idaho
CDL Practice Test

0

Idaho! You will be presented with 40 questions and you must answer 34 questions correctly to pass.  There is a 50 minute time limit.  You may not go back once you answer a question.  Click the "Start Test" button below to begin.  Good luck!

1 / 40

You should turn off your engine when loading flammable liquid unless:

2 / 40

Where is compressed air stored?

3 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

4 / 40

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

5 / 40

You should check your tires every ____ or every ____ when driving in very hot weather.

6 / 40

If you are stopped on an incline, how can you start moving without rolling back?

7 / 40

Select the true statement about empty trucks:

8 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

9 / 40

An air system that is fully charged will typically have ___ psi of pressure.

10 / 40

There must not be more than_____for engine compartment belts.

11 / 40

Which of the following statements about "Radioactive" labels is true?

12 / 40

Never refuel your bus:

13 / 40

The trailer height is correct for connecting a converter dolly to a second or third trailer when:

14 / 40

Cargo tanks ____.

15 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

16 / 40

What can side to side surge cause?

17 / 40

The floor liner for explosives may not:

18 / 40

The most stable tanker shape is:

19 / 40

Select whether the following statement is true or false: Front wheel brakes are good to use in all conditions.

20 / 40

When a substance in the materials table is written in italics it means :

21 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

22 / 40

Overhead inside mirror is used to:

23 / 40

What does the amount of liquid allowed in the tank depend on?

24 / 40

What are spring brakes?

25 / 40

Which of these statements about speed management and braking is true?

26 / 40

Tires should should be replaced:

27 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

28 / 40

Select the true statement in regards to an application pressure gauge:

29 / 40

What school bus accidents should be reported?

30 / 40

What is the purpose of the supply pressure gauge?

31 / 40

You can be sure air is supplied to the second trailer by:

32 / 40

A tractor should not be backed under a trailer until the whole air system is:

33 / 40

What is most likely to occur when driving a set of doubles and a set of trailer wheels goes into a skid?

34 / 40

Select what you should do before leaving the vehicle unattended:

35 / 40

If you have to swerve to avoid a hazard, it's important to:

36 / 40

Select the factor that has no effect on how much liquid you can carry:

37 / 40

After coupling with a trailer, what position should the front trailer supports be in before driving away?

38 / 40

Another term for a smooth bore tank is:

39 / 40

How often should you check your cargo?

40 / 40

What is the service air line controlled by?

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CDL Category Practice Tests

CDL Practice Test

How To Get A idaho Commercial Drivers License

Applicants can be age 18 or older when applying for their CDL. Those under the age of 21 are not eligible for the Hazmat or Doubles/Triples Endorsement. All applicants must get a DOT medical card to shows their ability to be physically able to drive a commercial motor vehicle.

Any drivers that fall into the following categories are disqualified from receiving their CDL:

  • Having more than one driver’s license.
  • Being convicted of an impaired driving offense in a commercial vehicle within the prior 24 months to submitting the CDL application.
  • Current suspended, revoked, denied, or canceled driver’s license.
  • Having CDL disqualifications in other states.

All applicants are required to complete a practical skills test and knowledge test in order to receive their CDL. Adding endorsements to a CDL will require additional knowledge tests and practical skills tests.

Endorsements
T – Doubles / Triples
P – Passenger
N – Tank Vehicles
H – Hazardous Materials
X – Tank Vehicle That Carries Hazardous Materials

Hit the Open Road

idaho CDL License Test Tips

Applicants for an Idaho CDL must complete a written knowledge test to showcase their retention of the commercial driving laws. Class A drivers are required to take a 70 question assessment that includes 20 questions specifically about combination vehicles. Class B and C applicants are required to pass a 50 question assessment. Those seeking endorsements and removal of the Air Brake Restriction must take additional tests that range between 20 and 30 questions. All tests must be passed with a score of 80 percent or better.

CDL applicants are required to pass a three-part skills test. These parts include a driving test, basic control skills test, and vehicle inspection test. This can be completed at an Idaho State Driving Facility or other approved testing site.

Additional Information

Information on the Idaho Transportation Department

The Idaho Transportation Department administers the CDL requirements and testing in Idaho. To get more information contact them via:

Website: https://trucking.idaho.gov/commercial-drivers-license-cdl/

Phone:  208.334.8000

 

Additional Idaho CDL Helpful Links

Please use the links below to access more valuable Idaho CDL testing resources and to learn more about practice driving tests for the state of Idaho.