BTEB Refrigeration & AC Exam Practice Questions - BTEB National Skill Certificate - Refrigeration & Air Conditioning Exam - BTEB Refrigeration & AC Exam Practice Questions - BTEB National Skill Certificate

Question 1

In the basic vapor-compression refrigeration cycle, in which order does refrigerant pass through the compressor, condenser, expansion device and evaporator?

Compressor, condenser, expansion device, evaporator Compressor, evaporator, expansion device, condenser Evaporator, expansion device, compressor, condenser Condenser, compressor, evaporator, expansion device

Correct Answer:

Compressor, condenser, expansion device, evaporator

Question 2

What is the main function of the evaporator in a refrigeration or air conditioning system?

To absorb heat from the surrounding air or product as the refrigerant boils and vaporizes To compress refrigerant vapor and raise its pressure and temperature To reject heat from the refrigerant to the outside air as it condenses To reduce the pressure of the liquid refrigerant before it enters the condenser

Correct Answer:

To absorb heat from the surrounding air or product as the refrigerant boils and vaporizes

Question 3

What happens to the refrigerant inside the condenser of a refrigeration system?

High-pressure refrigerant vapor rejects heat to the surroundings and condenses into a liquid Low-pressure refrigerant liquid absorbs heat and boils into a vapor Refrigerant vapor is compressed and its pressure is raised Liquid refrigerant is throttled and its pressure is reduced

Correct Answer:

High-pressure refrigerant vapor rejects heat to the surroundings and condenses into a liquid

Question 4

What is the primary purpose of the expansion device (such as a capillary tube or thermostatic expansion valve) in a refrigeration system?

To reduce the pressure and temperature of the liquid refrigerant before it enters the evaporator To raise the pressure and temperature of refrigerant vapor leaving the evaporator To remove moisture and acid from the refrigerant before it reaches the compressor To reject heat from the refrigerant to the outside air

Correct Answer:

To reduce the pressure and temperature of the liquid refrigerant before it enters the evaporator

Question 5

In a refrigeration cycle, what does the compressor primarily do to the refrigerant vapor it receives from the evaporator?

It raises the pressure and temperature of the vapor and pumps it toward the condenser It condenses the vapor into a liquid before sending it to the evaporator It reduces the pressure of the vapor so it can boil at a lower temperature It removes heat directly from the room air passing over its casing

Correct Answer:

It raises the pressure and temperature of the vapor and pumps it toward the condenser

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About this Exam

Prepare with the BTEB Refrigeration & AC Exam Practice Questions - BTEB National Skill Certificate - Refrigeration & Air Conditioning Exam practice quiz. This question bank includes 100 questions covering refrigerant, compressor, technician, refrigeration, and split. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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BTEB Refrigeration & AC Exam Practice Questions - BTEB National Skill Certificate - Refrigeration & Air Conditioning Exam

This practice set contains 100 questions from the matching question bank and focuses on refrigerant, compressor, technician, refrigeration, and split. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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BTEB Refrigeration & AC Exam Practice Questions - BTEB National Skill Certificate - Refrigeration & Air Conditioning Exam

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