Which of the following lubricants is recommended for cab door locks?

A. chassis grease
B. engine oil
C. dry graphite
D. penetrating oil


Answer: C

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When installing replacement tires:?

A. ?Snow tires can be a different type or size than the original tires on the vehicle. B. ?If the tire size is different than the original tire size, antilock brake system operation can be adversely affected. C. ?A four-wheel-drive vehicle can have different size tires on the front and rear wheels. D. ?Different tire sizes can be installed on the same axle.

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238.237 - 190.30 x 0.372 + 32.9303 x 2 = ____. Round to two decimal places.

A. 190.38 B. 233.31 C. 233.30 D. 101.53

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When stacking pipe, pipefitters separate layers of pipe with _____.

a. styrofoam blocks b. concrete supports c. timbers d. tarps

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A power factor of 1 indicates that the circuit phase angle is ________

A) 45° B) 90° C) 180° D) 0°

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