2026 Georgia DMV Air Brakes Class B Test 1 (25 Questions And Complete Answers)
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How should you test the low pressure warning signal?
1. Engage and disable the parking brake.
2. Rapidly press and release the brake pedal.
3. Open the rear shut-off valves.
4. Uncouple and recouple all glad hands.
1. Engage and disable the parking brake.
2. Rapidly press and release the brake pedal.
3. Open the rear shut-off valves.
4. Uncouple and recouple all glad hands.
Rapidly press and release the brake pedal.
In a newer vehicle, you apply the parking brake:'
1. By using a diamond-shaped yellow knob.
2. By using a round red knob.
3. By using a square green knob.
4. By using a black round knob.
1. By using a diamond-shaped yellow knob.
2. By using a round red knob.
3. By using a square green knob.
4. By using a black round knob.
By using a diamond-shaped yellow knob.
The application pressure gauge:'
1. Shows how much air pressure is being applied to the brakes.
2. Shows the pressure of the air coming from the compressor.
3. Shows the temperature of air being used in the braking system.
4. Shows the number of times the brakes have been used.
1. Shows how much air pressure is being applied to the brakes.
2. Shows the pressure of the air coming from the compressor.
3. Shows the temperature of air being used in the braking system.
4. Shows the number of times the brakes have been used.
Shows how much air pressure is being applied to the brakes.
The ____ tells a driver how much pressure is in the air tanks.
1. Application pressure gauge
2. Air compressor governor
3. Supply pressure gauge
4. Drum brake
1. Application pressure gauge
2. Air compressor governor
3. Supply pressure gauge
4. Drum brake
Supply pressure gauge
The air compressor governor controls:'
1. When the air compressor pumps air into the air storage tanks.
2. How fast air is pumped into the air storage tanks.
3. The temperature of air pumped into the air storage tanks.
4. The speed of the vehicle.
1. When the air compressor pumps air into the air storage tanks.
2. How fast air is pumped into the air storage tanks.
3. The temperature of air pumped into the air storage tanks.
4. The speed of the vehicle.
When the air compressor pumps air into the air storage tanks.
If braking at a speed of 55 mph while driving on dry pavement, the brake lag can add ____ to your vehicle's total stopping distance.'
1. 32 feet
2. 15 feet
3. 50 feet
4. 10 feet
1. 32 feet
2. 15 feet
3. 50 feet
4. 10 feet
32 feet
What kind of force must emergency brakes use?
1. Air pressure
2. Mechanical
3. Heavy
4. Electrical
1. Air pressure
2. Mechanical
3. Heavy
4. Electrical
Mechanical
An air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately ____ to come to a complete stop.
1. 100 feet
2. 250 feet
3. 300 feet
4. 450 feet
1. 100 feet
2. 250 feet
3. 300 feet
4. 450 feet
450 feet
When you need to stop in an emergency, you should:
1. Lock the wheels and skid to a stop.
2. Stop in a way that keeps your vehicle in a straight line.
3. Stop in a way that turns your vehicle.
4. Expect your vehicle to slow down more quickly than usual.
1. Lock the wheels and skid to a stop.
2. Stop in a way that keeps your vehicle in a straight line.
3. Stop in a way that turns your vehicle.
4. Expect your vehicle to slow down more quickly than usual.
Stop in a way that keeps your vehicle in a straight line.
Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.
1. 10 psi
2. 25 psi
3. 50 psi
4. 100 psi
1. 10 psi
2. 25 psi
3. 50 psi
4. 100 psi
100 psi
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