Federal standards require showerheads to deliver a maximum of 2.5 GPM; however, ____ showerheads allowed in a single stall.
A. there are two
B. there are three
C. there are four
D. there is no limit on the number of
Answer: D
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Which of the following statements about the metric system is true?
a. Its subunits are related by multiples of 10. b. It was developed in France. c. It is commonly used in the United States. d. It easily converts to other systems of measurement.
The rotor of an induction motor can be compared to the __________ of a transformer.
A. primary B. secondary
?How are the rings broken in during a test drive?
What will be an ideal response?
To avoid releasing large quantities of refrigerant inside a mechanical room, ANSI/ASHRAE Standard 15-2010 specifies that rupture disks:
A) Should be replaced with solid brass plugs. B) Should only be used on equipment located outside. C) Should be controlled through a hand valve. D) Should be piped outside the building.