Idaho CDL Permit Test - Passenger

A retarder is a device that helps to slow a vehicle, reducing the need for a driver to use the brakes. However, these devices can be noisy and are not permitted everywhere.

It is essential to the safe operation of a CMV that cargo be properly loaded. Improper loading can affect handling and damage the vehicle. Additionally, improperly loaded materials can cause injury or death by falling off of the vehicle.

In some vehicles, it may be necessary to leave the engine running when checking the automatic transmission fluid level.

When doing a pre-trip inspection on a vehicle with power steering, be sure to check the hoses, pumps, and fluid level. In particular, you should check the hoses for leaks.

You must have a hazardous materials endorsement to transport any hazardous materials that require the vehicle to be placarded.

Empty trucks require longer stopping distances than full trucks because they have less traction available.

An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.