General Knowledge Practice Test – 04

This general knowledge practice test will examine your knowledge of general trucking, safe transportation of cargo, safe driving, and the correct way to perform a pre-trip vehicle inspection. In order to receive your CDL, it is required that you pass the state’s official CDL General Knowledge exam.

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The best lights to use in foggy conditions are...?

Question 1 of 30

If an oncoming driver has drifted to your lane, the best thing to do is...?

Question 2 of 30

When going downhill, brakes will start to fade if...?

Question 3 of 30

Which of these is not an essential at the scene of a crash?

Question 4 of 30

ABS systems only operate when...?

Question 5 of 30

In very hot weather, you should inspect your tire pressures every...?

Question 6 of 30

ABS systems will be present on all commercial vehicles built after March 1...?

Question 7 of 30

A typical tractor-trailer unit takes at least how long to clear a double track railroad crossing?

Question 8 of 30

In slippery conditions, you should aim to be...?

Question 9 of 30

If you have been forced to leave the road and have to return to it before you can stop, you should...?

Question 10 of 30

Which of these is a sign that you have lost hydraulic brake pressure?

Question 11 of 30

If your ABS system fails, you should...?

Question 12 of 30

You should not move a severely injured person at a crash scene unless...?

Question 13 of 30

The vast majority of truck skids are caused by...?

Question 14 of 30

When crossing a railroad track, you should never...?

Question 15 of 30

Brakes are more likely to experience fade if...?

Question 16 of 30

On older brake systems, the ABS lamp may stay on until you reach a speed in excess of...?

Question 17 of 30

The best thing to do if you lose your brake power on a downhill is to...?

Question 18 of 30

You're driving a rig on which only the trailer, not the tractor, has ABS. What should you do?

Question 19 of 30

If you suspect a front tire failure, you should...?

Question 20 of 30

If you stop to help others at a crash in which you were not involved, you should park...?

Question 21 of 30

Which of these has priority at a railroad crossing which has neither gates nor lights?

Question 22 of 30

Your 'safe' speed on a downgrade is...?

Question 23 of 30

If you are returning to the road after being forced off, as soon as the front tires are on the pavement, you should...?

Question 24 of 30

When traveling at your 'safe' speed, you should be able to reduce your speed by 5 mph by applying the brakes for...?

Question 25 of 30

A yellow cross on the pavement marked with the letters RR means...?

Question 26 of 30

If you have ABS brakes, your braking should be...?

Question 27 of 30

It is safe to remove the radiator cap for checks in hot conditions...?

Question 28 of 30

If you are forced to leave the pavement completely, you should avoid using your brakes until your speed has dropped to around...?

Question 29 of 30

If you have no alternative but to drive through standing water, you should do so...?

Question 30 of 30


 

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Steps to Get A CDL

Now that you know that you are eligible to receive a CDL and you know the requirements, let’s learn more about the steps on how to get it. These steps will help guide you in the right direction. Below are five steps to get your CDL.

Obtain a study guide: Once you have decided that you want to obtain a CDL and you feel that you meet all the requirements above, you will need to do your homework. Obtain a free CDL study guide from your local DMV and familiarize yourself with its contents, also, take our general knowledge practice test here.

There are three types of CDL classes that determine the type of vehicle you may drive and how much you may tow. A Class A CDL class allows you to operate a vehicle with a GCWR of 26,001 if the vehicle you tow weighs more than 10,000 and a Class B CDL allows you to operate a vehicle with a GVWR of 26,001 or more pounds or operate any vehicle towing another vehicle that weighs less than 10,000 GVWR. With a Class C CDL, you can operate a Class C vehicle that transports hazardous materials.

Practice CDL General Knowledge Test 04
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