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

______is a device that connects the service and emergency air lines between the tractor and trailer.

2 / 40

Select the true statement about stop valves in a cargo tank:

3 / 40

How do you make sure the trailer height is correct before coupling?

4 / 40

Where should you place your warning devices if you must stop on a one-way or divided highway?

5 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

6 / 40

The minimum tire tread depth for front tires is:

7 / 40

Why should you know the outage?

8 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

9 / 40

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

10 / 40

Before backing under the trailer you should______when coupling a tractor and trailer with air lines already connected.

11 / 40

Suspension systems:

12 / 40

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

13 / 40

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

14 / 40

How do you determine if slack adjusters need to be adjusted?

15 / 40

The minimum tread depth for tires other than the front tires is ____.

16 / 40

Should the air pressure in the service air tanks fall below____the driver must be alerted via warning mechanism in the truck cab.

17 / 40

Two causes of tire fires are ______.

18 / 40

Which of the following statements about loading and unloading cargo tanks is false?

19 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

20 / 40

How can you determine if your vehicle is equipped with ABS?

21 / 40

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

22 / 40

The trailer should be lowered so that _____.

23 / 40

Five hazard classes that require placarding in any amount are ______.

24 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

25 / 40

Overhead inside mirror is used to:

26 / 40

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

27 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

28 / 40

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

29 / 40

Select what you should do before leaving the vehicle unattended:

30 / 40

When stopping for railroad tracks, you must stop no closer than how many feet before the nearest track?

31 / 40

The brake pushrod should not move more than____for manual slack adjusters.

32 / 40

Which of the following statements is true about speed management?

33 / 40

If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at a dock to carry 100 cartons of battery acid?

34 / 40

The golden rule for school buses when approaching and crossing railroad tracks is:

35 / 40

When should you drain air tanks that do not have an automatic tank drain?

36 / 40

What is the earliest way to notice a trailer skid?

37 / 40

This object should be clean with no obstructions, illegal stickers or damage to the glass.

38 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

39 / 40

What do you check when doing a visual inspection of the coupling?

40 / 40

Remember to____when connecting the converter dolly to the rear trailer.

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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.