CLP Pre-Trip Vehicle Inspection 2

Question 1

When inspecting the steering system during a pre-trip inspection, what should you check for on the steering wheel itself?

Accepted Answer

Cracked or broken spokes

Answer

Excessive play of more than 10 degrees

Answer

Steering wheel diameter over 18 inches

Answer

Loose horn button

Question 2

During a pre-trip inspection, how should you test the low air pressure warning signal?

Accepted Answer

Fan off air pressure by pressing the brake while the engine is off

Answer

Step on the brake pedal firmly three times

Answer

Rev the engine to 1500 RPM while observing the gauge

Answer

Turn the ignition to accessory mode only

Question 3

What is the minimum tread depth required for front tires on a commercial vehicle?

Accepted Answer

4/32 inch

Answer

2/32 inch

Answer

6/32 inch

Answer

8/32 inch

Question 4

During an engine compartment check, you notice the oil level is between the ADD and FULL marks. What should you do?

Accepted Answer

This is acceptable — drive the vehicle

Answer

Add oil immediately before driving

Answer

Report it as a defect and refuse to drive

Answer

Check the oil again after driving 10 miles

Question 5

What should you check when inspecting the exhaust system during a pre-trip?

Accepted Answer

Loose, broken, or missing clamps or pipes

Answer

Exhaust temperature

Answer

Color of exhaust smoke at idle

Answer

Exhaust pipe length relative to the cab

Question 6

Which of the following is NOT part of the in-cab inspection during a CDL pre-trip?

Accepted Answer

Inspecting the fifth wheel locking mechanism

Answer

Testing the horn

Answer

Checking that mirrors are properly adjusted

Answer

Verifying the parking brake holds

Question 7

When checking the battery during a pre-trip inspection, what are you looking for?

Accepted Answer

Secure mounting, no cracks, and no corrosion on terminals

Answer

Battery voltage using a voltmeter

Answer

Battery temperature using an infrared thermometer

Answer

Date of last battery replacement