Vehicle Maintenance and Inspection Requirements Flashcards
6 cards from real FMCSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Vehicle Maintenance and Inspection Requirements flashcards as text
Which document must accompany a CMV that has passed its annual periodic inspection?
Answer: An inspection report or decal showing the inspection date
An inspection report or a decal must be kept on the vehicle as evidence it passed its most recent annual periodic inspection.
What is the maximum allowable brake lining thickness for a drum brake before it is considered defective?
Answer: Less than 1/4 inch at the thinnest point
Brake lining worn to less than 1/4 inch at the thinnest point is an out-of-service criterion under FMCSA rules.
Under FMCSA rules, a DVIR that shows no defects must be signed by:
Answer: The driver only
Even when no defects are found, the driver must sign the DVIR to certify the vehicle was inspected and found to be in satisfactory condition.
What is the FMCSA-required minimum tire pressure for CMV tires?
Answer: There is no federal minimum — manufacturer spec applies
FMCSA does not set a specific minimum psi; tires must be inflated to the manufacturer's recommended pressure per 49 CFR 393.75.
Which lighting defect would result in an out-of-service order for a CMV?
Answer: Required headlamp inoperative
An inoperative required headlamp is a Federal Out-of-Service criterion because it directly compromises safety.
How many days does a motor carrier have to correct a defect reported on a DVIR before operating the vehicle?
Answer: The defect must be repaired before the vehicle is operated again
A carrier must repair or certify the defect does not affect safety before the vehicle may return to service.