How does one detect a leak in a low-pressure system?
A) High pressure increases B) Slower recovery rates
C) An extended purging operation D) Full system shutdowns
C
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What tool is used to check input shaft endplay?
A) Torque wrench B) Feeler gauge C) Calibrated pliers D) Dial indicator and stand
If Single-Gang Nail-On non-metallic boxes are used with NM cable, which of the following is true?
a. No connection to the box is required. b. A grounding clip connects the box to the cable. c. Electrical tape connects the box to the cable. d. A standard electrician's staple connects the box to the cable.
Refrigerants with the highest ozone depletion potential are:
A) HFCs - hydrofluorocarbons. B) HCFCs - hydrochlorofluorocarbons. C) HCs - hydrocarbons. D) CFCs - chlorofluorocarbons.
Earthbag construction for human shelters was outlawed in the united states in the 1970s.
Answer the following statement true (T) or false (F)