Five gallons of water flows through ?a heat exchanger and gives up 880 Btu of heat.  The temperature of the water  has decreased:

A. ?22°F
B. ?110°F
C. ?176°F
D. ?220°F


Answer: A

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A geothermal well costs $1,485 to drill.  Casing for the well costs $162.  Tubing put into the well costs $179.  What is the cost of this entire system??

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

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When the low air pressure warning light or buzzer comes on you should

Air Brake

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The cylinder holes are called ________

A) Barrels B) Stroke C) Bores D) Rounders

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A civil drafter estimates that a parcel of land contains 14,200 square feet. When surveyed, the parcel of land contains only 13,850 square feet. Find the percent to the nearest tenth percent of accuracy of the estimate.

What will be an ideal response?

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