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Georgia CDL Permit Test - Double

Number of questions: 20
Passing score: 4
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. Test questions come from the Georgia Commercial Driver’s 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 —
16 or fewer errors
What is another name for the service line?
Control line
Exchange line
Surplus line
Parallel line
If coolant has to be added to a system without a recovery tank, you should:
Keep the vehicle running while adding coolant.
Open the radiator cap quickly.
Not use gloves to touch the radiator cap.
Wait for the engine to cool before adding coolant.
Which factor does not have an impact on a person’s blood alcohol concentration (BAC)?
The number of alcoholic drinks consumed
How quickly the alcoholic drinks were consumed
The weight of the drinker
The temperature of the drinks
When stopping:
The brake pedal should be pressed down gradually.
The brake pedal should be pushed down quickly.
The brake pedal should be pressed down repeatedly, but not held down continuously.
The amount of force required on the brake pedal will be the same each time you slow or stop.
If you experience a loss of hydraulic pressure, you should do all of the following, except:
Pump the brakes.
Use the parking brake.
When uncoupling a triple trailer rig:
The second trailer should be uncoupled first.
The third trailer should be uncoupled first.
The order of uncoupling is not important.
The heaviest trailer should be uncoupled first.
A vehicle equipped with an Anti-Lock Braking System (ABS) can be identified by:
A sticker on the control panel.
A yellow lamp on the instrument panel.
The letters "ABS" on the brake pedal.
A metal plate on the inside of the driver’s side door.
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