularly monitored and optimized to ensure maximum efficiency.

• Manpower should be trained and managed effectively to ensure smooth operations.

• Regular maintenance and upgrades of machines can improve output capacity and reduce the need for additional manpower.

• Automation and technology can also be utilized to increase output capacity and reduce the need for m...read more

There are two main types of gears: spur gears and helical gears.

• Spur gears have straight teeth and are the most common type of gear.

• Helical gears have angled teeth for smoother operation and less noise.

• Other types of gears include bevel gears, worm gears, rack and pinion gears, etc.

There are two main types of breaks: open (compound) and closed (simple) breaks.

• Open (compound) breaks: the bone breaks through the skin, increasing the risk of infection.

• Closed (simple) breaks: the bone breaks but does not penetrate the skin.

• Other types include greenstick fractures, comminuted fractures, and hairline fractures.

Heat load calculation is done by determining the amount of heat energy required to maintain a desired temperature in a given space.

• Determine the size of the space in square feet

• Determine the desired temperature for the space

• Determine the insulation value of the walls, ceiling, and floor

• Determine the number of windows and doors and their insulation value

• Calculate the heat loss through the walls, ceiling, floor, windows, and doors

• Add the heat loss values to determine the total ...read more

The liquid in use in a battery is typically an electrolyte solution.

• The most common liquid used in batteries is sulfuric acid.

• Other types of batteries may use different electrolyte solutions, such as lithium-ion batteries using lithium salts in organic solvents.

• The electrolyte solution allows for the flow of ions between the battery's electrodes, facilitating the chemical reactions that generate electrical energy.

The gases in an AC unit typically include refrigerant gases such as R-410A or R-22.

• Refrigerant gases are used in AC units to absorb and release heat in order to cool the air.

• Common refrigerant gases used in AC units include R-410A (Puron) and R-22 (Freon).

• These gases circulate through the AC system in a continuous cycle to facilitate the cooling process.

Types of AC include window AC, split AC, central AC, portable AC, and ductless mini-split AC.

• Window AC: typically installed in a window and cools a single room

• Split AC: consists of two units - one indoor and one outdoor - connected by refrigerant lines

• Central AC: cools the entire house through a system of ducts

• Portable AC: can be moved from room to room and does not require installation

• Ductless Mini-Split AC: similar to split AC but does not require ductwork

Coils are often used in gas leaks to detect the presence of gas due to their sensitivity to changes in electrical resistance.

• Coils are commonly used in gas leak detectors because they can detect changes in electrical resistance caused by the presence of gas

• The coil is typically part of a sensor that is designed to trigger an alarm or signal when a gas leak is detected

• The coil may be connected to a circuit that measures the resistance and triggers an alert if it falls below a ...read more

A flywheel in an engine is a rotating mechanical device used to store rotational energy.

• Flywheels help to maintain a constant speed of the engine by storing energy during the power stroke and releasing it during the non-power strokes.

• They also reduce vibrations and provide smoother operation of the engine.

• In vehicles, flywheels are commonly used in manual transmissions to assist in smooth gear changes.

• Flywheels are typically made of steel or cast iron and are attached to the ...read more

There are various types of laws, including criminal law, civil law, administrative law, and international law.

• Criminal law: deals with crimes and punishments

• Civil law: deals with disputes between individuals or organizations

• Administrative law: governs the activities of government agencies

• International law: governs relations between countries

Air conditioning systems work by removing heat from indoor air and transferring it outside, cooling the air in the process.

• Air conditioning systems use refrigerant to absorb and release heat, allowing for the transfer of heat from inside to outside.

• The refrigerant circulates through a closed loop system of coils, compressors, and fans to cool and dehumidify the air.

• The cooled air is then distributed throughout the building via ductwork or vents.

• Examples of air conditioning sy...read more

Channel management involves managing relationships with intermediaries to ensure effective distribution of products/services.

• Identifying and selecting appropriate channel partners

• Training and motivating channel partners

• Managing inventory and logistics

• Establishing pricing and policies

• Monitoring and evaluating channel performance

• Examples: wholesalers, retailers, agents, distributors, franchisees

Plasma welding uses a high-temperature ionized gas to melt and join metals together.

• Plasma welding involves creating an electrical arc between the workpiece and the electrode, ionizing the gas to form plasma.

• The high temperature of the plasma melts the metals being welded together.

• Plasma welding is commonly used for precision welding of thin materials or in applications where a high level of control is needed.

• Examples of industries using plasma welding include aerospace, auto...read more

Brazing welding is a joining process where a filler metal is melted and distributed between two or more close-fitting parts by capillary action.

• Brazing involves heating the base metals to a temperature above 450°C but below their melting point.

• The filler metal, usually in the form of a wire or preformed shape, is then melted and flows into the joint by capillary action.

