1 . Carry-on bags should be secured:

In front of the back door.
In front of the front door.
In a location that allows access to all emergency exits.
On top of the bus.
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2 . The air compressor governor controls:

When the air compressor pumps air into the air storage tanks.
How fast air is pumped into the air storage tanks.
The temperature of air pumped into the air storage tanks.
The speed of the vehicle.
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3 . If using the spring brakes while hauling a heavy load, a complete stop will:

Be impossible.
Take a long time.
Take a short amount of time.
Damage the brakes.
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4 . If the spring brakes are on, you should:

Not use the brake pedal.
Press the accelerator.
Move the steering wheel.
Be especially careful because the brakes may fail.
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5 . How much water must be on a road surface for a vehicle to hydroplane?

Usually several inches
A good amount, such as a large puddle
A small amount
None
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6 . Livestock:

Should never be transported on a trailer.
Must be inspected by a law enforcement officer.
Can cause unsafe handling when being transported on a trailer due to their movement.
Can only be transported by a person registered as a farmer.
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7 . If you are not sure if there is enough space for your vehicle to safely pass under a bridge, you should:

Speed up.
Swerve as you pass under the bridge.
Slow down.
Drive on the shoulder.
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8 . Alcohol is removed from the body:

At a rate that changes depending on how much alcohol is in the body.
At a consistent rate, regardless of how much alcohol is in the body.
More quickly if the person drinks coffee.
More quickly if the person stays awake.
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9 . Poor weight balance:

Improves a vehicle's handling.
Makes handling a vehicle more difficult.
Increases a driver’s ability to steer.
Makes a vehicle easier to stop.
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10 . Distracted driving:

Is not a concern.
Only happens when drivers are physically doing something, like using a cell phone.
Can occur due to mental activities, such as daydreaming.
Is encouraged on uncrowded roads.
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11 . You should always be able to stop within:

10 feet of your vehicle.
1,000 feet of your vehicle.
Your view of the road ahead.
A minute of hitting the brakes.
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12 . When the brake pedal is depressed, air brakes work:

Immediately.
After a short delay.
After about a minute.
Only if the green lever on the control panel is pushed down.
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13 . While driving downhill, you should brake until you reach a speed that is ____ below your safe speed, then release the brake pedal.

5 mph
10 mph
15 mph
20 mph
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14 . Which of the following determines your blood alcohol concentration (BAC)?

How much you drink
How frequently you drink
The temperature of the drink
The color of the drink
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15 . A low air pressure warning signal should activate:

When tank pressure falls below 120 psi.
When tank pressure falls below 60 psi.
When tank pressure falls below 10 psi.
When tank pressure falls below 5 psi.
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16 . To inspect slack adjusters on S-cam brakes, you need to:

Park on a hill and test the brakes.
Put on gloves and push in the slack adjusters.
Remove the drum and look inside.
Chock the wheels and disengage the parking brake.
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17 . How is water and compressor oil removed from the bottom of an air storage tank?

The water and oil are siphoned out of the tank.
A drain valve is opened to remove the water and oil from the tank.
The water and oil are removed automatically as the brakes are used.
A sponge is used to soak up the water and oil.
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18 . When a tire goes flat, you may hear a loud bang. The truck will be affected:

Immediately.
After a short delay.
Only if the damaged tire is near the front of the truck.
Only if the truck is hauling a load.
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19 . A convex mirror is sometimes called a ____ mirror.

Bug-eye
Square
Helper
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20 . Once cargo is secured:

You may complete an entire trip without checking it.
You can drive at least eight hours without checking it.
You should check it every three hours or 150 miles.
You should not check it.
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