Steamfitter/pipefitter Review
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. What does a cascading loop system mean? - Correct Answer:
More than 1 feed back control loop
2. 2 most frequently used closed refrigeration systems - Correct
Answer: Compression and absorption system
3. Early absorption systems use what for refrigerant - Correct
Answer: Ammonia
4. A compression refrigeration system use what - Correct Answer:
Compressor
5. An absorption refrigeration system use what - Correct Answer:
Absorber
6. On early absorption systems water is used as the - Correct
Answer: Absorbent
,7. Todays large AC systems use what as the absorbent - Correct
Answer: Lithium bromide
8. If lithium bromide is the absorbent, what is the refrigerant -
Correct Answer: Water
9. Another name for the concentrator isenerator - Correct Answer:
The generator
10. What's the name of the medium that transports heat -
Correct Answer: Refrigerant
11. How does a refrigerant absorb heat? - Correct Answer:
Vaporizing at low temperature & low pressure
12. How does the refrigerant release its heat? - Correct Answer:
Condensing at high temperature & high pressure
13. Non toxic & non flammable chlorinated refrigerant made by
DuPont? - Correct Answer: Freon
14. What is an example of a hydrogenated chloro-fluoro carbon -
Correct Answer: R22 (Used in feeezers)
15. What is one of the oldest yet one of the best refrigerants -
Correct Answer: Ammonia (NH3)
,16. What refrigerant group is considered to be the safest? -
Correct Answer: A1 refrigerants
17. Dangerous and flammable - Correct Answer: Group 2
refrigerants are?
18. What application are group A3 refrigerants used for? -
Correct Answer: Industrial
19. An example of group A3 refrigerant? - Correct Answer:
Propane
20. An example of A1 refrigerants? - Correct Answer: R12 (used
in fridges)
21. What leaking refrigerant can be detected by a halide torch? -
Correct Answer: R12
22. Device that can discharge large amounts of condensate quickly
from a steam main. - Correct Answer: F & T Trap
23. ASME code states, boilers operating at 100 psi and over must
have - Correct Answer: Two bottom blow-off valves
, 24. Low pressure steam boilers are generally rated in? - Correct
Answer: BTU/hr & EDR
25. HP steam boilers are rated in? - Correct Answer:
BHP/MBH/Pounds(lbs) of steam per hour.
26. Line used to connect the supply header with the boiler return
line. - Correct Answer: Equalizer Line
27. A heat pump should always be sized according to the
buildings? - Correct Answer: Cooling Load
28. The form of heat which enables the process of mechanical
refrigeration to take place? - Correct Answer: Latent Heat
29. Two components of the heat pump system that change
functions when the flow of refrigerant is reversed are: - Correct
Answer: The compressor and the receiver.
30. A component considered to be one of the divisional points
between the high pressure and low pressure side of a mechanical
refrigeration system.? - Correct Answer: The liquid metering
device (Control Valve)
Organization mainly responsible for introducing the letter "R" designation
and numbering of refrigerants. - Correct Answer: ASHRAE (American
Society of Heating, Refrigeration and Air Conditioning Engineers)
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. What does a cascading loop system mean? - Correct Answer:
More than 1 feed back control loop
2. 2 most frequently used closed refrigeration systems - Correct
Answer: Compression and absorption system
3. Early absorption systems use what for refrigerant - Correct
Answer: Ammonia
4. A compression refrigeration system use what - Correct Answer:
Compressor
5. An absorption refrigeration system use what - Correct Answer:
Absorber
6. On early absorption systems water is used as the - Correct
Answer: Absorbent
,7. Todays large AC systems use what as the absorbent - Correct
Answer: Lithium bromide
8. If lithium bromide is the absorbent, what is the refrigerant -
Correct Answer: Water
9. Another name for the concentrator isenerator - Correct Answer:
The generator
10. What's the name of the medium that transports heat -
Correct Answer: Refrigerant
11. How does a refrigerant absorb heat? - Correct Answer:
Vaporizing at low temperature & low pressure
12. How does the refrigerant release its heat? - Correct Answer:
Condensing at high temperature & high pressure
13. Non toxic & non flammable chlorinated refrigerant made by
DuPont? - Correct Answer: Freon
14. What is an example of a hydrogenated chloro-fluoro carbon -
Correct Answer: R22 (Used in feeezers)
15. What is one of the oldest yet one of the best refrigerants -
Correct Answer: Ammonia (NH3)
,16. What refrigerant group is considered to be the safest? -
Correct Answer: A1 refrigerants
17. Dangerous and flammable - Correct Answer: Group 2
refrigerants are?
18. What application are group A3 refrigerants used for? -
Correct Answer: Industrial
19. An example of group A3 refrigerant? - Correct Answer:
Propane
20. An example of A1 refrigerants? - Correct Answer: R12 (used
in fridges)
21. What leaking refrigerant can be detected by a halide torch? -
Correct Answer: R12
22. Device that can discharge large amounts of condensate quickly
from a steam main. - Correct Answer: F & T Trap
23. ASME code states, boilers operating at 100 psi and over must
have - Correct Answer: Two bottom blow-off valves
, 24. Low pressure steam boilers are generally rated in? - Correct
Answer: BTU/hr & EDR
25. HP steam boilers are rated in? - Correct Answer:
BHP/MBH/Pounds(lbs) of steam per hour.
26. Line used to connect the supply header with the boiler return
line. - Correct Answer: Equalizer Line
27. A heat pump should always be sized according to the
buildings? - Correct Answer: Cooling Load
28. The form of heat which enables the process of mechanical
refrigeration to take place? - Correct Answer: Latent Heat
29. Two components of the heat pump system that change
functions when the flow of refrigerant is reversed are: - Correct
Answer: The compressor and the receiver.
30. A component considered to be one of the divisional points
between the high pressure and low pressure side of a mechanical
refrigeration system.? - Correct Answer: The liquid metering
device (Control Valve)
Organization mainly responsible for introducing the letter "R" designation
and numbering of refrigerants. - Correct Answer: ASHRAE (American
Society of Heating, Refrigeration and Air Conditioning Engineers)
