ESCO Air Conditioning Exam | Most Recent Exam 2026 Actual
Complete Real Exam Questions With 100% Correct Answers |
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Which of the following is the most important consideration in
the selection of an
evaporator coil. Match the coil to the - ANSWER-
Condensing unit and the
latent/sensible
loads
In the evaporator - ANSWER-Latent heat is transferred from
the refrigerated
space to the
refrigerant
A liquid line filter-drier should be placed between the -
ANSWER-Condenser
and the Metering
device
,The only way to minimize flash gas is by - ANSWER-Sub-
cooling the liquid refrigerant entering the metering device
closer to the evaporator temperature
A liquid receiver is used to - ANSWER-store liquid refrigerant
An accumulator is used to - ANSWER-Prevent liquid
refrigerant from reaching
the
compressor
A sight glass would be normally located - ANSWER-in the liquid
line before the
metering
device
Bubbles in a sight glass would be an indication of -
ANSWER-TXV with an
excessive superheat
setting
The oil separator is installed in the - ANSWER-Discharge Line
Which of the following is true of a solenoid valve in a pump
down system -
ANSWER-Its located before the
metering device
, The purpose of an evaporator pressure regulating valve is
to - ANSWER-
prevent evaporator pressure from falling
below a set limit
A liquid to suction heat exchanger is often used to -
ANSWER-increse liquid
subcooling
The oil pressure safety switch is operated by _________. -
ANSWER-the
difference between crankcase pressure and oil
pump pressure
A low pressure cut off switch is used to - ANSWER-
establish a minimum
operating pressure in the
evaporator
A partially iced over evaporator can be caused by - ANSWER-an
undercharge
_________ can be use for a leak detection with all high-
pressure refrigerant -
ANSWER-Soap
bubbles
Complete Real Exam Questions With 100% Correct Answers |
Verified Answers | Already Graded A+ | Guaranteed Success!!
| Newest Exam | Just Released!!
Which of the following is the most important consideration in
the selection of an
evaporator coil. Match the coil to the - ANSWER-
Condensing unit and the
latent/sensible
loads
In the evaporator - ANSWER-Latent heat is transferred from
the refrigerated
space to the
refrigerant
A liquid line filter-drier should be placed between the -
ANSWER-Condenser
and the Metering
device
,The only way to minimize flash gas is by - ANSWER-Sub-
cooling the liquid refrigerant entering the metering device
closer to the evaporator temperature
A liquid receiver is used to - ANSWER-store liquid refrigerant
An accumulator is used to - ANSWER-Prevent liquid
refrigerant from reaching
the
compressor
A sight glass would be normally located - ANSWER-in the liquid
line before the
metering
device
Bubbles in a sight glass would be an indication of -
ANSWER-TXV with an
excessive superheat
setting
The oil separator is installed in the - ANSWER-Discharge Line
Which of the following is true of a solenoid valve in a pump
down system -
ANSWER-Its located before the
metering device
, The purpose of an evaporator pressure regulating valve is
to - ANSWER-
prevent evaporator pressure from falling
below a set limit
A liquid to suction heat exchanger is often used to -
ANSWER-increse liquid
subcooling
The oil pressure safety switch is operated by _________. -
ANSWER-the
difference between crankcase pressure and oil
pump pressure
A low pressure cut off switch is used to - ANSWER-
establish a minimum
operating pressure in the
evaporator
A partially iced over evaporator can be caused by - ANSWER-an
undercharge
_________ can be use for a leak detection with all high-
pressure refrigerant -
ANSWER-Soap
bubbles
