Start FREE CDL Combination Vehicle Montana (MT) Test #2 2016 Now:
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Test 2 of 2. Use this drivers ed to practice your CDL Combination Vehicle knowledge. Take this FREE CDL Practice test and increase your chances to pass the CDL written exam on the first try! This test is a great FREE CDL MONTANA (MT) Training tool. Let’s Start!
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Off-tracking or cheating causes of which of these to follow the wider pass while making a turn?
The iron trailer supports are up and the trailer is resting on the tractor. Make sure:
When you are uncoupling a loaded trailer you should lower the landing gear until it:
What will happen if the air lines are crossed when you hook up to an old trailer?
What should you do to stop a trailer skid?
If you cannot make a turn without entering another traffic lane:
The air lines on a combination vehicle are often colored to prevent them from mixing up. The emergency line is ____, the service line is ____.
The semitrailer made before 1975 that are equipped with air brakes:
The air leakage rate for a combination vehicle (engine off, brakes on) should be less than ___ psi per minute.
Compared to a straight truck or bus there are _____ things to inspect in combination vehicle.
When checking the trailer emergency brakes the tractor protection control valve should be place in what position?
In normal driving, some drivers use the hand valve before the brake pedal to prevent a jackknife. Which of the statements is true?
While checking if the trailer is securely coupled to the trailer the landing gears should be:
Air and electrical lines from the tractor to the trailer should be:
You have a major leak in the service line and you put on the brakes. Service air will escape and cause the:
A tractor with a ____ trailers requires the shortest amount of stopping distance.
When you get ready to back up under a semitrailer you should line up:
You should not back a tractor under a trailer until the whole air system is:
After you lock the kingpin into the fifth wheel, you should check the connection by:
When should you use the valve to park a combination vehicle?
You have coupled with a semitrailer. Where should you out the iron trailer supports before driving away?
The safety catch for the fifth wheel locking lever must be _____ for a coupling to be complete.
After you supply air to the trailer, make sure the air lines are not crossed and the trailer brakes are working. This is done by:
Before you back under a trailer, make sure that:
How should you test the tractor-semitrailer for security?
The front trailer supports are up and the trailer is resting on the tractor. Make sure:
To unlock the fifth wheel the locking lever should be placed in the ____ position.
The tractor protection valve will close and the trailer emergency brakes will come on when there is a major leak in the ____ brake line.
When coupling, the proper position of the fifth wheel is:
What gear should the tractor engine be in after you couple the trailer and are inspecting the trailer support?
When uncoupling the trailer, after you shut off the trailer air supply and lock the trailer brakes, you should:
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:
When backing a tractor under a trailer you should:
After the trailer has been coupled to the tractor, the tractor protection control valve should be placed in what position?
What does it mean when the fifth wheel locking lever is not locked after the jaws close around the kingpin?