The most common type of single-phase motor used in HVACR equipment is:
A) Repulsion start induction run (RSIR). B) Series wound universal DC motor.
C) Capacitor start induction run. D) Permanent split capacitor (PSC).
D
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The rebar-tying method shown in the figure above is called a _____.
a. wrap-and-tie b. standoff tie c. bar hitch d. nail-head tie
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On some engines equipped with a timing belt, the belt also may drive the ________
A) Water pump B) AC compressor C) Alternator D) Power steering
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What materials are used for piping and tubing in heating, air conditioning, and refrigeration systems?
What will be an ideal response?
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A KD unit is a metal door frame that is _____
a. unassembled b. fully assembled c. kiln-dried d. properly welded
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