For ordinary motors, the short circuit/ground fault protection for non-time-delay fuses are sized at what percentage of the motor full current?

a. 150%
b. 200%
c. 250%
d. 300%


d. 300%

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A penstock supply pipe has straight segments of 8 ft. 4 in., 15 ft. 7 in., 23 ft. 5 in., and 16 ft. 9 in.  The total length of straight pipe needed for this penstock is:?

A. ?62 ft. B. ?63 ft. C. ?63 ft. 9 in. D. ?64 ft. 1 in.

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Most fires are caused by ____

A) animals B) people C) lightning D) railroads

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Geothermal heat pumps use the ____________________ water as a heat source or a heat sink.

Fill in the blank(s) with the appropriate word(s).

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A closed center type of system will most likely feature this:

a. A gear pump b. A variable displacement pump c. An accumulator d. No relief valve

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