The voltage measured directly across an open switch in a circuit will be:
A) half of applied voltage. B) unpredictable.
C) full applied voltage. D) 0 V.
C
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Combustible liquids have a flash point of _____.
a. 100°F or above b. 120°F or above c. 212°F or above d. 300°F or above
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Explain how laser light is produced.
What will be an ideal response?
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The window unit must be installed in such a manner that air can circulate across the ____ and not recirculate or high head pressures will result.
A. condenser B. evaporator C. compressor D. metering device
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When applying the principles of atmospheric pressure and vacuum:
A. Vacuum is pressure greater than atmospheric pressure B. A perfect vacuum is 30 in. Hg C. When air becomes colder, it expands and becomes lighter D. Atmospheric pressure at sea level is 14.7 psi
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