Instructions

Knowledge Test Class A

This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three possible answer choices. Test questions come from the Rhode Island Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.

Number of Question 50

Passing Score 40

1. Hanging meat in a refrigerated truck:

Is a good way for inexperienced drivers to gain experience.

Requires a skilled driver.

Is illegal in most states.

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.

2. When you are about to start down a hill, you should switch into a ____ gear.

Higher

Faster

Lower

Before starting down a hill, be sure to switch into a low gear. Gravity will increase your vehicle's speed as you travel downhill.

3. Backing with a trailer is dangerous because:

It is difficult to see behind the vehicle.

Most trucks do not have the ability to move in reverse.

Cargo may fall out of the trailer.

Backing a truck is always dangerous because the driver may not be able to see everything behind them. CMV operators should avoid backing whenever possible.

4. When transporting cargo, drivers must check the securement of the cargo every:

10 miles.

150 miles.

500 miles.

The securement of cargo must be checked within the first 50 miles of a trip, and then again every three hours or 150 miles.

5. While driving, ____ generally holds spring brakes in place.

Air pressure

Electricity

Gasoline

While driving, spring brakes are generally held in place by air pressure. If the air pressure gets low enough, the springs will activate the brakes.

6. Braking mechanisms are located inside:

The fifth wheel.

A brake drum.

The landing gear.

Drum brakes are attached to the wheels and located on the axles of a vehicle. The braking mechanisms that cause the vehicle to stop can be found inside of a drum brake.

7. One way to prevent hydroplaning on wet road surfaces is to:

Ensure that your tires have good tread depth.

Under-inflate your tires.

Drive faster than usual.

When driving on a wet road surface, the risk of hydroplaning is increased if your tire pressure is too low or your tire tread is too worn. If you begin to hydroplane, release the accelerator and push in the clutch to slow down.

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