A(n) ____ºF temperature difference from the inside to the outside of the duct is considered the maximum difference allowable before insulation is necessary.
A. 10
B. 15
C. 18
D. 20
Answer: B
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The first law ever passed by Parliament for raising tax revenues in the colonies for the crown was the
A. Stamp Act. B. Declaratory Act. C. Townshend Acts. D. Quartering Act. E. Sugar Act.
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The ends of 1,000 kcmil conductors can be trimmed using _____.
a. scissors b. cable cutters c. pliers d. a cable reamer
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Direct current is described as _____.
A. omnidirectional B. unidirectional C. bidirectional
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According to the frequency domain concept, all periodic waveforms are made up of ____ waves.
A. sine B. square C. rectangular D. sawtooth
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