?What is the recommended flow velocity for establishing a siphon?

A. ?1 foot per second
B. ?2 feet per second
C. ?3 feet per second
D. ?5 feet per second


Answer: B

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The temperature in a furnace equipment room is 65°F (18.3°C). Flue gas temperature is 375°F (190.6°C). What is the net stack temperature?

a. 65°F (36.3°C) b. 310°F (172.3°C) c. 375°F (208.3°C) d. 440°F (244.3°C)

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This is a thread that engages with a mating thread by rotating counterclockwise.

a. right-hand thread b. left-hand thread c. clockwise thread d. counterclockwise thread

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This is the center plane relationship between two or more features.

a. cylindricity b. concentricity c. symmetry d. position

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CAD drawings are faster and more accurate than ________ drawings.

A. DWG B. CAD C. PDF D. hand

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