What type of detector should be used if a technician is looking for a refrigerant leak in a closed space?
A) Fluorescent dye leak detector B) Electronic sight glass
C) Electronic leak detector D) Ultrasonic-type leak detector
C
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The type of schematic diagram used to describe motor-control circuitry is often referred to as a ladder diagram or ____ ladder logic.
a. internal b. motor c. control d. relay
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Closed-cell foam, which is installed at a rate of approximately ____ lb/ft3, has a high R-value and very low vapor-permeability.
A. 0.5 B. 1.2 C. 2 D. 5
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Most of the benefits of heterosis are associate with carcass traits.
Answer the following statement true (T) or false (F)
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Noise pollution from tractor-trailers is often as impactful as air pollution.
Answer the following statement true (T) or false (F)
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