What is the most common form of auxiliary heat used in heat pumps?
A) Oil furnace B) Electric resistance strip heat
C) Electric boiler D) Gas furnace
B
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At sea level, the air pressure applied to every square inch of the Earth’s surface is roughly _____.
a. 14.7 psi b. 0 psia c. 27.68 in. w.c. d. 1.47 psia
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The type(s) of feature(s) in runout tolerance is (are) ____.
A. cylindrical B. cylindrical taper C. conical D. both a and c E. all of the above
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Which is the most widely used alternative fuel?
A) E85 B) CNG C) M85 D) Propane
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All of the welding symbols are used in conjunction with each other in a manner that will provide all the necessary information to perform the correct weld and ____.
A. color B. finish C. area D. temperature
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