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

Which of the following is a recommended procedure when unloading the students?

2 / 40

What are slack adjusters?

3 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

4 / 40

If there is rust around the nuts, what may it indicate?

5 / 40

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

6 / 40

When approaching railroad tracks, stop your bus:

7 / 40

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

8 / 40

At around____the governor allows the air compressor to start pumping again:

9 / 40

It takes special care to drive tankers with liquid in them because:

10 / 40

What does the amount of liquid you can carry depend on?

11 / 40

Select the true statement about converter dollies:

12 / 40

Liquid surge affects the handling of a tanker by:

13 / 40

Select the true statement in regards to empty trucks:

14 / 40

While driving on a clear night with low beam headlights, you should be able to stop within:

15 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

16 / 40

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

17 / 40

What position should the tractor protection control valve be in after coupling?

18 / 40

The Emergency Response Guidebook (ERG):

19 / 40

Which of the following statements is FALSE?

20 / 40

Placarded vehicles must carry which type of fire extinguisher?

21 / 40

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

22 / 40

The gauge that needs to come up to normal levels after starting the engine within a few seconds is _____.

23 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

24 / 40

Start by___when coupling.

25 / 40

Which of these statements about signaling is correct?

26 / 40

Spring brakes are usually held back by_____during normal driving.

27 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

28 / 40

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

29 / 40

What is always required before loading, driving, or unloading a tanker?

30 / 40

What placards, if any, do you need if your load includes 20 pounds of Division 2.3 gas and 1,001 pounds of flammable gas?

31 / 40

How do you release the dolly brakes when coupling twin trailers?

32 / 40

A commercial motor vehicle (CMV) is defined as:

33 / 40

The reason a bulk liquid tanker is hard to handle is:

34 / 40

Select the true statement about tractor protection valve:

35 / 40

A safe haven is ______.

36 / 40

____is what can legally hold the parking brake or emergency brake in position for a bus, truck, or truck tractor.

37 / 40

When inspecting your bus, you must make sure that:

38 / 40

When you discharge an unruly passenger, you must choose a place that is:

39 / 40

Select the true statement about emergency brakes:

40 / 40

By law, the warning lights must only be used when approaching a:

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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.