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Connecticut CDL Permit Test - Double

Number of questions: 20
Passing score: 16
Directions: This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Each question has three or four possible answer choices. Test questions come from the Connecticut Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
All trailers made after ____ must be equipped with Anti-Lock Braking Systems (ABS).
1943
1998
2009
2.
Air tanks usually hold enough compressed air:
For one stop before needing to be refilled.
For several stops before needing to be refilled.
For a day’s worth of braking.
For an unlimited number of stops.
3.
When traveling in heavy traffic, the safest driving speed is:
The posted speed limit.
The speed of surrounding traffic.
A speed much slower than the flow of surrounding traffic.
4.
A registered vehicle should have:
A mirror on the left side only.
Mirrors on both the left and right sides.
A mirror on the right side only.
Only a rearview mirror.
5.
When driving, it is important to:
Keep your attention focused in front of your vehicle.
Look only to the front and right side of your vehicle.
Look only to the front and sides of your vehicle.
Look to the front, sides, and rear of your vehicle.
6.
Hydroplaning:
Rarely occurs with large trucks.
Usually happens when vehicles are traveling faster than 65 mph.
Can occur with a minimal amount of water on the roadway.
7.
Which of the following is not required emergency equipment?
Red reflective triangles
Flares
A flashlight
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