A coolant mix of 50/50 antifreeze and water will freeze at ________ degrees F.

A) -34
B) 0
C) -84
D) 32


A) -34

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A heat pump is to deliver 59 kW of heat to a warm space, while using 15 kW of power. Determine the coefficient of performance of the heat pump.

Given: Q?H = ?59 kW; W? = ?15 kW What will be an ideal response?

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When drawing a concrete slab foundation layout, the size of the chimney should be drawn based on the measurements from the ____.

A. site plan B. foundation plan C. site map D. framing plan

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The roof plan and roof framing plan usually show very few dimensions. Only the overhangs and openings are dimensioned. If no dimensions are given, the size of the overhangs may have been specified in note form.

Answer the following statement true (T) or false (F)

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The purpose of an evaporator in the refrigeration cycle is to _____

a. make sure no liquid gets into the compressor b. transfer heat from the air to the refrigerant c. transfer heat to the outdoors d. provide a pressure drop

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