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Connecticut CDL Permit Test - Tank

Number of questions: 20
Passing score: 16
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Connecticut Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
Hazardous materials placards are usually shaped like:
Circles.
Triangles.
Diamonds.
2.
If a parked trailer does not have spring brakes, you should keep the trailer from moving by:
Using the air brakes.
Using chock blocks.
Parking near a wall.
Parking on a slight incline.
3.
When checking the engine compartment:
The parking brake should not be engaged.
Wheels should be chocked.
The engine should be running.
The gearshift should be in first gear.
4.
How many air lines does a combination vehicle have?
One
Two
Three
Four
5.
When changing lanes:
You should move your vehicle quickly.
You should move your vehicle slowly.
The move should be made with a jerking motion.
You do not need to use a turn signal.
6.
Compared to talking on a cell phone while driving, texting while driving is:
Much safer.
Just as safe.
More dangerous.
7.
Why are multi-speed axles and auxiliary transmissions used?
To make a vehicle operate more smoothly
To provide extra gears
To improve a vehicle's gas mileage
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