Technician Engineer

10+ Technician Engineer Interview Questions and Answers

Updated 24 Nov 2024
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Q1. What is the difference between air cooled & water cooled chillers?

Ans.

Air cooled chillers use air to remove heat from the refrigerant, while water cooled chillers use water for the same purpose.

  • Air cooled chillers have condensers that use ambient air to cool the refrigerant, while water cooled chillers have condensers that use water from a cooling tower or a closed loop system.

  • Air cooled chillers are typically easier to install and maintain compared to water cooled chillers.

  • Water cooled chillers are more energy efficient and can handle larger c...read more

Q2. What product produced your company with process steps?

Ans.

Our company produces electronic devices with multiple process steps.

  • Designing the product specifications

  • Sourcing components

  • Assembling the electronic devices

  • Testing for quality assurance

  • Packaging and shipping the final product

Technician Engineer Interview Questions and Answers for Freshers

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Q3. How to find out electrical trouble shooting

Ans.

Electrical troubleshooting involves identifying and resolving issues in electrical systems.

  • Start by gathering information about the problem and the system

  • Use tools such as multimeters to measure voltage, current, and resistance

  • Check for loose connections, damaged wires, or faulty components

  • Follow a systematic approach to isolate the problem

  • Test and replace components as necessary

  • Document the troubleshooting process for future reference

Q4. What is a transformar rating for transformar

Ans.

Transformer rating refers to the maximum amount of power that a transformer can handle.

  • Transformer rating is measured in units of volt-amperes (VA) or kilovolt-amperes (kVA).

  • The rating of a transformer depends on its primary and secondary voltage, current, and frequency.

  • For example, a transformer with a rating of 10 kVA can handle a maximum power of 10,000 VA or 10 kW.

  • Transformers with higher ratings are typically used in industrial or commercial applications, while lower rat...read more

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Q5. Types of MCB and MCB rating and Diesel generater type of part

Ans.

MCBs are available in different types and ratings. Diesel generators have various parts.

  • Types of MCBs include Type B, Type C, and Type D

  • MCB ratings range from 1A to 63A

  • Diesel generator parts include the engine, alternator, fuel tank, and control panel

  • MCBs protect electrical circuits from overloading and short circuits

  • Diesel generators provide backup power during outages or in remote areas

Q6. What is Force , What is Torque ,5s ,Kizan

Ans.

Force is a push or pull on an object, while torque is a force that causes rotation. 5S and Kizan are workplace organization and efficiency methodologies.

  • Force is measured in Newtons and is the product of mass and acceleration.

  • Torque is measured in Newton-meters and is the product of force and distance from the axis of rotation.

  • 5S is a methodology for workplace organization and efficiency, consisting of Sort, Set in Order, Shine, Standardize, and Sustain.

  • Kizan is a Japanese te...read more

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Q7. What is tranformer work in elevator

Ans.

Transformers are used in elevators to convert high voltage electricity to lower voltage for safe operation.

  • Transformers step down the voltage from the building's power supply to a level safe for the elevator's motor and control system.

  • They also help regulate the voltage to ensure consistent performance.

  • Transformers can be located in the elevator machine room or in the control panel.

  • Examples of transformers used in elevators include isolation transformers, autotransformers, an...read more

Q8. All types flow meter working and installing

Ans.

Flow meters are devices used to measure the flow rate of a fluid in a pipe or conduit.

  • Different types of flow meters include electromagnetic, ultrasonic, vortex shedding, and turbine meters.

  • Flow meters can be installed in various ways, such as inline, insertion, or clamp-on.

  • Proper calibration and maintenance are essential for accurate flow measurement.

  • Examples of flow meter manufacturers include Siemens, Emerson, and Endress+Hauser.

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Q9. Types of chiller & cooling towers?

Ans.

Types of chillers include air-cooled, water-cooled, and absorption chillers. Cooling towers can be classified as mechanical draft or natural draft.

  • Air-cooled chillers use air to remove heat from the refrigerant.

  • Water-cooled chillers use water to remove heat from the refrigerant.

