Most digital ohmmeters have an audible tone to indicate a closed or low-resistance circuit, making them useful for performing ___
a. continuity tests
b. polarity tests
c. voltage tests
d. frequency tests
a. continuity tests
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Barometric pressure of 14.7 psi is equivalent to:
A. 1 bar B. 1 atmosphere C. 100 kPa D. All of the above
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____ are installed in holes that are drilled or punched in framing members.
A. Bolts B. Rivets C. Screws D. Nuts
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________ is a model that determines the time required for germination to start based on temperature.
Fill in the blank(s) with the appropriate word(s).
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How does an energy-recovery wheel improve system efficiency?
A) By keeping the evaporator clean B) By moving some of the system refrigerant with a turbulator C) By reducing the condenser head pressure D) By transferring heat between the ventilation air and the exhaust air
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