2026 Georgia DMV Combination Test 2 (20 Questions And Complete Answers)
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When driving a bobtail tractor, you should be aware that:
1. Bobtails stop very easily.
2. Bobtails cannot drive as fast as tractors with semitrailers.
3. Bobtails are more difficult to stop than tractors with semitrailers.
4. Bobtails are illegal in most states.
1. Bobtails stop very easily.
2. Bobtails cannot drive as fast as tractors with semitrailers.
3. Bobtails are more difficult to stop than tractors with semitrailers.
4. Bobtails are illegal in most states.
Bobtails are more difficult to stop than tractors with semitrailers.
If oil and water build up in your vehicle's air tanks, the brakes:
1. May not work correctly.
2. May feel squishy.
3. Will squeal loudly when used.
4. Will be extremely sensitive.
1. May not work correctly.
2. May feel squishy.
3. Will squeal loudly when used.
4. Will be extremely sensitive.
May not work correctly.
If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can:
1. Check for wheel speed sensors coming from the back of the brakes.
2. Look for a red light on the front right corner of the converter dolly.
3. Assume the vehicle has ABS.
4. Pump the air brakes to activate the ABS.
1. Check for wheel speed sensors coming from the back of the brakes.
2. Look for a red light on the front right corner of the converter dolly.
3. Assume the vehicle has ABS.
4. Pump the air brakes to activate the ABS.
Check for wheel speed sensors coming from the back of the brakes.
A tractor protection valve is:
1. A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.
2. A device that prevents theft.
3. A device that controls fuel levels.
4. A device that allows the battery to recharge efficiently.
1. A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.
2. A device that prevents theft.
3. A device that controls fuel levels.
4. A device that allows the battery to recharge efficiently.
A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.
Using the trailer hand valve while driving:
1. Will help you turn safely.
2. Will stop your trailer safely.
3. Can cause a skid.
4. Is impossible.
1. Will help you turn safely.
2. Will stop your trailer safely.
3. Can cause a skid.
4. Is impossible.
Can cause a skid.
What is another name for the service line?
1. Control line
2. Exchange line
3. Surplus line
4. Parallel line
1. Control line
2. Exchange line
3. Surplus line
4. Parallel line
Control line
Which type of vehicle is most prone to the “crack-the-whip” effect?
1. A five-axle tractor semi-trailer
2. A three-axle tractor semi-trailer
3. A bobtail tractor
4. A triple trailer
1. A five-axle tractor semi-trailer
2. A three-axle tractor semi-trailer
3. A bobtail tractor
4. A triple trailer
A triple trailer
When backing a trailer, how should you turn the steering wheel?
1. Turn the top of the steering wheel in the direction you want the trailer to go.
2. Turn the top of the steering wheel in the direction opposite of where you want the trailer to go.
3. It doesn’t matter.
4. It depends on where the trailer is being backed.
1. Turn the top of the steering wheel in the direction you want the trailer to go.
2. Turn the top of the steering wheel in the direction opposite of where you want the trailer to go.
3. It doesn’t matter.
4. It depends on where the trailer is being backed.
Turn the top of the steering wheel in the direction opposite of where you want the trailer to go.
Proper coupling technique:
1. Is the same on all vehicles.
2. Is essential to the safe operation of a vehicle.
3. Includes ensuring that the fifth wheel plate is not greased.
4. Can be learned over time.
1. Is the same on all vehicles.
2. Is essential to the safe operation of a vehicle.
3. Includes ensuring that the fifth wheel plate is not greased.
4. Can be learned over time.
Is essential to the safe operation of a vehicle.
Simply changing lanes can cause:
1. A “crack-the-whip” effect, resulting in a rollover.
2. A trailer to straighten out.
3. Confusion over which lane the driver is hoping to use.
4. Other drivers to reduce their speed.
1. A “crack-the-whip” effect, resulting in a rollover.
2. A trailer to straighten out.
3. Confusion over which lane the driver is hoping to use.
4. Other drivers to reduce their speed.
A “crack-the-whip” effect, resulting in a rollover.
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