CFSP Vehicle Maintenance & Inspection

Question 1

Under FMCSA regulations, how often must a commercial motor vehicle undergo a periodic inspection (annual inspection)?

Accepted Answer

Every 12 months

Answer

Every 6 months

Answer

Every 18 months

Answer

Every 24 months

Question 2

Which FMCSA regulation part governs inspection, repair, and maintenance of commercial motor vehicles?

Accepted Answer

49 CFR Part 396

Answer

49 CFR Part 382

Answer

49 CFR Part 391

Answer

49 CFR Part 395

Question 3

A driver discovers a defect during a pre-trip inspection that renders the vehicle unsafe to operate. What is the correct action?

Accepted Answer

Complete the DVIR, tag the vehicle out of service, and notify maintenance

Answer

Note it on the DVIR and complete the trip at reduced speed

Answer

Report it verbally to dispatch and proceed cautiously

Answer

Skip the DVIR and immediately contact a mechanic

Question 4

What is the minimum brake lining thickness that triggers an out-of-service condition for a front steering axle air brake on a commercial vehicle?

Accepted Answer

1/8 inch

Answer

1/16 inch

Answer

1/4 inch

Answer

3/8 inch

Question 5

Which document must a motor carrier retain to demonstrate that a periodic inspection was completed on each vehicle?

Accepted Answer

Annual inspection report or equivalent documentation

Answer

Bill of lading

Answer

Driver's daily log

Answer

Load manifest

Question 6

When inspecting tire condition during a pre-trip inspection, which finding would require the vehicle to be placed out of service?

Accepted Answer

Tread depth of 2/32 inch on a front steer tire

Answer

Tread depth of 4/32 inch on a front steer tire

Answer

Tread depth of 5/32 inch on a rear drive tire

Answer

Minor sidewall scuffing with no exposed cords

Question 7

How long must a motor carrier retain Driver Vehicle Inspection Reports (DVIRs) that contain no defects?

Accepted Answer

90 days

Answer

30 days

Answer

60 days

Answer

180 days