In a properly operating system, the evaporator temperature is about _____________
A) 25 deg. F
B) 30 deg. F
C) 32 deg. F
D) 35 deg. F
C) 32 deg. F
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The first tack weld on a 90-degree ell should be at the _____ position.
a. 3 o'clock b. 6 o'clock c. 9 o'clock d. 12 o'clock
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The highest current draw is at locked-rotor (zero RPM) speed for NEMA Design B motors, and does not start to drop off significantly until the rotor reaches ____ full-load speed.
a. 70-75% b. 80-85% c. 90-95% d. 100%
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Un transformador tiene 200 vueltas en el primario, 150 vueltas en el secundario y 120VAC aplicados al primario. El voltaje en el secundario es:
a. 90V. b. 100V. c. 110V. d. 120V
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A typical drum brake uses how many hold-down springs?
A) 6 B) 4 C) 2 D) 1
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