__________ indicates the amount of time on versus time off.
A. Frequency
B. Duty cycle
C. Resistance
D. Multiplexing
Answer: C
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A good circulating-type heater is only about one-third as efficient as a working fireplace.
Answer the following statement true (T) or false (F)
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Name the four parameters that affect comfort:
A. ________ B. ________ C. ________ D. ________
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____ law is useful in determining induced current direction in more complex machinery.
a. Fleming’s b. Edison’s c. Lenz’s d. Myer’s
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Boost pressure is generally measured in ________
A) Inches of mercury (in. Hg) B) Inches of water (in. H2O) C) Pounds per square inch (PSI) D) Inch pounds
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