In a right triangle, the sum of the squares of two sides is equal to the square of the hypotenuse. This was discovered by a Greek named _____.
A. Hypotenuse
B. Right
C. Pythagoras
D. Cosine
Answer: C
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When troubleshooting a heat pump room thermostat, a jumper placed across subbase terminals R and Y will energize the _____.
a. reversing valve b. indoor fan relay c. compressor and outdoor fan motor d. electric heaters
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The energy of mass in motion is called ________
A) Potential energy B) Inertia C) Kinetic energy D) None of these
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What is a potential production impact of improper valve lineup?
A) Cross contamination B) Out of specification material C) Decomposition of material D) Added cost for cleanup
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The linear feet of baseboard molding (not including waste) needed to trim a 9' × 12' room is _____.
a. 21' b. 36' c. 42' d. 108'
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