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

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

2 / 40

Liquid surge affects the handling of a tanker by:

3 / 40

A placarded vehicle must have at least ___ placards?

4 / 40

The shipping papers for hazardous materials can be found:

5 / 40

You should make sure the_____before backing under a trailer.

6 / 40

How much space should there be between the lower and upper fifth wheel?

7 / 40

How should the trailer be lined up when preparing to back the tractor up?

8 / 40

This item should not be rusted, bent, or damaged and centered over evenly spaced tires and dual wheels.

9 / 40

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

10 / 40

The compressor is connected to the engine via _____?

11 / 40

Tires should should be replaced:

12 / 40

After deciding the type of evacuation that is necessary, the next step you must take is:

13 / 40

In the event of an accident you should remember to do the following EXCEPT:

14 / 40

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

15 / 40

When not towing a trailer, why should the tractor glad hands be locked?

16 / 40

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

17 / 40

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

18 / 40

A truck with baffles will handle:

19 / 40

If your engine runs a pump used during delivery of compressed gas, should you turn off the engine before or after unhooking hoses after delivery?

20 / 40

How do you check the air flow to the last trailer?

21 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

22 / 40

If you are drowsy, you should _____ before you drive.

23 / 40

Select the false statement about tractor protection valves.

24 / 40

A hazard class that uses transport indexes to determine the amount that can be loaded in a single vehicle is _____.

25 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

26 / 40

Suspension systems:

27 / 40

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

28 / 40

Which of the following is not a prohibited practice on the bus:

29 / 40

A shipper’s certification is best described as _____.

30 / 40

You need to be extra careful when driving smooth bore tanks:

31 / 40

What can side to side surge cause?

32 / 40

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

33 / 40

Your rig should be parked on__to uncouple double trailers.

34 / 40

When driving on a clear night with the vehicle lights on, your speed should be such that you can stop within _____.

35 / 40

You are checking the_______when looking at the dipstick to see if the lubrication is at the safe operating range or above the refill line.

36 / 40

When driving normally, some drivers use the hand valve before applying the brake pedal to prevent jack knifing. Select the most appropriate response to this statement.

37 / 40

How do you supply air to the trailer tanks?

38 / 40

Which of the following answers lists the three types of emergency equipment you must have on your bus?

39 / 40

When transporting explosives you may not park:

40 / 40

What is a king pin?

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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.