- Entry Level Driver Training Pre- and Post-Trip Inspections Questions and Answers Flashcards

What is the proper procedure for checking the air brake system during a pre-trip inspection?

Answer: Build air pressure, test low-pressure warning, check air leak rate, and test parking and service brakes

A complete air brake pre-trip check includes building full pressure, testing the low-pressure warning signal, measuring air leak rate, and testing both parking and service brakes.

What should you inspect about the lighting system during a pre-trip?

Answer: All lights including headlights, taillights, brake lights, turn signals, clearance lights, and reflectors

All lights must be checked: headlights (high and low beam), taillights, brake lights, turn signals, four-way flashers, clearance and marker lights, and all reflectors must be clean and visible.

Why is it important to check the fifth wheel during a pre-trip inspection?

Answer: An improperly locked or damaged fifth wheel could cause the trailer to separate from the tractor

The fifth wheel is the critical connection between the tractor and trailer. An improperly secured or damaged fifth wheel could cause catastrophic trailer separation.

During a walk-around inspection, what should you check on the vehicle frame and body?

Answer: Frame cracks, loose cross members, body damage, and proper mounting of components

The frame and body inspection includes checking for cracks or bends in the frame rails, loose or missing cross members, body damage, and proper mounting of fuel tanks, battery boxes, and other components.

What steering system components should be checked during a pre-trip inspection?

Answer: Steering wheel play, power steering fluid, hoses, and linkage components

Steering inspection includes checking steering wheel free play (no more than 10 degrees for power steering), power steering fluid level, hose condition, and all steering linkage components for wear or damage.

How should you document defects found during a pre-trip inspection?

Answer: Record them on the DVIR and report to the carrier; do not drive if defects affect safe operation

Defects must be documented on the DVIR and reported to the carrier. If any defect affects safe operation, the vehicle must not be driven until the defect is repaired.