In an air-to-air heat pump, defrost is accomplished by _____.

a. placing the unit in the cooling mode
b. using electric heaters to warm the outdoor coil
c. running hot water over the outdoor coil
d. using electric heaters to warm the indoor coil


a. placing the unit in the cooling mode

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The frequency of motor lubrication depends on the type of bearing, motor application, and _____.

a. applied voltage b. service environment c. frequency of stops and starts d. motor size

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List and describe the common diseases and ailments of rabbits

What will be an ideal response?

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Which of these should never be used as windshield washer fluid?

A) 20 % Washer fluid and 80% water mixture B) Pure water C) 50 % Washer fluid and 50% water mixture D) Ethylene Glycol

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Given that F[f(t)] = (j/?)(e^(-j?) - 1), find the Fourier transforms of:

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