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 "cut-in" pressure for most air compressor governors?
2.
Which is true when checking air flow to all trailers?
3.
When driving a truck with more than one trailer, which trailer should be first behind the truck?
4.
When coupling, correct trailer height should:
5.
Automatic slack adjusters ________.
6.
Air brakes take longer to stop than hydraulic brakes because _______.
7.
How often should alcohol containers be checked during cold weather?
8.
If the rear trailer does not have spring brakes, disconnecting the emergency line after charging will:
9.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
10.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
11.
Pushing the brake pedal down when the spring brakes are on could _________.
12.
If the air compressor has its own oil supply you should do what before driving?
13.
When increased application pressure to maintain the same speed becomes necessary, you should ______.
14.
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
15.
Typically, air storage tanks hold enough air to allow the brakes to be used _______ even if the compressor stops working.
16.
When you make an emergency stop, you should _________.
17.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
18.
What affects the stopping distance for air brakes?
19.
Why should you drain water from compressed air tanks?
20.
Vehicles with air brakes have pressure gauges connected to the _______.