TCL Technician Interview Questions and Answers for Freshers

Q1. What is this gas change
Ans. 
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.
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Q2. What is this installation system
Ans. 
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 installat
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Q1. What are the details of the service work you have performed?
Ans. 
I have performed a variety of service work including troubleshooting, repairs, installations, and maintenance.
• Troubleshooting electrical systems

• Repairing HVAC units

• Installing new plumbing fixtures

• Performing routine maintenance on machinery

• Calibrating equipment for optimal performance
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Q2. What is the process of refrigeration?
Ans. 
Refrigeration is the process of removing heat from a space to lower its temperature.
• Refrigerant absorbs heat from the space to be cooled

• The refrigerant then goes through a compressor to increase its pressure and temperature

• The hot refrigerant releases heat to the outside air through condenser coils

• The refrigerant then goes through an expansion valve to lower its pressure and temperature

• The cold refrigerant absorbs heat...read more
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Q1. What are the main components are the transformer
Ans. 
The main components of a transformer include the core, windings, and insulation.
• Core: Provides a path for the magnetic flux and is usually made of laminated steel.

• Windings: Consist of primary and secondary coils of wire wrapped around the core.

• Insulation: Prevents short circuits between the windings and ensures electrical safety.

• Examples: Core - laminated steel, Windings - copper wire, Insulation - varnish or paper
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Q2. What are the cooling of transformer
Ans. 
Cooling of transformers is essential to maintain optimal operating temperature and prevent overheating.
• Cooling methods include natural convection, forced air, oil-immersed cooling, and water-cooled systems

• Cooling fins or radiators are often used to increase surface area for heat dissipation

• Monitoring temperature and using cooling fans or pumps can help regulate transformer temperature

• Proper maintenance and regular insp...read more
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Random Topic for all candidates to speak on

Q1. Tell me about yourself
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Q1. Operations round
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Q2. Mostly about hardware
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Q1. Voice and accent test
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Java python c languge

Reasons develop , accounting

Q1. Tell me about yourself.
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Q2. What are your salary expectations?
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Q3. What is your family background?
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Q4. Share details of your previous job.
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Q5. Why are you looking for a change
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Q6. Share your privoius job
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Q7. What is your strength and weekness
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Q8. Share your privious company details
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