Free Idaho CDL General Knowledge Practice Test 2022

You are looking for an actual Idaho CDL practice test source for your coming CDL test? So you have come to the right place. Our ID General Knowledge Practice Test has the same questions as the real exam which is based on the Idaho CDL manual. Our test covers most of the subject areas on the Idaho 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 pack 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 ID commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
ID CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
What is the minimum weight of a shipment of paper rolls that would require specific securement requirements?
2.
You are driving on a clear night. You must dim your headlights from high to low. You should adjust your speed so that you can stop within:
3.
What is the best way to prevent brake failure on long downgrades?
4.
Hydroplaning:
5.
Backing of the commercial vehicle is:
6.
As the blood alcohol concentration (BAC) goes up, what happens?
7.
If the cargo is fully contained in a sided vehicle, what is the minimum requirement for withstanding sideways force?
8.
There are three maximum limits you must follow at all times. Those limits are:
9.
Major signs of tire failure could include:
10.
A stake pocket is:
11.
In case of tire failure, you should do all of the following except:
12.
How many tiedowns are required on a stack of shortwood loaded crosswise?
13.
When securing rows of coils, requirements include all of the following except:
14.
What are the four basic weight limits?
15.
What does emergency braking mean?
16.
You must keep the papers about hauling hazardous materials:
17.
A chock is defined as:
18.
In case of brake failure, methods of stopping the vehicle include escaping into an open field, side street, or ramp, and:
19.
A securement system must be capable of resisting how much lateral (side-to-side) force, at minimum?
20.
Which of the following headlight issues can be hazardous?
21.
When driving through the work zone you should:
22.
The load carrying area of a truck, trailer, or intermodal container is referred to as the:
23.
What is the minimum securement requirement for paper rolls with eyes vertical with a width between 1.25 and 1.76 its diameter?
24.
Rust around wheel nuts may indicate what?
25.
Gross combination weight (GCW) is:
26.
Which of the following vehicles will have the longest stopping distance?
27.
Extra care is needed to keep your vehicle centered in your lane because commercial vehicles:
28.
What is the minimum allowable tread depth for every groove on the front tires?
29.
Which vehicle will have the most difficulty staying in its lane during strong wind?
30.
What is the minimum requirement for securing roll-off and hook containers?
31.
How far should a driver look ahead of the vehicle while driving?
32.
The maximum number of pull-ups allowed during the driving exam before failure is:
33.
Where should the ignition key be during the pre-trip inspection?
34.
Specific cargo securement rules on automobiles and light trucks apply to vehicles of what weight?
35.
Controlled braking:
36.
Based on the following figures, how much fuel can you legally add while remaining legal on the drive axles?

Percentage of fuel weight to drive axles: 30%

Weight Before Fueling: Steer: 11,275, drives: 33,750, gross: 77,220

37.
A tractor trailer traveling 55 mph will travel how far between when the brain perceives a hazard and stopping?
38.
A 'hook-lift container' is:
39.
Overall length limit on vehicles transporting machinery, poles, or structural objects is:
40.
If loading and securing paper rolls on a second layer:
41.
Sliding your trailer tandems toward the front or back of the vehicle will primarily change the weight distribution between which sets of axles?
42.
To avoid being blinded by glare when driving at night, drivers should:
43.
Which of these is true about mirror adjusting?
44.
Some suggestions for reducing stress and aggressiveness while driving might include all of the following except:
45.
What is the minimum WLL of a tiedown used to secure logs?
46.
Option #1 for securing coils transported with eyes lengthwise includes:
47.
In the following picture, what are axles 4 and 5 commonly referred to as?

48.
Among other hazards, drivers should be on the lookout for slow or confused drivers, children, accidents, and:
49.
According to the general rule, for how much space should you leave in front of your vehicle at speeds below 40 mph?
50.
On combination vehicles longer than 20 feet or wider than 80 inches, amber or yellow reflectors must be installed: