1 . The heavier the vehicle:

The less the brakes will need to work.
The harder the brakes will need to work.
The louder the brakes will sound.
The more noise the vehicle will make.
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2 . A vehicle inspection:

Is not required if the driver has driven the vehicle before.
Is not required before trips under 100 miles.
Is only to be performed by a mechanic.
Is required by law.
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3 . Which of the following is not an example of a potentially hazardous driver?

The operator of a vehicle with an ice-covered windshield
The operator of a rental truck
The operator of a loaded station wagon
The operator of a pick-up truck
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4 . In a combination rig, it is best to make:

Quick, sudden stops.
Sharp turns.
Quick accelerations.
Slow, planned stops.
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5 . When being approached by a vehicle using bright headlights while driving at night, you can avoid being blinded by the headlights by:

Wearing sunglasses.
Closing your eyes.
Glancing to the side of road.
Using your high beams.
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6 . If you have a faulty exhaust system, ____ could enter into your cab.

Oxygen
Carbon monoxide
Nitrogen
Hydrogen
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7 . When checking their windshield, a person should do all of the following, except:

Check for damage to the windshield.
Check for proper spring tension in the windshield wipers.
Check for damage to the wiper blades.
Remove and sharpen the wiper blades.
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8 . What is traction?

Friction between the tires and road
How quickly tires rotate
The length of time it takes to brake
A fuel stop
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9 . Eating while driving:

Is a good way to maximize time.
Is encouraged on long trips.
Creates a distraction for the driver.
Is mandatory so cargo is not left unsupervised.
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10 . A vehicle inspection:

Should only be performed once a week.
Should not be done unless the driver feels qualified to perform the inspection.
Should be performed by a friend to the driver.
Should be performed before every trip.
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11 . Driving in extremely hot weather:

Should not cause concern.
Requires a driver to remove all oil from their engine.
Requires less engine coolant than usual.
Can increase a tire's air pressure.
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12 . How can you prevent drowsiness before a trip?

Get about four hours of sleep.
Plan stopping points into your trip in advance.
Drive alone.
Schedule long trips at night.
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13 . During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.

One half
One quarter
One third
One tenth
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14 . A stopped bus:

Is not a cause for concern.
Is not a concern if passengers are not unloading.
Should not be on the roadway.
Is a concern, whether passengers are visible or not.
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15 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven
Seven to eight
Eight to nine
Four to five
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16 . When making a trip at night, you should do all of the following, except:

Make sure you are well-rested.
Make sure your eyeglasses are clean, if applicable.
Wear sunglasses.
Do a complete vehicle inspection before driving.
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17 . A cardboard box on the roadway:

Is not a cause for concern.
Is usually empty.
May contain a heavy object that could damage your vehicle.
Should be avoided by driving off the roadway.
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18 . A driver can maintain alertness by:

Not wearing sunglasses during the day.
Keeping the cab warm.
Eating heavy foods.
Having another person ride with them.
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19 . A low air pressure warning signal should activate:

When tank pressure falls below 120 psi.
When tank pressure falls below 55 psi.
When tank pressure falls below 10 psi.
When tank pressure falls below 5 psi.
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20 . Good vision:

Is most important when driving during the day.
Is most important when driving at night.
Is important when driving at any time of day.
Is not essential to safe driving.
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