FMCSA Vehicle Maintenance and Inspection Requirements

Question 1

Under FMCSA regulations, how often must a motor carrier inspect each commercial motor vehicle?

Accepted Answer

At least once every 12 months

Answer

Every 30 days

Answer

Every 90 days

Answer

Every 6 months

Question 2

What must a driver do if a vehicle defect is discovered during a pre-trip inspection?

Accepted Answer

Report it on the Driver Vehicle Inspection Report (DVIR)

Answer

Continue driving if defect seems minor

Answer

Fix it before submitting any paperwork

Answer

Notify the DOT immediately

Question 3

Which brake system component defect would place a CMV 'out of service' under FMCSA rules?

Accepted Answer

Brake pushrod travel exceeding adjustment limits

Answer

Slightly worn brake pads

Answer

A minor brake fluid leak inside the cab

Answer

Brake lights flickering intermittently

Question 4

Who is responsible for ensuring a CMV is in safe operating condition according to FMCSA?

Accepted Answer

Both the driver and the motor carrier

Answer

Only the driver

Answer

Only the motor carrier

Answer

The vehicle manufacturer

Question 5

How long must a motor carrier retain records of periodic vehicle inspections?

Accepted Answer

14 months

Answer

6 months

Answer

1 year

Answer

3 years

Question 6

What is the minimum tread depth required for front steering axle tires on a CMV under FMCSA regulations?

Accepted Answer

4/32 inch

Answer

2/32 inch

Answer

6/32 inch

Answer

8/32 inch