2024 GCAP EXAM WITH CORRECT
ANSWERS
A refrigerant line contains Ammonia at the following conditions: 80F, 120
PSIG - CORRECT-ANSWERSThe line contains vapor
A low temperature Ammonia booster compressor normally operates with a
discharge temperature of 120F. The temperature of the discharge vapor
suddenly drops to 80F. What is indicated? - CORRECT-ANSWERSThere is
possibly liquid in the suction line
Where can oil be drained from an Ammonia system - CORRECT-ANSWERSAll
the above
the high pressure receiver, the low pressure receiver, oil pots and some
evaporators
An example of how a lava lamp works would be an example of what type of
heat transfer - CORRECT-ANSWERSAll the above: Radiant, conduction,
convection
what is specific heat (Cp) - CORRECT-ANSWERSit is the exact amount of heat
that must be transferred to change 1 pound of a substance by 1F
where should a superheated gas exist in all refrigeration systems -
CORRECT-ANSWERSinlet of compressor
where is the worst place to have a leak - CORRECT-ANSWERShigh side liquid
the compressor controls low side boiling temperature by controlling? -
CORRECT-ANSWERSpressure
a compressor is considered a - CORRECT-ANSWERSvolume reducer
a condenser converts the refrigerant from ______ to ____ when it removes
heat - CORRECT-ANSWERSgas to liquid
the metering or expansion valve contols - CORRECT-ANSWERSflow
to classify a metering valve as an actual expansion valve what must happen
across the valve - CORRECT-ANSWERSall the above:
pressure drop, temp drop, increase in velocity
ANSWERS
A refrigerant line contains Ammonia at the following conditions: 80F, 120
PSIG - CORRECT-ANSWERSThe line contains vapor
A low temperature Ammonia booster compressor normally operates with a
discharge temperature of 120F. The temperature of the discharge vapor
suddenly drops to 80F. What is indicated? - CORRECT-ANSWERSThere is
possibly liquid in the suction line
Where can oil be drained from an Ammonia system - CORRECT-ANSWERSAll
the above
the high pressure receiver, the low pressure receiver, oil pots and some
evaporators
An example of how a lava lamp works would be an example of what type of
heat transfer - CORRECT-ANSWERSAll the above: Radiant, conduction,
convection
what is specific heat (Cp) - CORRECT-ANSWERSit is the exact amount of heat
that must be transferred to change 1 pound of a substance by 1F
where should a superheated gas exist in all refrigeration systems -
CORRECT-ANSWERSinlet of compressor
where is the worst place to have a leak - CORRECT-ANSWERShigh side liquid
the compressor controls low side boiling temperature by controlling? -
CORRECT-ANSWERSpressure
a compressor is considered a - CORRECT-ANSWERSvolume reducer
a condenser converts the refrigerant from ______ to ____ when it removes
heat - CORRECT-ANSWERSgas to liquid
the metering or expansion valve contols - CORRECT-ANSWERSflow
to classify a metering valve as an actual expansion valve what must happen
across the valve - CORRECT-ANSWERSall the above:
pressure drop, temp drop, increase in velocity
