CORRECT ANSWERS|LATEST !!!!2026|GRADED
Which of these is equivalent to 150 PSIA?
A. 164.7 PSIG
B. 185.0 PSIG
C. 135.3 PSIG
D. 121.7 PSIG - ANSWER C
What is the volume of a cold storage room that is 150' long, 80' wide and 35' high?
A. 12,000 cubic feet
B. 219,000 cubic feet
C. 392,000 cubic feet
D. 420,000 cubic feet - ANSWER D
What is required to move heat from one object to another?
A. Change of state
B. Heat of fusion
C. Latent heat
D. Temperature difference - ANSWER D
What does temperature indicate?
A. The quantity of heat energy in an object
B. Intensity of heat energy in an object
C. Latent heat energy of an object
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, D. The pressure of a vapor - ANSWER B
How much heat must be removed to convert 5 pounds of water that is at 32°F to ice at 20°F?
Q2=m⋅c⋅ΔT
Where:
Q2 = heat removed (BTUs)
m = mass of the ice (in pounds)
c = specific heat of ice (approximately 0.5 BTU/lb°F)
Delta TΔ = change in temperature (final temperature - initial temperature) -
ANSWER 750 btu
Which of these is required to obtain a valid reading from a pressure/temperature chart?
A. The refrigerant must be in a saturated condition.
B. The refrigerant must be in a superheated condition.
C. The refrigerant must be at a constant temperature.
D. The refrigerant must be in a sub-cooled condition. - ANSWER A
What does the term "compression ratio" refer to?
A. The ratio of piston length to piston diameter
B. The ratio of discharge pressure to suction pressure in PSIA
C. The ratio of discharge pressure to suction pressure in PSIG
D. The ratio of suction gas volume to discharge gas volume - ANSWER B
Which of these is an essential component of a mechanical refrigeration system?
A. Accumulator
B. Receiver
C. Thermostat
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Which of these is equivalent to 150 PSIA?
A. 164.7 PSIG
B. 185.0 PSIG
C. 135.3 PSIG
D. 121.7 PSIG - ANSWER C
What is the volume of a cold storage room that is 150' long, 80' wide and 35' high?
A. 12,000 cubic feet
B. 219,000 cubic feet
C. 392,000 cubic feet
D. 420,000 cubic feet - ANSWER D
What is required to move heat from one object to another?
A. Change of state
B. Heat of fusion
C. Latent heat
D. Temperature difference - ANSWER D
What does temperature indicate?
A. The quantity of heat energy in an object
B. Intensity of heat energy in an object
C. Latent heat energy of an object
1
, D. The pressure of a vapor - ANSWER B
How much heat must be removed to convert 5 pounds of water that is at 32°F to ice at 20°F?
Q2=m⋅c⋅ΔT
Where:
Q2 = heat removed (BTUs)
m = mass of the ice (in pounds)
c = specific heat of ice (approximately 0.5 BTU/lb°F)
Delta TΔ = change in temperature (final temperature - initial temperature) -
ANSWER 750 btu
Which of these is required to obtain a valid reading from a pressure/temperature chart?
A. The refrigerant must be in a saturated condition.
B. The refrigerant must be in a superheated condition.
C. The refrigerant must be at a constant temperature.
D. The refrigerant must be in a sub-cooled condition. - ANSWER A
What does the term "compression ratio" refer to?
A. The ratio of piston length to piston diameter
B. The ratio of discharge pressure to suction pressure in PSIA
C. The ratio of discharge pressure to suction pressure in PSIG
D. The ratio of suction gas volume to discharge gas volume - ANSWER B
Which of these is an essential component of a mechanical refrigeration system?
A. Accumulator
B. Receiver
C. Thermostat
2