• The filler metal must wet the base metals and form a strong bond upon solidification.

• Common brazing methods ...read more

Replace the condensing fan motor with a new one to fix the issue.

• Disconnect power to the unit before starting any work.

• Remove the old condensing fan motor by unscrewing it from the unit.

• Install the new condensing fan motor by securely screwing it in place.

• Reconnect power and test the unit to ensure the fan motor is working properly.

COP of a chiller stands for Coefficient of Performance, which is a measure of the efficiency of a chiller system.

• COP is calculated as the ratio of cooling output to the energy input required to produce that cooling output.

• A higher COP value indicates a more efficient chiller system.

• COP can be calculated using the formula: COP = Cooling Output / Energy Input.

• For example, if a chiller has a COP of 4, it means that for every unit of energy input, the chiller produces 4 units of ...read more

Refrigerant pressures of R134a vary depending on temperature. Commissioning process involves testing, adjusting, and verifying equipment before it is put into service.

• Refrigerant pressures of R134a range from 22 psi at -20°F to 175 psi at 130°F.

• Commissioning process includes testing all components, adjusting settings, and verifying proper operation.

• Examples of commissioning tasks include checking refrigerant levels, calibrating sensors, and ensuring proper airflow.

• Proper comm...read more

Designing an air conditioning system for a large space requires careful consideration of factors such as size, layout, insulation, and ventilation.

• Calculate the cooling load based on the size of the space, number of occupants, and equipment used

• Choose the appropriate type of air conditioning system, such as central or split system

• Ensure proper insulation and ventilation to prevent energy loss and maintain air quality

• Consider the layout of the space and the placement of vents ...read more

A Vapor Compression Cycle is a thermodynamic cycle used in refrigeration and air conditioning systems.

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

• The refrigerant enters the compressor as a low-pressure gas and leaves as a high-pressure, high-temperature gas.

• The high-pressure gas then flows into the condenser where it releases heat and condenses into a high-pressure liquid.

• The liquid refrigerant passes through the expansio...read more

The refrigerator cycle is a thermodynamic cycle that allows a refrigerator to remove heat from a low-temperature reservoir and transfer it to a high-temperature reservoir.

• The cycle typically consists of four processes: compression, condensation, expansion, and evaporation.

• During compression, the refrigerant gas is compressed, which increases its temperature and pressure.

• In the condensation process, the hot refrigerant gas releases heat to the surroundings and condenses into a...read more

The laws of thermodynamics describe how energy behaves in a system.

• First law: Energy cannot be created or destroyed, only transferred or converted.

• Second law: Entropy in a closed system will always increase over time.

• Third law: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.

• Examples: A car engine converting fuel into motion (1st law), a cup of hot coffee cooling down (2nd law), absolute zero temperature (3rd law).

FCU stands for Fan Coil Unit. There are two types of FCU - Horizontal and Vertical.

• Horizontal FCU: mounted on the ceiling or floor, air is discharged horizontally

• Vertical FCU: mounted on the wall, air is discharged vertically

• Other types include cassette FCU, concealed FCU, and floor-standing FCU

• FCUs are used for heating, cooling, and ventilation in buildings

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Transformers are used to increase or decrease the voltage in electrical power applications.

• They consist of two coils of wire, known as the primary and secondary windings, wrapped around a core made of ferromagnetic material.

• Examples of transformers include power transformers used in electrical substations and distribution transformers used in h...read more

Handle customers with patience, empathy, and effective communication.

• Listen actively to understand their needs and concerns.

• Remain calm and composed, even in challenging situations.

• Offer solutions or alternatives to resolve issues.

• Provide excellent customer service to build loyalty and trust.

• Follow up to ensure customer satisfaction.

• Example: Apologize for any inconvenience caused and offer a discount or refund if necessary.

Ohm's law formula states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to its resistance.

• Ohm's law formula: V = I * R

• V represents voltage in volts, I represents current in amperes, and R represents resistance in ohms

• The formula can be rearranged to find current (I = V / R) or resistance (R = V / I)

• Ohm's law is commonly used in electrical engineering to calculate the relationship between voltage, curre...read more

Various types of products available in the market include consumer goods, electronics, clothing, food and beverages, and personal care items.

• Consumer goods (e.g. household items, appliances)

• Electronics (e.g. smartphones, laptops)

• Clothing (e.g. shirts, dresses)

• Food and beverages (e.g. snacks, drinks)

• Personal care items (e.g. skincare products, toiletries)

Line balancing is the process of assigning tasks to workstations in a way that evens out the workload and maximizes efficiency.

