This general knowledge CDL 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.

General Knowledges Test 02

1 / 30

When you park a large vehicle, try to leave it so that when you leave you will...?

2 / 30

When driving at highway speed, you should be planning ahead for about...?

3 / 30

On a one way or divided highway, warning devices should be placed at what intervals towards the approaching traffic?

4 / 30

When descending a hill, you should usually shift down into...?

5 / 30

As you drive, you should be looking ahead to the place where you will be in...?

6 / 30

If your vehicle is of a type which requires a convex mirror on the front of the vehicle, it must be adjusted so you can see all points 1 foot in front of the vehicle to a horizontal line how far above the road?

7 / 30

Once the brakes are applied to a heavy vehicle traveling at 55 mph on dry pavement, it will take around how long to stop?

8 / 30

When reversing, you should always try to use...?

9 / 30

If your vehicle is equipped with braking retarders, you should switch them off...?

10 / 30

On a manual vehicle, when you apply the brakes you should push the clutch in...?

11 / 30

In heavy vehicles with manual transmissions which require double clutching, which of the should you do first when shifting gears?

12 / 30

Before you reverse, you should...?

13 / 30

The total minimum distance your vehicle will travel between a hazard appearing and coming to a complete stop from 55 mph in ideal conditions is...?

14 / 30

The best vision of where you are going when reversing is obtained by...?

15 / 30

When making a lane change, you should use your mirrors...?

16 / 30

If you are about to slow down, you should warn drivers behind by...?

17 / 30

If you are forced to stop on a road or the shoulder, you must deploy your emergency warning devices within what time of stopping?

18 / 30

How long does it take the average alert driver to hit the brakes once s/he has identified a hazard?

19 / 30

You should signal other drivers to pass...?

20 / 30

If you change gear according to your engine speed, you should monitor your...?

21 / 30

You should hold the steering wheel firmly when driving with your hands in which of these clock positions?

22 / 30

If your vehicle is equipped with braking retarders, you should not use them...?

23 / 30

The average perception time (time taken to identify a hazard) for an alert driver is one and three-quarter seconds. At 55 mph, how far will you travel in this time?

24 / 30

When passing another vehicle, pedestrian or bicyclist, you should assume that they don't see you...?

25 / 30

Multispeed rear axles and auxiliary transmissions are usually controlled via...?

26 / 30

If you have to pull off the road and stop at the side, you should turn on...?

27 / 30

When making a turn, you should turn off your signal...?

28 / 30

You must place a warning device over the brow of a hill or around a curve if you are stopped and a person coming from that direction would not have a clear view of your vehicle from how far away?

29 / 30

If your vehicle has curved (also called convex, fisheye, spot, bugeye) mirrors, you must remember that objects will appear...?

30 / 30

In city driving, you should be planning ahead for a distance of about...?

Your score is


What Are the Requirements?

There are several federally mandated requirements that you will have to meet before being issued a CDL. These requirements were put in place to protect not only you the applicant but to others as well that will be sharing the roadway with you.• You must hold a commercial learner’s permit for no less than 14 days. • You must be able to provide a commercial vehicle of the same type in which you plan to test with. • You must take and pass a three-part CDL test which includes vehicle inspection, basic controls test, and a road test. • Additionally, to get a commercial learner’s permit, you will need to obtain a driving record and a medical examination.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.