CDL Practice Test: Video 6 Answers (25 Questions)

Question 1

Overloading your vehicle can have bad effects on your ________.

Accepted Answer

All of the listed answers.

Answer

Overloading a commercial vehicle significantly impairs its performance and safety. It reduces braking effectiveness, making it harder to stop, negatively impacts speed control, especially on grades, and compromises steering ability, making the vehicle less stable and harder to maneuver. All these factors increase the risk of an accident, making 'All of the listed answers' correct.

Question 2

You must have a CDL to operate ________.

Accepted Answer

180

Answer

The correct answer '180' days refers to the suspension period for certain serious CDL violations, such as a second violation of an out-of-service order within a 10-year period. It can also apply to a first out-of-service violation if transporting hazardous materials or operating a vehicle designed for 16 or more passengers. This penalty enforces strict adherence to safety regulations and ensures drivers comply with mandatory rest periods or vehicle repair requirements.

Question 3

While driving, the driver of hazardous materials should wear a seat belt and the shipping papers should be ________.

Accepted Answer

Within reach at all times.

Answer

For safety and regulatory compliance, a driver transporting hazardous materials must always wear a seat belt. Additionally, the shipping papers containing vital information about the hazardous cargo must be kept within immediate reach at all times while driving. This ensures that in an emergency, the driver or first responders can quickly access critical details about the materials being transported.

Question 4

If your transit bus is equipped with a handicap lift, it is important that you check for ______.

Accepted Answer

All of the listed answers.

Answer

For transit buses equipped with handicap lifts, a comprehensive inspection is vital for passenger safety and proper operation. Drivers must check for leaking parts (e.g., hydraulic fluid), missing components, and any damaged parts that could compromise the lift's integrity or function. Ensuring the lift is in perfect working order prevents breakdowns and ensures accessibility for passengers with disabilities.

Question 5

The minimum tread depth for steering axle tires should be _____.

Accepted Answer

4/32.

Answer

The minimum tread depth for steering axle tires is 4/32 of an inch. This specific depth is mandated by federal regulations to ensure adequate traction and control, especially in wet conditions. Tires with less tread depth on the steering axle significantly compromise steering ability and increase the risk of hydroplaning, making this a critical safety requirement.