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Utah CDL Permit Test - Double

(From the 2021 Utah CDL driver handbook)
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 two, three or four possible answer choices. Test questions come from the Utah Commercial Driver License Handbook. 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

Brakes may get out of adjustment:

If they are too hot.
In colder weather.
If they are used.
If they get wet.

Eating while driving is:

A good way to save time.
A dangerous activity.
Acceptable if you are eating foods that are easy to eat.

While driving a triple combination, keep the shut-off valves at the rear of the middle trailer in their:

Lowered position.
Closed position.
Open position.

If turning to avoid a hazard:

You should brake hard.
You should not brake as it could cause the wheels to lock.
You should turn the wheel very sharply.
You should hold down the brakes until you are past the hazard.

When a vehicle goes around a corner, the rear wheels:

Follow the same path as the front wheels.
Follow a different path than the front wheels.
Should not be a concern to the driver.

Be sure you are always driving so your vehicle can stop:

Within 10 feet of your current position.
Within 1,000 feet of your current position.
Within your view of the road ahead.

Which of the following is not a potential effect of drinking alcohol then driving?

Improved reaction time
Driving too fast
Driving in the incorrect lane
Weaving while driving
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