Free New Jersey CDL General Knowledge Practice Test 2022

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our NJ General Knowledge Practice Test has the same questions as the real exam which is based on the NJ CDL Manual. Our CDL practice test pack covers most of the subject areas on the New Jersey General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our CDL Practice Test NJ will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2022 NJ commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NJ CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
Which of these is not part of the pre-trip inspection of the engine compartment?
2.
Which of these is the best general rule for night driving?
3.
What does HOS stand for?
4.
"According to the driver’s manual, why should you limit the use of your horn?"
5.
Which of these statements about alcohol is NOT true?
6.
When using stab braking, all of the following are steps except
7.
If the cargo is fully contained in a sided vehicle, what is the minimum requirement for withstanding sideways force?
8.
A stack of shortwood loaded lengthwise can be secured with one tiedown if:
9.
Is there a 14 hour rule violation on Day 2?
Day 1

Day 2
10.
Instead of stopping in an emergency, what is many times the safer action?
11.
When loading and securing a boulder, it should be:
12.
In cargo securement, a wedge is defined as:
13.
What is true about using a heater?
14.
Which of the following statements about speed management is true?
15.
All of the following are key parts of the steering system except:
16.
A left-hand turn should end:
17.
All of the following are lighting requirements for combination vehicles longer than 20 feet or wider than 80 inches except:
18.
You're loaded heavy with 1/2 tank of fuel onboard. Using the following numbers, where should you move the 5th wheel to get it setup properly?

steer axle: 12,300 pounds
drive axles: 33,100 pounds
Weight transfer: 500 pounds per hole
19.
When shifting you should do all of the following except:
20.
There are two types of jackknife, they are:
21.
In cargo securement, bracing is:
22.
If you cannot see the driver of a vehicle, then:
23.
Rust around wheel nuts may indicate what?
24.
What are most front-wheel skids caused by:
25.
When securing a non-cubic boulder with an unstable base, the four surrounding chains must have a WLL of at least:
26.
Every time you pull off the expressway to take a break, you use about how much time off your 11-hour driving limit?
27.
Gross combination weight (GCW) is:
28.
Which of these is a good thing to do when steering to avoid a crash?
29.
In addition to preventing engine freezing, proper coolant levels help:
30.
When confronted with an aggressive driver, you should do all of the following except:
31.
When loading a trailer, if the cargo is loaded all to the rear, it may result in:
32.
Drivers of trucks and tractor-trailers with cargo must check that the cargo is well secured within the first ___ miles of the trip.
33.
A friction mat is used to:
34.
The best way to keep brakes from getting too hot while going down long grades is to:
35.
How far should a driver look ahead of the vehicle while driving?
36.
Which statement about EOBR's is true?
37.
Which statement is true?
38.
When changing lanes, put you turn signal on, and:
39.
You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:
40.
Which of the following are covered by the specific log securement requirements?
41.
A DUI conviction for a CDL-holder will result in disqualification for a minimum of:
42.
The distance that you should look ahead of your vehicle while driving is about __ at low speed.
43.
What is the maximum angle recommended for tiedowns securing cement pipe loaded crosswise, relative to the deck?
44.
A major safety concern of a broken or faulty exhaust system is:
45.
Using the following numbers for your calculations, how much weight will come off your drive axles?

Miles per gallon: 6

Miles travelled: 360

Percentage of fuel weight on drive axles: 30%
46.
You receive a scale ticket and your drive axles are 35,400 and your trailer tandems are 31,100. Based upon the two most common tandem slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and in which direction?
47.
Which of these is true about mirror adjusting?
48.
You should try to avoid driving in fog:
49.
When securing concrete pipe up to 45 inches loaded crosswise, tiedowns through the pipe must be:
50.
On combination vehicles longer than 20 feet or wider than 80 inches, amber or yellow reflectors must be installed: