100+ Technical Engineer Interview Questions and Answers

SQL is a structured query language used for managing and manipulating relational databases.

• SQL stands for Structured Query Language.

• It is used to communicate with and manipulate databases.

• SQL can be used to retrieve data, update data, insert data, and delete data from databases.

• Common SQL commands include SELECT, INSERT, UPDATE, and DELETE.

• Example: SELECT * FROM customers WHERE country = 'USA';

Diesel engines use compression ignition while petrol engines use spark ignition.

• Diesel engines use compression ignition, where fuel is ignited by the heat of compressed air, while petrol engines use spark ignition, where fuel is ignited by a spark from a spark plug.

• Diesel engines are more fuel efficient than petrol engines due to higher compression ratios.

• Petrol engines generally have higher power outputs and higher RPM limits compared to diesel engines.

• Diesel engines produce...read more

IC engine and EC engine are different types of engines used in vehicles.

• IC engine stands for Internal Combustion engine, while EC engine stands for External Combustion engine.

• IC engine works by burning fuel inside the engine, while EC engine works by burning fuel outside the engine.

• IC engine is commonly used in most vehicles, such as cars, motorcycles, and trucks.

• EC engine is less common and is typically used in specialized applications, such as steam locomotives and some pow...read more

A center tap transformer is a type of transformer that has a tap in the center of its secondary winding.

• It has three terminals: two outer terminals and one center tap terminal.

• The center tap is connected to the ground or a reference voltage.

• It is commonly used in power supplies and audio amplifiers.

• The center tap allows for the creation of a split power supply or the generation of a balanced output signal.

• Example: A center tap transformer with a secondary winding of 12-0-12 v...read more

My name is [Your Name] and I am a Technical Engineer with [Number of Years] years of experience in [Field of Expertise].

• Name: [Your Name]

• Years of experience: [Number of Years]

• Field of expertise: [Field of Expertise]

As a Technical Engineer, I work on-site with customers to troubleshoot technical issues and provide solutions.

• Performing installations and upgrades of software and hardware

• Conducting system testing and debugging

• Providing technical support and training to customers

• Collaborating with other engineers and departments to resolve complex issues

• Documenting and reporting on technical issues and solutions

PAC is used in server rooms for temperature and humidity control.

• PAC stands for Precision Air Conditioning.

• It helps maintain a stable environment for servers and other equipment.

• PAC units have advanced sensors and controls to regulate temperature and humidity.

• Without PAC, server rooms can experience overheating and equipment failure.

• Examples of PAC brands include Liebert, APC, and Mitsubishi Electric.

Yes, CRM deployment can be done using DevOps.

• DevOps can automate the deployment process of CRM systems

• Continuous integration and continuous deployment can be used for CRM deployment

• DevOps tools like Jenkins, Ansible, and Puppet can be used for CRM deployment

• DevOps can ensure faster and more efficient deployment of CRM systems

The basic equation of a transformer is V1/V2 = N1/N2.

• The equation relates the voltage ratio to the turns ratio of the transformer.

• V1 is the primary voltage, V2 is the secondary voltage, N1 is the number of turns in the primary coil, and N2 is the number of turns in the secondary coil.

• The equation is used to calculate the output voltage of a transformer given the input voltage and turns ratio.

• It is also used to determine the required turns ratio for a transformer to achieve a ...read more

Properties in urban and semi-urban areas can be identified through various factors.

• Location and proximity to city centers

• Availability of public transportation

• Type of buildings and architecture

• Population density

• Land use and zoning regulations

• Infrastructure and amenities

• Property values and rental rates

• Demographics of the area

A micrometer is a precision measuring instrument used to measure small distances or thicknesses. A screw gauge is a type of micrometer that uses a screw mechanism for measurement.

• A micrometer is commonly used in engineering and manufacturing industries for precise measurements.

• It consists of a calibrated screw and a scale that allows for accurate readings.

• Micrometers are capable of measuring dimensions as small as a few micrometers or even smaller.

• Screw gauges are often used ...read more

Performance tester is responsible for identifying and resolving performance issues in software applications.

• Designing and executing performance tests

• Analyzing test results and identifying bottlenecks

• Collaborating with developers to resolve performance issues

• Creating performance reports and presenting findings to stakeholders

• Staying up-to-date with industry trends and best practices

Telecom engineering involves designing, implementing, and maintaining communication networks, including mobile networks.

• Telecom engineering focuses on the design, implementation, and maintenance of communication networks.

• It involves working with various technologies and protocols to ensure efficient and reliable communication.

• Mobile network generation refers to the evolution and advancement of mobile networks over time.

• Each generation introduces new technologies and capabilit...read more

Cybersecurity involves protecting computer systems, networks, and data from cyber attacks.

• Cybersecurity focuses on preventing unauthorized access, data breaches, and other cyber threats.

• It includes measures such as firewalls, encryption, antivirus software, and regular security audits.

• Cybersecurity professionals work to identify vulnerabilities and implement solutions to protect against cyber attacks.

• Examples of cyber attacks include malware, phishing, ransomware, and denial ...read more

To service an elevator field, ensure regular maintenance, troubleshoot issues, and follow safety protocols.

• Perform regular maintenance checks on elevator components

• Troubleshoot and repair any issues with the elevator system

• Follow safety protocols and regulations while servicing the elevator field

• Keep detailed records of maintenance and repairs for future reference

A CNC machine, or Computer Numerical Control machine, is a device that uses computer programming to control the movement and operation of machine tools.

• CNC machines are used in various industries, such as manufacturing, automotive, aerospace, and woodworking.

• They are capable of performing precise and complex operations, such as cutting, drilling, milling, and shaping materials.

• CNC machines eliminate the need for manual control, increasing efficiency and accuracy.

• They consist ...read more

CNC stands for Computer Numerical Control.

• CNC machines are automated tools that use computer programming to control their movements.

• They are used in manufacturing processes such as milling, drilling, and cutting.

• Examples of CNC machines include CNC mills, lathes, routers, and plasma cutters.

G-code and M-code are programming languages used in CNC machines to control their movements and functions.

• G-code is used to control the movement of the machine, such as speed, direction, and position.

• M-code is used to control the machine's auxiliary functions, such as turning on/off the spindle or coolant.

• Both G-code and M-code are written in a specific format and are executed by the machine's controller.

• Examples of G-code include G01 for linear interpolation and G02/G03 for ...read more

Active Directory can be installed using the Server Manager or PowerShell.

• Open Server Manager and select Add Roles and Features

• Select Active Directory Domain Services and follow the wizard

• Alternatively, use PowerShell command Install-WindowsFeature AD-Domain-Services

• Configure the Active Directory after installation

To calculate the number of bags required in 100 feet^2, we need to know the coverage area of each bag.

• Calculate the coverage area of one bag in square feet

• Divide 100 feet^2 by the coverage area of one bag to get the number of bags required

• For example, if one bag covers 10 feet^2, then 100 feet^2 would require 10 bags

Maximum time p1 is the longest time it takes for a process to complete.

• P1 refers to a specific process.

• The maximum time p1 can vary depending on the process and its complexity.

• It is important to optimize p1 to improve efficiency.

• Examples of processes with p1 include software development, manufacturing, and logistics.

There are three main types of inspection: visual inspection, dimensional inspection, and functional inspection.

• Visual inspection involves examining the product or component with the naked eye for any visible defects or abnormalities.

• Dimensional inspection focuses on measuring the physical dimensions of the product to ensure it meets specifications.

• Functional inspection tests the product to verify that it operates correctly and meets performance requirements.

VFD stands for Variable Frequency Drive, used to control the speed of an electric motor.

• VFDs allow for precise control of motor speed, leading to energy savings and improved process control.

• They can be used in various applications such as HVAC systems, pumps, and conveyors.

• VFDs can also extend the lifespan of motors by reducing wear and tear.

• They provide soft start and stop functions, reducing mechanical stress on equipment.

