Test instruments for a preventative maintenance activity may include: multi-meter, tachometer, and __________.
A. thermal imaging system
B. vibration analyzer
C. insulation resistance meter
D. All answers are correct
Answer: D
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When cleaning the end of the pipe to be socket-welded, the pipe should be cleaned at least _____ inch(es) from the end.
a. 1/4 b. 1/2 c. 1 d. 1-1/2
All members of the genus Mustela have:
A) short, stout bodies B) short tails C) short legs D) short, very round heads
Which social group is depicted satirically in Miguel de Cervantes’s Don Quixote?
a. merchants b. the clergy c. the nobility d. servants
During the defrost cycle
A) the entire system shuts off to allow it to defrost B) The outdoor fan shuts off to slow frost accumulation C) The outdoor coil becomes the condenser and the outdoor fan shuts off D) the outdoor heat strips are energized