Which type of engine-driven AC generator is commonly used as a standby system because they have a longer life and require less maintenance?

a. Diesel-powered
b. LP gas-powered
c. Liquid-cooled
d. Air-cooled


a. Diesel-powered

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Water being used and recycled again and again is _____

a. carcinogenic c. the aqua cycle b. the hydrological cycle d. the sediment cycle

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As the indoor wet-bulb temperature increases, the required superheat:

A) Increases. B) Decreases. C) Indoor wet-bulb temperature does not affect superheat. D) Stays the same.

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An RC lag network is similar to a:

A) stop pass filter. B) band pass filter. C) low pass filter. D) high pass filter.

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IP stands for ____________________.

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

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