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coteca.co.uk > CITB Revision Testing > Supervisor CITB Test – FREE Practice > HVACR Refrigeration & Air Conditioning > Mock Test-2

HVACR (Refrigeration & Air Conditioning) Mock Test - 2

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CITB test is a test which is used to assess the occupational competency of individuals working in the construction site. It is a multiple–choice question & answer exam. The questions cover topics such as safety, health and environment, construction site procedures and materials. Passing the CITB test is a must requirement for CSCS Card.  Start practicing for your CITB Test today!

Note:- The CITB HS&E Test booking fee is £47, which includes the CITB test fee (£23.50) along with our booking/processing service fee.

1. What gas is commonly used in ammonia refrigeration systems?

 
 
 
 

2. What is the boiling point change caused by lowering pressure called?

 
 
 
 

3. What should be checked before charging refrigerant?

 
 
 
 

4. What instrument measures refrigerant pressure?

 
 
 
 

5. What is superheating used to verify?

 
 
 
 

6. What tool is used to detect refrigerant leaks?

 
 
 
 

7. Which component absorbs heat from the refrigerated space?

 
 
 
 

8. What is the purpose of a filter drier?

 
 
 
 

9. What PPE should be worn when handling refrigerants?

 
 
 
 

10. What can cause a compressor to overheat?

 
 
 
 

11. Why is proper ventilation important in plant rooms?

 
 
 
 

12. What does COP stand for in refrigeration?

 
 
 
 

13. Which refrigerant is commonly used in domestic refrigerators?

 
 
 
 

14. Which refrigerant has zero ozone depletion potential?

 
 
 
 

15. What happens when condenser coils are dirty?

 
 
 
 

16. What is the primary function of a condenser in a refrigeration system?

 
 
 
 

17. What device reduces refrigerant pressure before the evaporator?

 
 
 
 

18. Which component circulates refrigerant through the system?

 
 
 
 

19. What happens if an evaporator coil is blocked by ice?

 
 
 
 

20. Which maintenance task improves HVACR efficiency?

 
 
 
 

Question 1 of 20

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