Free Indiana CDL Combination Vehicles Practice Test 2022

You have to pass the Indiana CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for a good Indiana CDL Practice Test source for your coming CDL test? You are in the right place. Our practice test is a great resource for beginners. The test is designed for you to have exactly the experience of the exam as you will be more familiar with both the test format and the subject. Our CDL practice test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official Indiana CDL manual so you can be sure that the information in our test is accurate and relevant to your examination. In addition, each question has a detailed explanation so that it is very useful for you to learn from your mistakes. Preparing well before test day with questions and content that we cover. Start with our Free Indiana CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 IN commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
IN CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Air brake equipped trailers made before 1975:
2.
You should not back a tractor under a trailer until the air system is:
3.
When you open the emergency shut-off valve at the back of the last trailer after supplying air to trailer(s):
4.
When uncoupling, make sure that the parking area:
5.
The trailer service brakes should be tested with the hand control, and controlled during normal operation by:
6.
To help prevent rollover, keep the center of gravity of the load as low as possible, and:
7.
Off-tracking or cheating causes which of these to follow the wider path while making a turn?
8.
You are driving a combination vehicle when the trailer breaks away, pulling apart both air lines. You expect the trailer brakes to come on and:
9.
Which of these statements is true?
10.
The locking jaws should be around:
11.
A driver crosses the air lines when hooking up to an old trailer. What will happen?
12.
To test the trailer brakes before driving, use the hand valve or the:
13.
Why should you be sure that the fifth wheel plate is greased as required?
14.
Driving with an empty trailer:
15.
The "rearward amplification" value means:
16.
The safety latch for the fifth wheel locking lever must be _____ for a coupling to be complete.
17.
The hand valve should be used:
18.
When coupling, the proper position of the fifth wheel is:
19.
At the back of trailer used to tow other trailers are shut-off valves, also called:
20.
Before getting out to inspect the coupling, secure the vehicle by putting transmission in neutral, shutting off engine and taking the key with you, and: