Knowledge Test Class B #1
Class B Driving Test | Indiana 2026 #1 Page 2 of 7
Train for FREE online with our Indiana class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a IN CDL class B permit in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
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8 . What color is the low air pressure warning light?
Purple
A low air pressure warning signal is required in vehicles with air brakes. The warning light is usually red and may be accompanied by a buzzer.
9 . What is traction?
A fuel stop
Friction between the tires and the road is referred to as traction. Traction is necessary to steer or brake a vehicle.
10 . How can you prevent drowsiness before a trip?
Schedule long trips at night.
To prevent drowsiness on a long trip, strategies include getting adequate sleep beforehand; planning out the route and stopping points in advance; driving with a passenger; and driving at times during which you are normally awake.
11 . During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
4 psi in a minute.
It is important to know the maximum air loss rate that is safe for your specific vehicle. A triple combination should have a leakage rate no higher than 6 psi in a minute during an applied leakage test.
12 . If a person has a hazardous materials endorsement and renounces their U.S. citizenship:
They must surrender their hazardous materials endorsement within 24 hours.
If applicable, you must surrender your hazardous materials endorsement within 24 hours of renouncing your U.S. citizenship.
13 . Headlights:
Should always be on the high beam setting.
To improve visibility, you should use high beam headlights at night where it is safe and legal to do so. However, the glare from high beam lights can blind other drivers. You should dim your lights to their low beam setting when driving within 500 feet of an approaching vehicle.
14 . Which of the following is acceptable?
Tires with cracks
When inspecting a vehicle, you should ensure that dual tires do not come into contact with each other or with other parts of the vehicle. Tire sizes should not be mismatched, and tires should not be cut or damaged in any way. Regrooved, recapped, or retreaded tires are not permitted to be used on the front wheels of a bus.
2026 Indiana | Frequently Asked Questions
To secure a CDL Bus endorsement in Indiana, you must first possess a Commercial Driver's License (CDL). Next, pass the Passenger Vehicles endorsement test, which covers topics like vehicle inspection, loading/unloading passengers, and emergency procedures. Finally, complete a driving test in the type of vehicle you'll be driving. You must also pass a background check and physical examination.
To obtain a Commercial Driver's License (CDL) Bus license in Indiana, you must be at least 21 years old, possess a valid Indiana driver's license, and pass a vision test. You'll need to complete a written knowledge test, obtain a CDL learner's permit, and pass a skills test in the type of vehicle you wish to drive. Additionally, you must pass a DOT physical examination.
Yes, specific training is necessary for a CDL Bus endorsement in Indiana. You must complete a commercial driver's education program approved by the Indiana Bureau of Motor Vehicles. This program includes both classroom instruction and behind-the-wheel training. Additionally, you must pass a written test and a skills test that includes pre-trip vehicle inspection, basic vehicle control, and on-road driving.
CDL Bus licenses in Indiana fall under three main classifications: Class A, B, and C. Class A is for vehicles with a combined weight over 26,001 pounds where the vehicle being towed is over 10,000 pounds. Class B is for single vehicles over 26,001 pounds. Class C is for vehicles designed to transport 16 or more passengers (including the driver) or hazardous materials.
No, you cannot use your personal vehicle for the CDL Bus driving test. The vehicle used for the test must match the class and type of vehicle you plan to drive with your CDL. For a bus endorsement, you need to test in a bus of the appropriate size and type. Some training schools provide vehicles for testing.
During the CDL Bus driving test, your ability to safely operate the bus is evaluated. This includes pre-trip vehicle inspection, basic vehicle control (like turning, backing up, and stopping), and on-road driving. On-road skills include navigating intersections, railway crossings, curves, and various types of traffic conditions. You'll also be tested on procedures for loading and unloading passengers.
Yes, for a CDL Bus endorsement in Indiana, you must pass a Department of Transportation (DOT) medical examination. This assessment ensures you are physically capable to operate a commercial vehicle safely. The exam covers various health aspects including vision, hearing, blood pressure, and checks for any conditions that might impair your ability to drive like epilepsy or heart disease.
No, it's not permissible to transport passengers in Indiana without a valid CDL Bus endorsement. The endorsement is required by law for drivers who wish to operate a vehicle designed to carry 16 or more passengers, including the driver. Driving without the proper endorsement can result in severe penalties, including fines and suspension of your CDL.
The CDL Bus endorsement can be added to your existing commercial driver's license in Indiana. You don't need to apply for a new license. However, you will need to pass a knowledge test and a skills test in a vehicle representative of the class of bus you wish to drive, and meet all physical and medical requirements.
Yes, there are restrictions for drivers with a CDL Bus endorsement in Indiana. Drivers must maintain a clean driving record, pass periodic physical exams, and comply with federal hours-of-service regulations. They cannot drive under the influence of alcohol or drugs. Additionally, school bus drivers need a special endorsement and must pass a background check.