WELCOME TEST

What is the function of a compressor in a refrigeration cycle?

• A. Heat absorption

• B. Heat rejection

• C. Compress the refrigerant and raise its pressure

• D. Reduce the pressure of refrigerant

In a refrigeration cycle, which component is responsible for absorbing heat?

• A. Evaporator

• B. Condenser

• C. Compressor

• D. Expansion valve

The process of removing moisture and air from a refrigeration system is known as:

• A. Evacuation

• B. Charging

• C. Condensation

• D. Pressurization

What is the typical function of a thermostat in an air conditioning system?

• A. To regulate refrigerant flow

• B. To control the cooling cycle based on room temperature

• C. To increase system pressure

• D. To eliminate moisture

In the refrigeration cycle, where does the refrigerant change from a liquid to a vapour?

• A. Compressor

• B. Condenser

• C. Evaporator

• D. Expansion valve

What happens to refrigerant in the condenser?

• A. It absorbs heat

• B. It condenses from a vapour to a liquid

• C. It evaporates into a gas

• D. It expands to a low-pressure vapour

What is the name of the new Principal of GTC Ikorodu?

What is the main purpose of an expansion valve in a refrigeration system?

• A. To increase the pressure of the refrigerant

• B. To regulate the flow of refrigerant into the evaporator

• C. To convert refrigerant from liquid to vapour

• D. To remove moisture from the refrigerant

In the refrigeration cycle, which component is responsible for rejecting heat to the surroundings?

• A. Compressor

• B. Condenser

• C. Evaporator

• D. Expansion valve

What component is the diagram above?

• A. Thermostat

• B. Electronic switch

• C. Thermostatic Expansion Valve

• D. Capillary tube