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Indiana 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 four possible answer choices. Test questions come from the Indiana 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.
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Passing grade —
4 or fewer errors
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1.
To prevent a rollover, cargo should be:
Placed near the front of a trailer.
Placed near the rear of a trailer.
Spread out on a trailer.
Loaded with most weight on the driver’s side of a trailer.
2.
Move over laws require:
Trucks to use the left lane whenever possible.
All vehicles to vacate the lane closest to an emergency vehicle that is stopped with its lights flashing.
All vehicles to use the left lane whenever possible.
All drivers to move into the left lane if a flatbed trailer is in the right lane.
3.
If you must drive very slowly, you should:
Warn other motorists.
Drive on the shoulder.
Stay in the left lane.
Sound your horn.
4.
What is the average driver’s reaction time?
One-sixteenth of a second
One-eighth of a second
Between three-quarters of a second and one second
Two seconds
5.
If a truck's Anti-Lock Braking System (ABS) is not working:
The truck will not have any brakes.
The truck should be driven only at slow speeds.
The truck will still have brakes.
The truck will lack brakes on its left side.
6.
What should you do if the brake pedal does not build up pressure?
Upshift.
Downshift.
Hold the brake pedal down as far as it will go.
Pump the brakes.
7.
Because of their size, double and triples:
Stop quickly.
Need more room to stop than smaller vehicles.
Can accelerate quickly.
Are easier to maneuver on steep downgrades than smaller vehicles.
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