____ stringers are routed out, so the treads fit between them.

A. Housed
B. Open
C. Closed
D. Posted


Answer: A

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The method of questioning that is used to have a detailed response is known as ________.

A) Open question B) Closed question C) Questioning techniques D) None of the above

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There are many methods of insulating metal ductwork. Which of the following methods is NOT used to insulate ducts?

A) Bubble outer wrap or liner B) Spray-on urethane foam C) Fiberglass outerwrap with vapor barrier D) Fiberglass liner

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Displacers used in level measurement systems are __________ of the measured fluid.

A. lighter than an equal volume B. the same weight as an equal volume C. heavier than or equal to thevolume D. half the weight

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The ____ remains in the off state until an applied voltage in either direction is high enough to cause its reverse-biased junction to break over and start conducting much like a zener diode.

A. DIAC B. TRIAC C. MOSFET D. SCR

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