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

What handling effect will baffles have?

2 / 40

Which of the following will confirm that you are driving with anti-lock brakes?

3 / 40

What is the best way to figure out how many seconds of following distance you have?

4 / 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:

5 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

6 / 40

Select the factors that can cause your brakes to fade or fail:

7 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

8 / 40

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as.

9 / 40

What position should the heaviest trailer be in when pulling 3 trailers?

10 / 40

The air leakage rate for a combination vehicle should not exceed ____psi a minute.

11 / 40

Air tanks should be drained:

12 / 40

Which contains more alcohol: a 12-ounce glass of 5% beer, a 5-ounce glass of 12% wine or a 1 1/2-ounce shot of 80 proof liquor?

13 / 40

If you double your speed, what will happen to your stopping distance?

14 / 40

Which of the following would NOT be part of a standard vehicle inspection?

15 / 40

Select the false statement about tractor protection valves.

16 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

17 / 40

The manual says you should look _____ ahead while driving.

18 / 40

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

19 / 40

Remember to_____to prevent rollovers.

20 / 40

The most stable tanker shape is:

21 / 40

Select the correct setup for shut-off valves:

22 / 40

What are the dividers that are inside tankers that have an opening at the bottom and top?

23 / 40

You should have the fifth wheel plate greased as recommened because:

24 / 40

When stopped on a divided highway where should your reflectors be placed?

25 / 40

Select the true statement in regards to empty trucks:

26 / 40

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

27 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

28 / 40

If your bus is equipped with an emergency exit door, it must:

29 / 40

What is the normal operating range for a truck's oil pressure?

30 / 40

Select the statement that is true in regards to managing space to the sides.

31 / 40

Select the first action to do when the low air pressure warning comes on:

32 / 40

Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:

33 / 40

How should the pintle hook be when backing a dolly under the second trailer?

34 / 40

A driver that hauls hazardous materials must attend training every:

35 / 40

What is the purpose of the supply pressure gauge?

36 / 40

The average person requires how many hours of sleep per 24 hour period?

37 / 40

Select the true statement about empty trucks:

38 / 40

Select the true statement about retest markings:

39 / 40

If students must cross the street, when they get off the bus, which statement is true?

40 / 40

You don't want to use wheel chocks when hooking a combination to a second trailer with no spring brakes. What should you do?

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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.