Technician A says that backup sensors use LEDs to detect objects. Technician B says that a backup sensor will not work correctly if the paint is thicker than 0.006 inch. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician


B

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Figure 41-7   In the accompanying figure, what is the function of load contacts 1M?

What will be an ideal response?

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In the process of qualifying and certifying the WPS, if the test samples do not pass the applicable test, ____.

A. the WPS is discarded and a new one is written B. the WPS parameter values are changed as feasible, and the samples rewelded C. make sure the samples were welded by a welder certified for the process D. the test samples are submitted in any event

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For each 12,000 Btu/h capacity, a water-cooled condensing unit and cooling tower combination will circulate approximately ____________________ GPM through the condenser.

Fill in the blank(s) with the appropriate word(s).

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The pressure measured in the exhaust system should not be more than ________ PSI

A) 2.5 B) 14.7 C) 21 D) 1.5

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