• Overall, VFDs offer flexibility, efficiency, and cos...read more

Support tickets should be prioritized, assigned to appropriate team members, tracked, and resolved in a timely manner.

• Prioritize support tickets based on urgency and impact on users

• Assign tickets to team members with relevant expertise

• Track ticket status and progress regularly

• Communicate with users regarding ticket updates and resolutions

DVR records analog video signals from cameras, while NVR records digital video signals.

• DVR records analog video signals from CCTV cameras

• NVR records digital video signals from IP cameras

• DVR requires coaxial cables for connection

• NVR connects to the network for data transmission

• NVR offers higher resolution and more advanced features

Solid and hybrid rocket propulsion systems differ in their fuel composition and combustion process.

• Solid rocket propulsion system uses a single solid fuel grain, while hybrid rocket propulsion system uses a combination of solid fuel and liquid or gaseous oxidizer.

• In solid rocket propulsion, the fuel and oxidizer are intimately mixed and burned together, resulting in a continuous combustion process.

• In hybrid rocket propulsion, the fuel is in solid form and the oxidizer is in l...read more

A fuse is a safety device that protects electrical circuits from overloading by breaking the circuit when the current exceeds a certain level.

• Fuses are made of a metal wire or filament that melts when the current exceeds a safe level.

• Fuses are rated by the amount of current they can safely carry.

• Fuses are commonly used in household electrical systems, cars, and other machinery.

• When a fuse blows, it must be replaced with a new one of the same rating.

• Fuses are an important safe...read more

There are various types of engines used in different industries and applications.

• Internal combustion engines (gasoline, diesel)

• Jet engines (turbojet, turboprop, turbofan)

• Steam engines

• Electric motors

• Rocket engines

• Hybrid engines

• Stirling engines

• Wankel engines

I am a technical engineer with experience in designing and implementing complex systems.

• I have a degree in engineering and have worked in the field for 5 years.

• I specialize in network architecture and have designed systems for large corporations.

• I am skilled in programming languages such as Java and Python.

• I am a quick learner and enjoy staying up-to-date with the latest technology trends.

• I am a team player and enjoy collaborating with others to solve complex problems.

This is not a complete question and lacks context.

• The question seems incomplete and lacks context.

• It is unclear what the interviewer is asking for.

• More information is needed to provide a proper answer.

Slag is a byproduct of metal smelting or refining processes, consisting of impurities and non-metallic materials.

• Slag is formed during the separation of metal from its ore or during the purification of metal.

• It is typically a mixture of various oxides, sulfides, and silicates.

• Slag can be used in construction, as a raw material for cement production, or as a road base material.

• Examples of slag include blast furnace slag, copper slag, and steel slag.

Stoichiometric ratio is the ratio of reactants in a chemical reaction based on the balanced equation.

• Stoichiometric ratio is determined by the coefficients of the balanced chemical equation.

• It represents the exact amount of reactants needed to completely react and form the products.

• For example, in the reaction 2H2 + O2 -> 2H2O, the stoichiometric ratio is 2:1:2 for H2:O2:H2O.

CNC machine is a computer-controlled machine tool used for precision machining.

• CNC stands for Computer Numerical Control

• It uses a computer program to control the movement of the machine

• It can be used for cutting, drilling, milling, and other machining operations

• Examples include CNC mills, lathes, routers, and plasma cutters

To configure a preset in a PTZ camera, you need to set the desired position, zoom level, and focus point for the preset.

• Access the camera's settings menu or software interface

• Navigate to the preset configuration section

• Select an available preset slot and set the desired position, zoom level, and focus point

• Save the preset configuration for easy recall during operation

OSG (Over Speed Governor) and safety gear are essential components in elevators to ensure passenger safety in case of overspeed or malfunction.

• OSG is a device that detects overspeed of the elevator car and activates safety mechanisms to stop the elevator.

• Safety gear is a mechanical device that engages with the guide rails to stop the elevator in case of free fall or malfunction.

• Both OSG and safety gear work together to prevent accidents and ensure passenger safety in elevator...read more

Huawei RTN series includes RTN 300, RTN 500, RTN 900, and RTN 980 with varying capacities.

