The following inspections on a gas compressor should happen monthly except ________
A) reviewing the oil analysis report B) checking the safety shut-down functions
C) checking the oil viscosity D) inspecting the anchor bolts and shims
C
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Fusible load centers, or ____________________, are electric panels that supply the circuits in a structure with power and protect those circuits with fuses.
Fill in the blank(s) with the appropriate word(s).
When taking a temperature reading of a copper suction line, it is important to insulate the sensing element to give a more accurate reading.
Answer the following statement true (T) or false (F)
When charging a refrigeration system with a near-azeotropic mixture, what must be done to prevent liquid from entering the system?
A. Charge only as a vapor through the high side. B. Charge only liquid through the high side. C. Charge as a liquid through the low side using a restrictor. D. Charge as a vapor through the low side using a resistor.
The basic ____ rectifier circuit requires two diodes and a center-tapped transformer.
A. half-wave B. full-wave C. bridge D. filter