- Updated for October 2024
- Based on 2024 ID commercial driver's license manual
Free Idaho CDL General Knowledge Test 2024 | ID
The state of Idaho is famous for its vast array of livestock and fresh produce, which makes commercial drivers like you a vital part of the state’s success. In order to pass the state’s written CDL exam, you’ll practice today with 50 multiple-choice questions based closely on those featured in the Idaho Commercial Driver’s License Manual, and covering everything from how to shift to dealing with black ice on the road. Pay close attention the explanation with each question, and these explanations will further your understanding of the manual, and help you get correct answers on your real CDL written exam. Keep practicing here until you achiever the score that you want, and good luck!
FAQs
How can you get yours?
To obtain a CDL license in Idaho, start by getting a commercial learner’s permit (CLP) after passing the required knowledge tests. Hold the CLP for at least 14 days before taking the skills test. Completing CDL training is recommended and then pass the skills test. Ensure you meet all medical and legal requirements.
What is the associated cost?
The cost for a CDL in Idaho includes a $40 application fee, a $29 fee for the knowledge test, and a $70 fee for the skills test. Additional costs may apply for endorsements and training programs.
What can disqualify you from being eligible?
In Idaho, disqualifications from obtaining a CDL include major traffic violations such as DUIs, reckless driving, certain criminal convictions, and failing the medical examination required for CDL holders.
How long does training last?
CDL training duration in Idaho varies by program. Full-time training can last from a few weeks to several months, depending on the school and the specific program.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
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What you need to know
What to expect on the actual ID DMV exam
questions
correct answers to pass
passing score
Helpful links
List of questions (classic view)
- Which of the following commodities are you NOT allowed to legally transport intrastate (in Idaho) without a DOT medical card in your possession?
- What is the definition of a hazard?
- You should inspect wheel bearing seals for
- How long does it take for a typical tractor-trailer to clear a double railroad track?
- Which of the following statements about retarders is correct?
- Which is NOT one of the four skill areas that operating a commercial vehicle requires?
- How many tie-downs are required for a 20-foot load?
- Before transporting a sealed load, you must check
- Hazardous materials placards are
- Which of these is NOT part of the basic method of shifting up?
- An anti-lock braking system (ABS) will
- On which of the following types of fires should you NOT use a B:C fire extinguisher?
- Always try to back toward the driver's side because
- What is the best way to figure out how many seconds of following distance you have?
- Total stopping distance equals
- Starting the engine and inspecting the cab involves each of the following tasks, EXCEPT
- If you double your speed, how much more distance will it take to stop?
- What will help a drunk sober up?
- How can you determine if your vehicle is equipped with an anti-lock braking system (ABS)?
- On wet roads, you should reduce your speed by
- If you are traveling at 55 mph in a 30-foot vehicle, you should leave ___ seconds of following distance.
- Tire fires are commonly caused by
- Letting the air out of hot tires
- In which of the following two situations should you downshift?
- During your pre-trip test, when examining hoses with the instructor, you need to look for
- How can you start moving without rolling backward?
- To maintain alertness during the trip, drivers should
- Which of the following should you NOT do if you experience a tire failure?
- You should keep the starter switch key in your pocket while you perform the pre-trip inspection because
- What might happen if you swing wide to the left before you turn right?
- For how long will you lose your CDL driving privileges if you are convicted of a second DUI offense in either a CMV or your private vehicle?
- It has just reached freezing. Which of the following areas may be slippery?
- You don't want to be a distracted driver, so you
- When backing, it is important to use a helper
- If you are confronted by an aggressive driver, you should
- Do empty trucks have the best braking?
- What can you do at an accident scene to help avoid another accident?
- What is the most important hand signal that you and a helper should agree on?
- Which of the following is a key steering component?
- Which of the following factors can influence the safe speed for going down a steep downgrade?
- Which of the following is NOT something you should check during a trip?
- To help you stay alert and safe while driving, you should
- What is the gross vehicle weight (GVW)?
- Why should you cover cargo?
- To transport cargo safely, which of these are you NOT responsible for?
- If the engine is not overheated, is it completely safe to remove the radiator cap?
- Where should you place your warning devices if you must stop on a one-way road or divided highway?
- When you are driving at night, which lights should you use as often as you can?
- While you are on the road, how often must you stop to check your cargo?
- The minimum tread depth for front tires is
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