Steamfitter/ Pipefitter Third Year
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)
31.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)
31.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)
