NATE INDUSTRY COMPETENCY EXAM COMMERCIAL REFRIGERATION LATEST EXAM 2024 ACTUAL EXAM 100 QUESTIONS AND CORRECT DETAILED ANSWERS
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Course
2024/2025
Institution
2024/2025
NATE INDUSTRY COMPETENCY EXAM COMMERCIAL
REFRIGERATION LATEST EXAM 2024 ACTUAL EXAM 100
QUESTIONS AND CORRECT DETAILED ANSWERS
With the condensing pressure and compressor speed remaining constant, a decrease
in suction pressure will cause a(n):
a. Decrease in compressor capacity and decrease i...
a. It is required to install evaporator pressure regulator(s).
b. The compressor discharge pressure will be a function of the coldest space.
c. It is required to install a head pressure control valve.
d. It is required to install a crankcase pressure regulator. - Answer✔️✔️-A
If charging a system by subcooling, what metering devices is installed?
a. Capillary tube.
b. Restrictor.
c. Thermostatic expansion valve.
d. Fixed orifice. - Answer✔️✔️-C
The most critical refrigerant line with respect to sizing for compressor performance is
the:
a. Liquid line.
b. Discharge line.
c. Suction line.
d. Bypass line. - Answer✔️✔️-C
In a liquid line, excess pressure drop can cause:
a. Sweating suction lines.
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