Free Montana CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Montana CDL double/triple trailer endorsement test, make sure to know it! Our Montana CDL Practice Test has the same questions as the real exam which is based on the Montana 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 Montana 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 MT commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MT CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What should you do when the low air pressure warning comes on?
2.
Which is true when checking air flow to all trailers?
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.
If air supply drops when driving, the tractor protection valve ________.
5.
Automatic slack adjusters ________.
6.
Automatic adjusters should ________.
7.
After coupling, the air shut-off valves at the back of the first trailer should be:
8.
On older vehicles, a low air pressure warning signal comes on at what psi?
9.
An air brake is made up of which of the following braking systems?
10.
If the rear trailer does not have spring brakes, disconnecting the emergency line after charging will:
11.
When uncoupling twin trailers you should park:
12.
Which of these statements about the handling of doubles and triples is true?
13.
The trailer air supply control should pop out when the air pressure falls into the pressure range of:
14.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
15.
Why does a heavily-loaded vehicle take longer to stop than a lightly-loaded vehicle?
16.
In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
17.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
18.
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
19.
What does the air compressor governor control?
20.
Why should you not drive your vehicle if the air pressure does not build up quickly enough?