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

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

2 / 40

To maintain alertness during the trip, drivers should:

3 / 40

If you are required to stop at railroad crossings, you must:

4 / 40

How do you supply air to the trailer tanks?

5 / 40

To find out if a shipment includes a hazardous material, you should:

6 / 40

The most stable tanker shape is:

7 / 40

It is very important that you never smoke around which hazard classes?

8 / 40

Select the vehicle that off-tracks the most.

9 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

10 / 40

Buses may NOT have recapped or regrooved tires:

11 / 40

The trailer should be lowered so that _____.

12 / 40

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

13 / 40

With the controlled braking method, you _____?

14 / 40

Select the true statement about empty trucks:

15 / 40

What does the air compressor governor control?

16 / 40

Which of these statements about signaling is correct?

17 / 40

Select the true statement in regards to driving a truck with triple or double trailers:

18 / 40

Your engine runs a pump when you are delivering compressed gas. Should you turn off your engine before or after you unhook the hoses after finishing that delivery?

19 / 40

What is a supply pressure gauge used for?

20 / 40

Select the true statement in regards to stopping distance and speed:

21 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

22 / 40

Remember to_____when steering to avoid a crash while driving doubles.

23 / 40

Your rig should be parked on__to uncouple double trailers.

24 / 40

When does your vehicle's single brake system need an adjustment?

25 / 40

How should you know when to shift?

26 / 40

When driving tank vehicles you should:

27 / 40

What is the purpose of the supply pressure gauge?

28 / 40

What school bus accidents should be reported?

29 / 40

For emergency braking when driving a double trailer and having to use your brakes to avoid a collision is to:

30 / 40

What are you checking when looking at the lubrication level on a dipstick?

31 / 40

If you do become sleepy while driving, you should _____.

32 / 40

You should check the_____when loading small tanks equipped with bulkheads.

33 / 40

Select the true statement in regards to a converter dolly:

34 / 40

You should decrease to a safe speed before entering a curve and then_____through it.

35 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

36 / 40

Select the answer that is not a part of the braking process when driving a tractor-trailer combination vehicle that has ABS:

37 / 40

You should adjust all the outside left and right side convex mirrors to see:

38 / 40

The manual says you should look _____ ahead while driving.

39 / 40

Why is the proper adjustment and use of all mirrors so vital to the safe operation of the school bus?

40 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

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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.