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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Connecticut CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Connecticut CDL Manual. Take this practice test now to prepare for the actual CT CDL combination test!
1. Combination vehicles _________ than single CMVs.
are much easier to drive
are safer in bad weather
require more driving skill
All of the above.
2. When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
50; 150
50; 250
100; 150
150; 250
3. If your truck catches fire, the first thing you should do is to:
pull off the road and park in an open area.
pull into a service station and call for help.
get the vehicle off the road and park near other vehicles.
get off the vehicle, open the hood and start shooting foam to keep the engine cool.
4. When looking at your cargo covers in the mirrors while driving, you must be aware that a flapping cover:
means that the cargo is balanced.
keeps the cargo cool.
helps keep the cargo as close to the ground as possible.
can tear loose, uncovering the cargo.
5. Empty trucks:
require a greater stopping distance than full trucks.
require a shorter stopping distance than full trucks.
require the same stopping distance than full trucks.
None of the above.
6. In a vehicle with a dual air brake system:
one system supplies air to the trailer.
both systems typically operate the regular brakes on the rear axle.
each system has its own air tanks.
All of the above.
7. When a vehicle goes around a corner, the rear wheels:
follow a different path than the front wheels.
will turn freely.
follow the same path as the front wheels.
will lock up.
8. What is a tractor jackknife?
When the wheels of a trailer lock up, and the trailer swings around.
When a drive-wheel skid lets the trailer push the towing vehicle sideways.
When the rear wheels of a trailer lock up, and the tractor swings around.
None of the above.
9. The parking brake:
should be used whenever you park.
should be used when driving in bad weather.
should be used when you need to apply the brakes firmly.
All of the above.
10. Which of the following is NOT a way to determine if your trailer is equipped with ABS (antilock braking system)?
Wheel speed sensor wires are coming from the back of the brakes.
The letters "ABS" are printed on the side of the steering wheel.
It was built after March 1, 1998.
It has yellow ABS malfunction lamps.
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CT CDL Combination Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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