A professional driver should expect a train to come through a highway-rail grade crossing _____.

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


at any time

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If you add shims to a longitudinal torque rod attached to the forward drive axle carrier in a tandem drive truck, which of the following will result?

A. only the working angles of the U-joints in the front driveshaft will change B. only the working angles of the U-joints in the rear driveshaft will change C. the working angles of the U-joints in both driveshafts will change D. no U-joint working angles will be affected

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Technician A says that some crankcase vent systems use a calibrated orifice instead of a PCV valve. Technician B says that turbocharged engines often use an oil/water separator in the PCV system. Which technician is correct?

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

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Many factory installed superchargers are equipped with a ________ that allows intake air to flow directly into the intake manifold bypassing the supercharger

A) Control valve B) Throttle control valve C) Wastegate D) Bypass valve

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When are seals without garter springs used?

What will be an ideal response?

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