- Updated for December 2024
- Based on 2024 IN commercial driver's license manual
Free Indiana CDL Combination Practice Test 2024
In Indiana, drivers of combination vehicles, such as semi-trucks and tractor-trailers, can benefit economically from several sectors of the state’s economy. Indiana is the eighth largest agricultural exporter in the country. Major products include corn, meat animals, poultry and eggs, and dairy. Truckers transport these products to distribution hubs or directly to grocery store chains. Nearly 17% of the state’s non-farm workforce is employed in manufacturing, notably motor vehicles, auto parts, and pharmaceuticals. These industries require truckers to deliver supplies and equipment to them as well as transport their products. Finally, several cities, such as Indianapolis, are important logistics hubs, creating economic opportunities for truckers to move goods.
As befits its role as a major logistics hub, Indiana has numerous major trucking routes connecting it to markets in the Midwest and beyond: the transcontinental routes Interstates 80 and 90 and U.S. Route 30, the east-west route Interstate 70, the major north-south route Interstate 65, and the Midwest routes Interstates 69 and 74.
There are three classes of Commercial Driver’s Licenses (CDLs): Class A, Class B, and Class C. To drive heavy combination vehicles such as semi-trucks and tractor-trailers, you’ll want to obtain a Class A CDL. This class of CDL allows you to operate large combination vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, in which the towed vehicle weighs more than 10,000 pounds.
To obtain any class of CDL, you must pass a medical examination, a General Knowledge test on the general theory of commercial driving, and a skills test showing that you can operate commercial motor vehicles safely. But wait; there’s more!
To be allowed to operate combination vehicles, you must also pass a Combination Vehicles knowledge test on the theory of operating combination vehicles. Passing all these tests will take a lot of study and practice. These official knowledge tests are based on the official Indiana Commercial Driver’s License Manual (Indiana CDL Handbook 2024). But it’s not that easy to pass these tests just by reading this study guide a few times.
You’re probably here because you could use some more help to pass the Combination Vehicles knowledge test. Great! We can do that.
This free Indiana CDL Combination practice test is also based on the official manual, and it’s up to date as of December, 2024. To make your learning process easier, each of the 25 questions comes with a helpful hint and an explanation of the correct answer. The practice questions and answers on this test will assess your knowledge of such topics as combination braking systems, combination driving techniques, coupling and uncoupling, and pre-trip inspections.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual IN BMV exam
questions
correct answers to pass
passing score
Helpful links
List of questions (classic view)
- After you lock the kingpin into the fifth wheel, how should you check the connection?
- After you connect the air lines but before you back under the trailer, you should
- Which statement best illustrates the "crack-the-whip" effect?
- When you inspect the landing gear after uncoupling the trailer, where should the tractor be?
- What is the safest way to turn right from a two-way road?
- To drive a triple combination vehicle, you must have
- To prevent a rollover, cargo should be
- Combination vehicles take longer to stop when they are empty than when they are fully loaded, because
- If your vehicle gets stuck on a railroad track, you should
- Low-slung vehicles can be risky at railroad crossings because
- On a double or triple vehicle, which wheels offtrack the most?
- When you're pulling doubles or triples, the shut-off valves should always be
- On a trailer, where is the yellow antilock brake (ABS) malfunction lamp located?
- Even before antilock braking systems (ABS) were required, some vehicles already had them. How can you check if your vehicle has ABS?
- An antilock braking system (ABS) is useful
- After coupling, make sure that the air lines are not crossed. How should you do this?
- During uncoupling, you should disconnect the electrical cable and
- Before you start to uncouple, you must
- You can confirm that air is going to all brakes in your trailers by
- To uncouple a loaded trailer, after the landing gear has made firm contact with the ground, you should
- If the trailer has antilock brakes (ABS) but the tractor doesn't,
- To test the tractor protection valve, charge the trailer air brake system, turn off the engine, and
- If your test of the tractor protection valve is successful,
- The tractor protection valve is designed to close automatically if the air pressure falls into the pressure range specified by the manufacturer, typically
- As part of your vehicle inspection test, if your vehicle is equipped with air brakes and has a trailer, you will inspect the air connections between the truck or tractor and the trailer. Make sure that the ________ are locked in place and free of damage or air leaks.
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