• Huawei RTN 300 has a capacity of up to 1 Gbps

• Huawei RTN 500 has a capacity of up to 2 Gbps

• Huawei RTN 900 has a capacity of up to 4 Gbps

• Huawei RTN 980 has a capacity of up to 10 Gbps

DCN management refers to the process of managing and maintaining a Data Communication Network.

• DCN management involves monitoring network performance and troubleshooting issues

• It includes configuring network devices and ensuring network security

• DCN management also involves planning and implementing network upgrades and expansions

• Examples of DCN management tools include network monitoring software and configuration management tools

PDH/SDH technology is a digital transmission technology used in telecommunications to transmit voice and data over long distances.

• PDH stands for Plesiochronous Digital Hierarchy and SDH stands for Synchronous Digital Hierarchy.

• PDH is an older technology that uses fixed time slots for transmission while SDH uses a flexible time slot approach.

• SDH is more efficient and reliable than PDH.

• Both PDH and SDH are used in telecommunications for transmitting voice and data over long dis...read more

APM stands for Application Performance Management, which is the monitoring and management of performance and availability of software applications.

• APM tools help in identifying and resolving performance issues in real-time

• It provides insights into user experience, application dependencies, and overall performance

• Examples of APM tools include New Relic, Dynatrace, and AppDynamics

The type of fitter depends on the type of equipment being fitted.

• Different types of fitters include pipefitters, sheet metal fitters, and machinery fitters.

• Pipefitters install and maintain piping systems, while sheet metal fitters work with ductwork and other sheet metal components.

• Machinery fitters assemble and install machinery and equipment.

• The type of fitter needed will depend on the specific job requirements and equipment being used.

Design thinking is a problem-solving approach that involves empathy, creativity, and iteration.

• Design thinking involves understanding the user's needs and perspectives

• It emphasizes creativity and brainstorming to generate multiple solutions

• Prototyping and testing are used to refine and improve the solutions

• Design thinking can be applied to a wide range of fields, from product design to business strategy

• Examples of companies that use design thinking include Apple, Airbnb, and ...read more

H pole is a type of utility pole used for power distribution.

• H pole is made of steel or concrete.

• It is used to support power lines and transformers.

• H pole is designed to withstand high winds and heavy loads.

• It is commonly used in urban areas where space is limited.

• H pole is also known as a hybrid pole or a composite pole.

Mechanical properties refer to the characteristics of a material that describe how it will react under certain types of mechanical stress.

• Mechanical properties include strength, stiffness, toughness, hardness, ductility, and elasticity.

• Strength is the ability of a material to withstand an applied force without failure.

• Stiffness is the resistance of a material to deformation.

• Toughness is the ability of a material to absorb energy before fracturing.

• Hardness is the resistance of...read more

Utilize the budget by prioritizing needs, setting realistic goals, and monitoring expenses.

• Identify the most important needs and allocate funds accordingly

• Set achievable goals and create a budget plan

• Regularly monitor expenses and adjust the budget as needed

• Consider investing in cost-saving measures or technologies

• Avoid unnecessary expenses and prioritize long-term investments

Knee voltage is the minimum voltage required for a diode to start conducting current.

• Knee voltage is also known as the threshold voltage or cut-in voltage.

• It is the voltage at which the diode begins to conduct current in the forward bias direction.

• Below the knee voltage, the diode acts as an open circuit.

• Above the knee voltage, the diode behaves as a closed circuit.

• The knee voltage varies depending on the type of diode and its material composition.

• For a silicon diode, the kne...read more

To upgrade an application, consider improving user interface, adding new features, optimizing performance, and fixing bugs.

• Improve user interface to enhance user experience

• Add new features to attract more users

• Optimize performance for faster loading times

• Fix bugs and address any security vulnerabilities

• Test the upgraded application thoroughly before release

Azure is a cloud computing platform by Microsoft.

• Cloud computing platform by Microsoft

• Offers services like virtual machines, databases, AI, etc.

• Allows for scalability and flexibility in IT infrastructure