• Involves distributing work evenly among workstations

• Minimizes idle time and bottlenecks

• Helps improve productivity and reduce production costs

• Example: In an assembly line, tasks like welding, painting, and assembly are balanced to ensure smooth flow

Building a strong distribution network requires identifying potential partners, establishing clear communication channels, and providing incentives for performance.

• Identify potential partners based on their reach, reputation, and ability to meet demand.

• Establish clear communication channels to ensure timely delivery and feedback.

• Provide incentives for performance, such as bonuses or exclusive access to new products.

• Regularly evaluate and adjust the network to ensure optimal p...read more

A VRF (Variable Refrigerant Flow) system uses refrigerant to heat or cool multiple zones simultaneously by varying the flow rate.

• VRF systems use a single outdoor unit connected to multiple indoor units.

• Refrigerant flow is controlled by inverters to match the heating or cooling demand of each zone.

• Each indoor unit can operate independently, allowing for individual temperature control in different areas.

• VRF systems are energy efficient and offer precise temperature control.

• Exam...read more

The installation system is a method or process used to set up and configure software or hardware on a computer or device.

• It involves following specific steps or instructions to properly install the software or hardware.

• Some installation systems may require the user to input certain information or make selections during the process.

• Examples include Windows Installer, Linux package managers like apt or yum, and installation wizards for software applications.

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 voltage, I is current, and R is resistance.

• It helps in calculating the current, voltage, or resistance in a circuit when the other two values are known.

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

Time study is a method used to determine the time required to perform a specific task or activity.

• Time study involves observing and timing each step of a process to calculate the total time needed.

• It helps in identifying inefficiencies, improving productivity, and setting realistic production goals.

• Time study can be conducted using various techniques such as direct observation, work sampling, or predetermined motion time systems.

• For example, in assembly engineering, time stud...read more

My KPI as an Assembly Engineer is to ensure efficient assembly processes, high-quality output, and meeting production targets.

• Ensuring efficient assembly processes by optimizing workflow and minimizing downtime

• Maintaining high-quality output by implementing quality control measures and conducting regular inspections

• Meeting production targets by monitoring productivity, identifying bottlenecks, and implementing improvements

• Collaborating with cross-functional teams to resolve a...read more

The full repair breakdown rms refers to the detailed analysis of the repair process in a production environment.

• The full repair breakdown includes a step-by-step breakdown of the repair process.

• It provides information on the time taken for each step, the resources used, and any issues encountered.

• The breakdown helps identify bottlenecks, inefficiencies, and areas for improvement in the repair process.

• Examples of data captured in the breakdown include repair time, labor costs,...read more

Types of muda in production engineering include overproduction, waiting, transportation, processing, inventory, motion, and defects.

• Overproduction: Producing more than needed, leading to waste of resources.

• Waiting: Delays in production due to inefficient processes or lack of coordination.

• Transportation: Unnecessary movement of materials or products, increasing lead time.

• Processing: Unnecessary steps or complex processes that do not add value.

• Inventory: Excess inventory leadin...read more

HVAC works by controlling the temperature, humidity, and air quality in a building through heating, ventilation, and air conditioning systems.

• HVAC systems use a combination of heating, cooling, and ventilation to maintain a comfortable indoor environment.

• Heating is typically provided by a furnace or boiler, while cooling is achieved through air conditioning units or heat pumps.

• Ventilation involves the exchange of indoor and outdoor air to improve air quality and remove pollut...read more

Saturation point is the point at which a substance can no longer absorb or dissolve any more of another substance.

• Saturation point is reached when a solution can no longer dissolve any more solute.

• In chemistry, it refers to the point at which a solution is holding the maximum amount of solute that can be dissolved at a given temperature and pressure.

• For example, if you keep adding sugar to a cup of water and stirring it, eventually the water will reach its saturation point an...read more

AWS services are cloud computing services provided by Amazon Web Services.

• Compute services (e.g. EC2, Lambda)

• Storage services (e.g. S3, EBS)

• Database services (e.g. RDS, DynamoDB)

• Networking services (e.g. VPC, Route 53)

• Machine learning services (e.g. SageMaker)

• Analytics services (e.g. Redshift, Athena)

Daikin may elaborate on a topic to provide more detailed information or explanation.

• To provide a better understanding of a complex concept or product

• To address potential questions or concerns from customers

• To showcase the company's expertise and knowledge in the industry

Gas change refers to the process of altering the composition of gases in a specific environment.

• Gas change can occur through processes such as diffusion, ventilation, and respiration.

• Examples include the exchange of oxygen and carbon dioxide in the lungs during breathing.

• Gas change is essential for maintaining proper gas levels in the body and the environment.

Accounts payable is the amount of money a company owes to its suppliers or vendors for goods or services purchased on credit.

• Accounts payable is a liability on the balance sheet.

• It represents the amount of money a company owes for goods or services received but not yet paid for.

• Accounts payable is typically recorded when an invoice is received from a supplier.

• It is an important aspect of managing a company's cash flow and working capital.

• Examples of accounts payable include b...read more

To capitalise a plant, you can allocate costs associated with acquiring, constructing, or improving the plant as assets on the balance sheet.

• Determine the cost of the plant, including purchase price, installation costs, and any other costs directly related to getting the plant ready for use.

• Record the plant as a fixed asset on the balance sheet, categorising it appropriately based on its useful life and depreciation method.

• Regularly review and update the value of the plant to...read more

The market size of air conditioners is large and growing.

• The global air conditioner market is expected to reach $292.3 billion by 2026.

• The Asia-Pacific region is the largest market for air conditioners, with China being the biggest consumer.

• The residential sector is the largest end-user of air conditioners.

• The demand for energy-efficient air conditioners is increasing due to rising energy costs and environmental concerns.

Heat exchangers are devices used to transfer heat between two or more fluids.

• Heat exchangers come in various types such as shell and tube, plate and frame, and spiral

• They are used in various industries such as HVAC, chemical, and power generation

• Heat exchangers can be distinguished based on their design, material, and application

DynamoDB is a fully managed NoSQL database service provided by AWS.

• Fully managed NoSQL database service

• Scalable and high-performance

• Supports key-value and document data models

• Automatically replicates data across multiple Availability Zones for high availability

We use a variety of materials in mechanical design.

• Metals such as steel, aluminum, and titanium

• Plastics such as ABS, polycarbonate, and nylon

• Composites such as carbon fiber and fiberglass

• Ceramics and glass

• Natural materials such as wood and leather

• Fluids such as hydraulic and pneumatic fluids

• Adhesives and coatings

• Additive manufacturing materials such as PLA and ABS filaments

B2B sales refer to business-to-business transactions where one business sells products or services to another business.

• B2B sales involve selling products or services to other businesses rather than individual consumers.

• The sales process is typically longer and more complex than B2C sales.

• Relationship-building and networking are important in B2B sales.

• Examples of B2B sales include selling software to a company, providing consulting services to a business, or selling raw materi...read more

Fixed assets are long-term tangible assets that are used in the production of goods or services and are not intended for sale.

• Fixed assets are physical assets like buildings, machinery, vehicles, and equipment.

• They are used by a company for more than one accounting period.

• Fixed assets are not intended for sale in the normal course of business.

• They are recorded on the balance sheet at their original cost minus accumulated depreciation.

• Examples of fixed assets include land, bui...read more

The working AC is efficient and provides a comfortable environment for customers.

• The AC system is regularly maintained to ensure optimal performance.

• Temperature settings are adjusted based on customer preferences.

• Proper ventilation is maintained to evenly distribute cool air throughout the space.

Different types of filters are used in air systems to remove contaminants and improve air quality.

• There are various types of filters such as HEPA filters, activated carbon filters, and electrostatic filters.

• HEPA filters are highly efficient at removing particles as small as 0.3 microns.

• Activated carbon filters are effective at removing odors and gases.

• Electrostatic filters use an electric charge to attract and trap particles.

• Filters should be regularly replaced or cleaned to ...read more

HLD stands for High-Level Design.

• HLD is a phase in the software development life cycle where the overall system architecture and design are defined.

• It focuses on the system's structure, modules, interfaces, and their interactions.

• HLD provides a high-level view of the system and helps in understanding the system's functionality and components.

• It is usually represented using diagrams like block diagrams, flowcharts, or UML diagrams.

• Example: In HLD, the architecture of a web app...read more

DG efficiency calculation involves determining the ratio of output power to input power.

• DG efficiency = (Output Power / Input Power) * 100%

• Output power can be measured in kW or HP

• Input power can be measured in kW or kVA

• Efficiency is usually expressed as a percentage

Total Predictive Maintenance is a proactive maintenance strategy that uses data analysis to predict when equipment failure is likely to occur.

• Involves monitoring equipment conditions in real-time

• Uses data analysis to predict potential failures

• Helps in scheduling maintenance before breakdowns occur

• Reduces downtime and maintenance costs

• Examples: vibration analysis, oil analysis, thermography

Tollresn is not a recognized term in the field of electrician work.

• Tollresn does not appear to be a relevant term in the context of electrician work.

• It is possible that the interviewer may have misspoken or meant to ask a different question.

• If unsure, it is best to ask for clarification or further information.

Move all zeros in an array of strings to the end while maintaining the order of non-zero elements.

• Iterate through the array and move all zeros to the end while keeping the order of non-zero elements.

• Use two pointers approach to swap elements in-place.

• Example: Input: ['a', 'b', 'c', '0', 'd', '0'], Output: ['a', 'b', 'c', 'd', '0', '0']