CDL General Knowledge Practice Test – Part 6

When should you wear seat belts?

Which of these can cause the vehicle to skid?

Which of these statements about certain types of cargo is true?

Truck escape ramps:

For an average commercial vehicle, being driven at 55 MPH on dry pavement it will take about ____ to bring the vehicle to a stop.

You are driving a vehicle that could safely be driven at 55 MPH on an open road. But traffic is now heavy, moving at 35 MPH although the speed limit is 55. The safest speed for your vehicle in this situation is most likely:

Which of these describes how you should use the brake pedal on a steep downhill grade?

Which of these statements about backing a heavy vehicle is true?

Every time you park your vehicle and shut the engine off you should:

The most common cause of serious vehicle skids is:

You do not have a hazardous materials endorsement on your commercial drivers license. When can you drive a vehicle hauling hazardous materials?

What is counter steering?

High beams should be:

Where or when should you test the stopping action of your service brakes?

Which of these pieces of emergency equipment should be carried at all times in your vehicle?

An en-route inspection should include checking:

When roads are slippery, you should:

You are driving a new truck with a manual transmission. What gear will you probably have to use to take a long downhill grade?

Stab braking:

While driving, you see a small (1 foot square) cardboard box ahead in your lane. You should: