Free Indiana CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the CDL double/triple trailer endorsement test, make sure to know it! Our Indiana CDL Practice Test has the same questions as the real exam which is based on the Indiana CDL manual. It covers most of the subject areas on the Double/Triple Trailers Test such as pulling double and triple trailers, the risk of rollover, managing space, and special considerations when hauling multiple trailers. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, you can take this CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our Free Indiana CDL Double/Triple Trailers Practice Test today and pass your CDL endorsement exam! Good luck and keep driving safely!

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 Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the function of an "application pressure gauge"?
2.
To test the tractor protection valve, the engine needs to be:
3.
You are driving a 100-foot truck with double trailers at 30 mph. The road is dry, and visibility is good. You should keep at least ______ seconds of space ahead of you.
4.
A low pressure warning signal could be __________.
5.
Automatic adjusters should ________.
6.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
7.
Which of these statements about quick steering movements and doubles/triples is true?
8.
During normal operation, the brakes of the double/triple trailer are controlled by:
9.
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
10.
The service brake system ________.
11.
Letting up on the brake pedal _______.
12.
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
13.
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
14.
What does the air compressor governor control?
15.
Why should the air hoses connected to the brake chambers be checked?
16.
Why do some air brake systems have an alcohol evaporator?
17.
Why should you never push the brake pedal down when the spring brakes are on?
18.
Water and oil _______.
19.
Where are the brake drums located?
20.
To position the converter dolly over short distances you can: