The air brake leakage rate for a combination vehicle (engine OFF, brakes OFF) should not be more than ______ psi per minute.

a. 1/2
b. 2
c. 3


c. 3

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¿En qué parte de NEC® encontrará las definiciones relacionadas con ubicaciones peligrosas?

a. NEC® Artículo 500 b. NEC® Artículo 525 c. NEC® Artículo 550 d. NEC® Artículo 555

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Air core transformers are ____.

A. efficient B. inefficient C. as efficient as iron/steel core transformers D. about 30 percent efficient

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Eyes can be damaged by improperly shielded when you use:

What will be an ideal response?

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Current in an electrical circuit is measured in __________.

A. volts B. ohms C. amps D. microfarads

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