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RETA INDUSTRIAL REFRIGERATION EXAM LATEST 2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+|
||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
How much does the pressure of trapped ammonia liquid change?
a. 1 psi per 100° to 150° F increase.
b. 100 to 150 psi per degree Fahrenheit increase.
c. 1 psi per 100° to 150°F decrease.
d. 100 to 150 psi per degree Fahrenheit decrease. - ANSWER-b.
100 to 150 psi per degree Fahrenheit increase.
What is one positive characteristic of most halocarbon
refrigerants?
a. They are always non-toxic and safe.
b. They are not generally flammable.
c. They are low cost.
d. They have a must higher latent heat of boiling than ammonia. -
ANSWER-b. They are not generally flammable.
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Which refrigerant in Table 3-2 would operate at the lowest suction
pressure with an evaporator temperature of 10°F?
a. R-717
b. R-507
c. R-404a
d. R-134a - ANSWER-d. R-134a
Which refrigerant listed below would require the most CFM for a
100 ton refrigeration load?
a. R-717
b. R-507
C. R-404a
d. R-134a - ANSWER-d. R-134a
A405s corders comprosset inter sutich refrigerant listed below
would evaporator temperature of 10°F.
have the highest compressor theoretical discharge temperature
with an
a. R-717
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b. R-134a
c. HCFC-22
d. R-404a - ANSWER-a. R-717
Of the reftigerants listed below, which refigerant requires the most
bs min. per ton to be circulated at 10°F evaporating, 95°F
condensing?
a. R-717
b. R-507
c. HCFC-22
d. R-134a - ANSWER-b. R-507
A slight leak in a fitting on a HCFC-22 system causes the halide
torch
flame to
a. turn purple.
b. go out.
c. turn green.
d. turn red. - ANSWER-c. turn green.
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If a system using reciprocating compressors has the evaporator
temperature decreased, what happens to the theoretical
discharge temperature? (Assume constant condensing pressure)
a. Discharge temperature rises
b. Discharge temperature unaffected
c. Discharge temperature falls
d. Depends on type of condenser - ANSWER-a. Discharge
temperature rises
What is the theoretical discharge temperature for ammonia at
93°F
condensing and 0°F evaporating temperature?
a. 312°F
b. 255°F
c. 318°F
d. 242°F - ANSWER-d. 242°F
RETA INDUSTRIAL REFRIGERATION EXAM LATEST 2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+|
||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
How much does the pressure of trapped ammonia liquid change?
a. 1 psi per 100° to 150° F increase.
b. 100 to 150 psi per degree Fahrenheit increase.
c. 1 psi per 100° to 150°F decrease.
d. 100 to 150 psi per degree Fahrenheit decrease. - ANSWER-b.
100 to 150 psi per degree Fahrenheit increase.
What is one positive characteristic of most halocarbon
refrigerants?
a. They are always non-toxic and safe.
b. They are not generally flammable.
c. They are low cost.
d. They have a must higher latent heat of boiling than ammonia. -
ANSWER-b. They are not generally flammable.
,2|Page
Which refrigerant in Table 3-2 would operate at the lowest suction
pressure with an evaporator temperature of 10°F?
a. R-717
b. R-507
c. R-404a
d. R-134a - ANSWER-d. R-134a
Which refrigerant listed below would require the most CFM for a
100 ton refrigeration load?
a. R-717
b. R-507
C. R-404a
d. R-134a - ANSWER-d. R-134a
A405s corders comprosset inter sutich refrigerant listed below
would evaporator temperature of 10°F.
have the highest compressor theoretical discharge temperature
with an
a. R-717
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b. R-134a
c. HCFC-22
d. R-404a - ANSWER-a. R-717
Of the reftigerants listed below, which refigerant requires the most
bs min. per ton to be circulated at 10°F evaporating, 95°F
condensing?
a. R-717
b. R-507
c. HCFC-22
d. R-134a - ANSWER-b. R-507
A slight leak in a fitting on a HCFC-22 system causes the halide
torch
flame to
a. turn purple.
b. go out.
c. turn green.
d. turn red. - ANSWER-c. turn green.
, 4|Page
If a system using reciprocating compressors has the evaporator
temperature decreased, what happens to the theoretical
discharge temperature? (Assume constant condensing pressure)
a. Discharge temperature rises
b. Discharge temperature unaffected
c. Discharge temperature falls
d. Depends on type of condenser - ANSWER-a. Discharge
temperature rises
What is the theoretical discharge temperature for ammonia at
93°F
condensing and 0°F evaporating temperature?
a. 312°F
b. 255°F
c. 318°F
d. 242°F - ANSWER-d. 242°F
