Why has the use of halide torches in leak detection decreased in popularity?
A) It has harmful environmental implications. B) It has been banned by many states.
C) It is a very expensive method. D) It does not work with most modern refrigerants.
D
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When alternators are connected in parallel, the phase rotation of the alternator and the distribution bus must be ____.
A. 90 degrees out of phase B. 120 degrees out of phase C. 180 degrees out of phase D. the same
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What is "Calibration?
What will be an ideal response?
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Construction lines are thin lines that are drawn __________ on the plans.
Fill in the blank(s) with the appropriate word(s).
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NEC Article 240 covers which of the following?
A) Ampere rating B) Overcurrent protection C) Nontime-delay fuses D) Plug fuses
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