2026 Delaware DMV Knowledge Test Class B Test 1 (50 Questions And Complete Answers)
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Which of the following is not acceptable emergency equipment?
1. Three red reflective triangles
2. Six fuses
3. Three liquid burning flares
4. Four yellow squares
1. Three red reflective triangles
2. Six fuses
3. Three liquid burning flares
4. Four yellow squares
Four yellow squares
When inspecting your brakes, a slack adjuster should move ____ from where it is attached to the push rod.
1. At least three inches
2. More than two inches
3. Up to five inches
4. No more than one inch
1. At least three inches
2. More than two inches
3. Up to five inches
4. No more than one inch
No more than one inch
Applying the brake pedal causes air pressure to activate an electric switch and:
1. Turn off the brake lights.
2. Turn on the low pressure warning light.
3. Turn on the brake lights.
4. Turn off the low pressure warning light.
1. Turn off the brake lights.
2. Turn on the low pressure warning light.
3. Turn on the brake lights.
4. Turn off the low pressure warning light.
Turn on the brake lights.
A vehicle that is smaller than your vehicle:
1. Will usually be able to stop faster than your vehicle.
2. Will usually take more time to stop than your vehicle.
3. Will take about the same amount of time to stop as your vehicle.
1. Will usually be able to stop faster than your vehicle.
2. Will usually take more time to stop than your vehicle.
3. Will take about the same amount of time to stop as your vehicle.
Will usually be able to stop faster than your vehicle.
If unable to tell if the road is becoming icy and slippery, a driver:
1. Should try guessing.
2. May open their window and feel the front of the side mirror for ice.
3. Should look at the road closely.
1. Should try guessing.
2. May open their window and feel the front of the side mirror for ice.
3. Should look at the road closely.
May open their window and feel the front of the side mirror for ice.
Dry bulk tanks require special care because:
1. They have low centers of gravity.
2. They have high centers of gravity.
3. Loads are usually stable.
4. They are usually overloaded.
1. They have low centers of gravity.
2. They have high centers of gravity.
3. Loads are usually stable.
4. They are usually overloaded.
They have high centers of gravity.
Air tank drains:
1. Should not be used in cold weather.
2. Are helpful to remove water and oil from the air tanks.
3. Are used to move air to the brakes.
1. Should not be used in cold weather.
2. Are helpful to remove water and oil from the air tanks.
3. Are used to move air to the brakes.
Are helpful to remove water and oil from the air tanks.
If a truck is equipped, a trailer brake hand valve can be used to:
1. Add fuel to the truck.
2. Prevent the truck from rolling back when being started from a stop.
3. Check the engine oil level.
1. Add fuel to the truck.
2. Prevent the truck from rolling back when being started from a stop.
3. Check the engine oil level.
Prevent the truck from rolling back when being started from a stop.
When taking the basic vehicle control skills test, failing to exit your vehicle properly during any exercise will result in:
1. Failure of only that exercise.
2. An extra point against your final score.
3. Automatic failure of the basic vehicle control skills test.
1. Failure of only that exercise.
2. An extra point against your final score.
3. Automatic failure of the basic vehicle control skills test.
Automatic failure of the basic vehicle control skills test.
On a truck with air brakes, the braking system’s air compressor:
1. Pumps air into the air storage tanks.
2. Fills the tires.
3. Moves air to the back of the truck.
4. Cleans the brakes.
1. Pumps air into the air storage tanks.
2. Fills the tires.
3. Moves air to the back of the truck.
4. Cleans the brakes.
Pumps air into the air storage tanks.
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