Press-in plastic or light metal inserts are used to protect _____ ends from the weather.
a. flanged
b. beveled
c. male threaded
d. socket weld
d. socket weld
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One type of fan cycle control employs a ____ to control motor speed.
a. thermistor b. triac c. thermostat d. shutter
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What is the estimated length of a building that has 35 roof rafters 24 inches on center?
A) 72 feet B) 68 feet C) 70 feet D) 66 feet
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The top of a standpipe riser extends up onto the roof. Three hose connections are attached to the top of the standpipe riser. These three connections make up the
A. roof manifold B. O S & Y C. gate valve assembly D. release rack
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The switching sequence of the inverter transistor, while the drive is operating in the Quadrant __________ mode, is the same as when it is operating in the Quadrant 4 mode.
A. 1 B. 2 C. 3
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