1 . A tank endorsement is:

Only required when transporting gases.
Only required when transporting liquids.
Used when transporting both liquids and gases.
Optional when transporting hazardous materials.
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2 . When traveling down a downgrade, the speed of a vehicle will likely:

Decrease.
Not change.
Increase.
Match the speed of traffic.
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3 . When driving with covered cargo, a cover that flaps:

Is acceptable.
Allows air to keep the cargo cool.
Can tear loose.
Can attract birds.
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4 . The best way to recognize that your trailer has begun to skid is by:

Seeing other drivers' faces.
Seeing it in your mirrors.
Feeling it.
Listening to the radio.
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5 . Which of the following indicates drowsy driving?

Eyes going out of focus by themselves
Having trouble keeping your head up
Drifting from lane to lane
All of the above
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6 . Mirror adjustment can only be checked properly if:

The trailer is straight.
There is no trailer attached to the tractor.
The vehicle is on a slight incline.
The vehicle is on a slight decline.
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7 . Drivers are usually the least alert:

In the morning.
In the early evening.
Late at night.
In the afternoon.
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8 . Air tank drains:

Allow rain water to enter the tank.
Are used to drain water and compressor oil from the air tank.
Should never be opened.
Must remain open during transit.
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9 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven
Seven to eight
Eight to nine
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10 . What is a tire load?

The minimum safe weight a tire can carry
The maximum safe weight a tire can carry
The weight of a tire
The weight of the air within a fully inflated tire
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11 . Which of the following surfaces provides the least amount of traction?

Ice that is dry
Ice that is wet
Wet pavement
Dry pavement
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12 . If the trailer begins to skid, it is best to:

Release the brakes.
Accelerate.
Quickly turn the steering wheel one way, then the other.
Brake.
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13 . If you’re unfamiliar with the area in which you must back up, you should:

Get out of your vehicle and walk around the area to become more familiar with it.
Not use both mirrors, as that can cause too much distraction.
Wait for someone else to back up in the area so you see how they do it.
Turn on your high beam headlights.
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14 . If unsure if a road is becoming icy, a driver can:

Guess.
Open the window and check the front of the mirror for ice.
Try to look at the road closely.
Look at a weather forecast.
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15 . Which of the following is not a sign of a person being drowsy?

Frequent blinking
Drifting from your lane
Feeling hungry
Yawning
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16 . If another driver is tailgating you, you should:

Move into the left lane.
Speed up.
Increase the space in front of your vehicle.
Flash your lights.
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17 . What is a Gross Vehicle Weight Rating?

The maximum weight stated by the manufacturer as the loaded weight of a single vehicle
The maximum weight that can be pulled by a single vehicle
The minimum weight that can be hauled by a single vehicle
The maximum amount that can be loaded onto a single trailer
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18 . If feeling sleepy while driving, you should:

Press on and finish the trip.
Drive faster to arrive to your destination sooner.
Leave the road and take a nap.
Take an energy pill.
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19 . A high center of gravity:

Makes a vehicle more susceptible to rollover.
Is encouraged in inclement weather.
Is required on some roads.
Improves fuel efficiency.
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20 . The trailer hand valve:

Should always be used for parking.
Should only be used for parking on a downhill.
Should never be used for parking.
Should only be used when transporting cargo.
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