Vehicle InspectionQuestion 21 of 120

Which item is checked as part of the in-cab portion of the pre-trip inspection?

a.Slack adjuster travel at each wheel
b.Gauges, warning lights, wipers, horn, mirrors, and emergency equipment
c.Kingpin wear on the trailer
d.Tread depth on the drive tires

Explanation

The in-cab step covers instruments, warning lamps and buzzers, wipers, horn, mirror adjustment, seat belt, and the presence of emergency equipment. Slack adjusters, the kingpin, and tire tread are all checked outside during the walkaround.

Practice all 120 questions free — no signup required.

Related questions on this topic

Last reviewed: · editorial process

PrepPass Editorial Team · Verified against Commercial Driver's License (CDL) General Knowledge Test · How we review
Report