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

Alcohol evaporators in some air brake systems help to:

2 / 40

On a bus, you may sometimes haul small-arms ammunition, emergency shipments of drugs, or hospital supplies. The total weight of all such hazardous materials must not be greater than:

3 / 40

The baffles in a tank trailer help to control:

4 / 40

Select the true statement in regards to brake drums or discs:

5 / 40

What color are all school buses painted?

6 / 40

What is the safest way to stop unruly behavior on the bus?

7 / 40

Air tanks need to be drained:

8 / 40

Some city transit buses may have a brake-door interlock system, this system:

9 / 40

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

10 / 40

You are driving a 60 foot truck at 55 MPH, how much space (in seconds) should you keep in front of you?

11 / 40

The bus driver must accept responsibility for supervising and controlling students while on the bus route. Who is the person in charge?

12 / 40

The best way to test the low air pressure warning signal is to:

13 / 40

What are the three hazard classes should NOT be loaded into a trailer that has a heater air conditioner unit?

14 / 40

Upon what does the amount of liquid you can carry in a load depend?

15 / 40

The pintle hook should be_____ and the converter dolly air tank drain valve is___when doing a walk around inspection of a triple or double trailer.

16 / 40

How far away are you required to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?

17 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

18 / 40

Which seats not securely fastened to the bus are usually allowed?

19 / 40

You should place the starter switch key into your pocket while you are performing the pre-trip inspection because:

20 / 40

A disruptive passenger:

21 / 40

When inspecting the_____you pump the pedals 3 times and then hold it down for 5 seconds feeling for no movement to occur.

22 / 40

Which of the following statements about special danger of loading and unloading is true?

23 / 40

When must a driver’s inspection report be completed?

24 / 40

Which of the following is a key steering component?

25 / 40

What is most likely to occur when the front wheels begin to skid?

26 / 40

How do you secure a second trailer to your combination vehicle?

27 / 40

Liquid surge affects the handling of a tanker by:

28 / 40

When there is a hazardous materials emergency. You should:

29 / 40

Do not tow or push a disabled bus with riders aboard the vehicle, unless:

30 / 40

There should be ___space between the upper and lower fifth wheel after coupling.

31 / 40

This object releases the fifth wheel locking jaw to allow uncoupling.

32 / 40

A portable tank differs from a cargo tank in that ______.

33 / 40

Which of the following statements is FALSE:

34 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

35 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

36 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

37 / 40

When transporting both hazardous and non hazardous materials, your bills must:

38 / 40

The manual says you should look _____ ahead while driving.

39 / 40

A baffled tanker has:

40 / 40

A safe haven is ______.

Your score is

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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.