Question 1
In a basic vapour-compression refrigeration cycle, which component absorbs heat from the space or product being cooled?
Correct Answer:
The evaporator
Question 2
Which of the four main refrigeration components raises the pressure and temperature of the refrigerant vapour?
Correct Answer:
The compressor
Question 3
What happens to the refrigerant as it passes through the expansion (throttling) device?
Correct Answer:
Its pressure and temperature both fall
Question 4
On a pressure-enthalpy (p-h) diagram, the throttling process through the expansion valve is represented by which type of line?
Correct Answer:
A vertical line of constant enthalpy
Question 5
What is meant by 'superheat' in a refrigeration system?
Correct Answer:
The temperature of the refrigerant above its saturation temperature in the vapour state
Question 1
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About this Exam

Prepare with the C&G 2079-11 F-Gas Category I Practice Questions - City & Guilds 2079 Level 2 Award in F-Gas & ODS Regulations (Category I) Exam practice quiz. This question bank includes 100 questions covering refrigerant, f-gas, refrigeration, equipment, and refrigerants. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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C&G 2079-11 F-Gas Category I Practice Questions - City & Guilds 2079 Level 2 Award in F-Gas & ODS Regulations (Category I) Exam

This practice set contains 100 questions from the matching question bank and focuses on refrigerant, f-gas, refrigeration, equipment, and refrigerants. 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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