What is the purpose of a suction line accumulator in heat pump systems?
A) To catch any liquid refrigerant that has not evaporated before it reaches the compressor
B) To protect the compressor by separating oil out of the returning refrigerant
C) To accumulate debris and prevent it from entering the compressor
D) To provide a safe way for technicians to charge liquid into the system
A
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When bipolar junction transistors are employed as switches, they are generally driven into ____________________ by supplying them with an excessive amount of base-emitter current.
Fill in the blank(s) with the appropriate word(s).
Why is alternating current (AC) transmitted at high voltages?
What will be an ideal response?
Is the fire rating of an assembly determined through calculations or laboratory testing?
What will be an ideal response?
Technician A says that incandescent lights may be used when working around gasoline. Technician B says that florescent lights should be used when working around gasoline. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B