  • Absorption chillers use a heat source to drive the refrigeration cycle.

  • Mechanical draft cooling towers use fans to move air through the tower.

  • Natural draft cooling towers rely on the natural convection...read more

Q10. Types of power Transmission system

Ans.

Power transmission systems are used to transmit mechanical power from a source to a load.

  • Mechanical power can be transmitted through various types of power transmission systems.

  • Common types include belt drives, chain drives, gear drives, and shaft drives.

  • Belt drives use a belt to transmit power between two pulleys.

  • Chain drives use a chain to transmit power between two sprockets.

  • Gear drives use gears to transmit power between two shafts.

  • Shaft drives directly connect the source...read more

Q11. What is Brake coil work

Ans.

Brake coil work refers to the functioning of the electromagnetic coil in a brake system.

  • Brake coils are used in electromagnetic brakes to generate a magnetic field that attracts the brake disc or rotor, causing it to slow down or stop.

  • The coil is energized by an electrical current, which creates a magnetic field that pulls the brake disc or rotor towards it.

  • The strength of the magnetic field can be adjusted by varying the amount of current flowing through the coil.

  • Brake coils...read more

Q12. Total body test taking blood sample

Ans.

Total body test involves taking a blood sample for analysis.

  • Total body test is a comprehensive health assessment that may include blood tests to check for various health markers.

  • Blood samples are typically taken from a vein in the arm using a needle and syringe.

  • The blood sample is then sent to a laboratory for analysis to assess various aspects of health such as cholesterol levels, blood sugar levels, and organ function.

Q13. Hydraulic working problem

Ans.

Hydraulic working problem

  • Check for leaks in the hydraulic system

  • Inspect the hydraulic fluid level and quality

  • Ensure proper pressure and flow rate

  • Check for damaged or worn out hydraulic components

  • Verify correct operation of valves and actuators

Q14. LPA audit full form ?

Ans.

LPA audit stands for Layered Process Audit.

  • LPA audit is a systematic approach to check the quality of processes at various levels within an organization.

  • It involves conducting regular audits at different stages of production to ensure compliance with standards and identify areas for improvement.

  • LPA audits help in preventing defects, reducing waste, and improving overall efficiency.

  • Example: Conducting LPA audits on the assembly line to check for adherence to quality control me...read more

Q15. Technical line in tractor service

Ans.

Technical line in tractor service involves diagnosing and repairing mechanical and electrical issues in tractors.

  • Performing routine maintenance on tractors

  • Identifying and troubleshooting mechanical and electrical issues

  • Repairing or replacing faulty parts

  • Testing and adjusting tractor systems

  • Maintaining accurate records of service and repairs

  • Communicating with customers to understand their needs and provide solutions

  • Staying up-to-date with new technologies and industry trends

Q16. Types of compressors?

Ans.

Types of compressors include reciprocating, rotary screw, centrifugal, and scroll compressors.

  • Reciprocating compressors use pistons to compress air.

  • Rotary screw compressors use two rotating screws to compress air.

  • Centrifugal compressors use a rotating impeller to compress air.

  • Scroll compressors use two interleaving scrolls to compress air.

Q17. How can cable laying

Ans.

Cable laying can be done efficiently by following proper planning, preparation, and execution.

  • Plan the cable route to avoid obstacles and ensure proper support

  • Prepare the area by clearing any obstructions and ensuring safety measures are in place

  • Use appropriate tools and equipment for laying the cables

  • Secure the cables properly to prevent damage and ensure longevity

  • Test the cables after installation to ensure proper functioning

Q18. Types of pumps and gearbox

Ans.

Pumps are classified into centrifugal, positive displacement, and special pumps. Gearboxes are classified into manual, automatic, and CVT.

  • Centrifugal pumps use a rotating impeller to create a flow of fluid.

  • Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge port.

  • Special pumps include jet pumps, axial flow pumps, and regenerative pumps.

  • Manual gearboxes require the driver to manually shift gears.

  • Automatic gearboxes shift gears ...read more

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