Question 1
In the basic vapour-compression refrigeration cycle, which component absorbs heat from the space or product being cooled?
Correct Answer:
Evaporator
Question 2
Which component in the refrigeration cycle increases the pressure and temperature of the refrigerant vapour?
Correct Answer:
Compressor
Question 3
Superheat is best defined as the number of degrees a refrigerant vapour has been heated:
Correct Answer:
Above its saturation (boiling) temperature at the prevailing pressure
Question 4
Subcooling of the liquid refrigerant in the liquid line is important mainly because it:
Correct Answer:
Ensures a full column of liquid reaches the metering device, preventing flash gas
Question 5
During the change of state in the evaporator, the refrigerant absorbs heat while its temperature remains essentially constant. This heat is called:
Correct Answer:
Latent heat
Question 1
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About this Exam

Prepare with the SOLAS Refrigeration Practice Questions - SOLAS Ireland Refrigeration & Air Conditioning Apprenticeship Exam practice quiz. This question bank includes 100 questions covering refrigeration, refrigerant, heat, air-conditioning, and evaporator. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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SOLAS Refrigeration Practice Questions - SOLAS Ireland Refrigeration & Air Conditioning Apprenticeship Exam

This practice set contains 100 questions from the matching question bank and focuses on refrigeration, refrigerant, heat, air-conditioning, and evaporator. 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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