Which of the following will not cause downtime due to repair?

A. Attempting to place the exchanger in service with the bleed valves open
B. Operating a heat exchanger with ruptured tubes
C. Improper alignment of the inlet and outlet valves
D. Opening a cold fluid to a hot heat exchanger


A. Correct. Attempting to place the exchanger in service with the bleed valves open will not cause downtime due to repair.
B. Incorrect. Operating a heat exchanger with ruptured tubes may cause downtime due to repair.
C. Incorrect. Improper alignment of the inlet and outlet valves may cause downtime due to repair.
D. Incorrect. Opening a cold fluid to a hot heat exchanger may cause downtime due to repair.

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Benjamin Franklin's plan for colonial home rule was rejected by the individual colonies because

A. it did not provide for the common defense. B. the British approved it. C. it did not seem to give enough independence to the colonies. D. they did not feel that they had been well represented at the Albany Congress. E. it placed too much power in the hands of local governments.

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NEMA’s usual service conditions include a frequency variation of not more than what percentage of the nameplate frequency?

a. 1% b. 5% c. 15% d. 20%

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A soft gasket will compress more than 20 percent.

Answer the following statement true (T) or false (F)

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An engine has a bore of 3.960 inches and a deck height of 0.012 inches. Find the deck height volume in cubic inches, and round to the nearest hundredth

A) 0.30 in^3 B) 0.59 in^3 C) 0.44 in^3 D) 0.15 in^3

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