Moisture indicators are normally part of:
A) A filter drier. B) A sightglass.
C) A suction accumulator. D) A liquid receiver.
[Ques. 2] What is the proper heating procedure for soldering?
A) Heat the pipe first and then the joint.
B) Heat the joint first and then the pipe.
C) Place the solder on the joint and melt it with the flame.
D) Heat the solder first and then the joint.
[Ques. 3] Which metering device used on flooded evaporators opens when more refrigerant condenses,enabling the refrigerant to flow into the evaporator?
A) Low-side float B) Automatic expansion valve
C) Electronic expansion valve D) High-side float
[Ques. 4] In most commercial refrigeration systems, most of the excess refrigerant that is not being used is stored in:
A) The bottom of the condenser. B) The bottom of the evaporator.
C) The liquid-line filter. D) The liquid receiver.
[Ques. 5] To avoid being injured by a catastrophic regulator failure, when cracking open the oxygen cylinder you should stand:
A) In front of the valve on the same side of the T handle.
B) Directly in front of the T handle so you can turn it off quickly.
C) Behind the valve by the T handle.
D) Behind the valve on the opposite side of the T handle.
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