When doing a standard service entrance calculation, if a residence has four fixed appliances, a demand factor of __________% is applied to the total load of these appliances.
a. 50
b. 75
c. 80
d. 100
b. 75
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Where would you most likely find a thermocouple pyrometer on a current highway diesel engine?
A. 12-inches downstream from the turbo B. diesel particulate filter (DPF) C. exhaust gas recirculation (EGR) heat exchanger D. selective catalytic reduction (SCR) circuit.
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Exhaust back pressure of an engine running at idle should be ________
A) 2.5 in. Hg B) 1.5 in. Hg C) 2.5 PSI D) Less than 1.5 PSI
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Power window motors spin clockwise or counterclockwise, depending on the ____________________ of the power and ground supplied to the motor.
Fill in the blank(s) with the appropriate word(s).
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The chemical combination of two or more elements is called a(n) ____.
A. mixture B. compound C. molecule D. atom
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