A device commonly used for detecting refrigerant leaks is a(n) ____.
A. electronic leak detector
B. halide torch
C. soap bubbles
D. all of the above
Answer: D
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0.0154432 ÷ 2.413 = ?
A. ?0.0064 B. ?0.015625 C. 6.4 D. ?156.25
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Identical twins have the same genetic makeup but are genetically different from either parent
Indicate whether the statement is true or false
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Which of the following is NOT used to control the brightness of the instrument panel lamps?
A. Diodes. B. Potentiometers. C. Rheostats. D. Pulse width modulation.
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When using the stair-stepping method to install three-tab shingles, as described in the text, how many courses of shingles do you run before starting again with a full shingle?
A) 1 B) 2 C) 3 D) 4
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