DOT DOT Out-of-Service Criteria & Enforcement 5

Question 1

A CMV tire has a visible cord or fabric through the tread area. Under CVSA OOS criteria, how many such tires must be found to place the vehicle out of service?

Accepted Answer

Any single tire with this condition is an OOS defect

Answer

A single tire with exposed cord or fabric in the tread area is an OOS condition regardless of axle position.

Question 2

During an inspection, a driver presents a medical examiner's certificate that expired 30 days ago. The driver has no valid replacement certificate. This situation results in:

Accepted Answer

An OOS order for the driver

Answer

Operating with an expired medical certificate is an OOS condition for the driver under 49 CFR 391.45.

Question 3

An inspector finds a placarded hazardous materials vehicle with a leaking package in the cargo area. The correct response is to:

Accepted Answer

Place the vehicle out of service and notify the appropriate hazmat authority

Answer

A leaking hazardous materials package requires immediate OOS action and notification of hazmat authorities.

Question 4

A vehicle is placed out of service at a roadside location that is unsafe for parking. Under CVSA guidelines, the inspector should:

Accepted Answer

Allow the driver to move the vehicle to the nearest safe parking area before the OOS takes effect

Answer

When an OOS location is unsafe, inspectors may allow the driver to move the vehicle to the nearest safe location before the order takes full effect.

Question 5

Which of the following correctly describes the CVSA North American Standard OOS Criteria for air loss rate on a combination vehicle (tractor-trailer) with the service brake fully applied?

Accepted Answer

Air loss exceeding 6 psi per minute is an OOS condition

Answer

For a combination vehicle with brakes applied, air loss exceeding 6 psi per minute is an OOS condition under CVSA criteria.

DOT Inspector Certification Practice Test

DOT Inspector Certification Practice Test

DOT DOT Out-of-Service Criteria & Enforcement 5