General Knowledge8 (Drivingtests.org)

If you’re not sure what to use to put out a hazardous materials fire, what should you do?

Wait for qualified firefighters.
Use water.
Use dirt.

Which of these statements about rear drive-wheel braking skids is true?

With a tractor-trailer, the trailer can push the tractor sideways.
The front wheels slide sideways to try to "catch up" with the rear wheels.
Locked wheels usually have more traction than rolling wheels.

If your brakes fail on a downgrade, what should you do?

Wait until you find an escape ramp to exit the roadway.
Look outside your vehicle for another means of slowing down.
Hit some object in order to stop your vehicle.

Which of the following is true about drinking alcohol?

Small quantities of alcohol improve reaction time.
Alcohol first affects judgment and self-control.
The driver can control how fast the body gets rid of alcohol.

Which of the following can be tested in a moving vehicle?

Parking brake.
Service brake.
Hydraulic brake.

Which of these statements about hazardous materials is true?

Trucks carrying hazardous materials are allowed on all public roads if the trucks are loaded correctly.
All hazardous materials present a health and safety threat.
Every truck carrying any amount of hazardous materials must have placards.

What does emergency braking mean?

Using your vehicle's emergency brake.
Responding to a hazard by slowing your vehicle.
Pressing the brake pedal as hard as you can.

What should you do when you see a hazard in the roadway ahead of you?

Stop quickly and pull to the side of the road.
Use your four-way flashers or brake lights to warn others.
Swerve around it and get back in your lane.

You can use water to extinguish which of the following fires?

Electrical fires.
Tire fires.
Gasoline fires.

How or where is cargo blocking used?

Loosely around the cargo.
From the upper part of the cargo to the floor.
In the front, back, or sides of the cargo.

Which of the following is NOT characteristic of a front tire failure?

Difficult steering.
Steering wheel twisting.
Vehicle fishtailing.

Most serious skids result from:

Turning too sharply.
An uneven load.
Driving too fast for conditions.

Which of these statements about mirror adjustment in a tractor-trailer is true?

You can adjust the mirrors while you are driving.
You should adjust your mirrors before starting your trip.
The mirrors can be adjusted correctly even if the trailer is not straight.

If you have to complete a vehicle inspection report, you must sign it:

Only when defects are noted that are certified to not need repair.
Only when defects are noted that are certified to be repaired.
When any defects are noted whether they are certified to be repaired or not.

Which of these is a danger of crossing railroad tracks on dirt roads?

You could get hung up halfway across the tracks.
The ground underneath the tracks may not be stable.
Your tires could sink into the dirt and not cross the tracks

If you must cross into the oncoming lane as you make a right turn, you should:

Complete your turn without stopping.
Watch for oncoming traffic.
Back up to allow oncoming traffic to pass.

In winter, which of these systems should receive extra attention during an inspection?

Steering.
Suspension.
Exhaust.

Which of these is true about the radiator shutters and the winterfront during winter driving?

The engine may overheat if the winterfront is left open.
You should remove ice from the radiator shutters.
The winterfront should be closed tightly.

Which of these is true about notifying authorities after an accident occurs?

You should notify the police about the accident before you do anything else.
You don't have to give the police the exact location; just identify the road and the vehicles involved.
If you have a CB radio, use it to notify the police before you exit your vehicle.

What happens to tar in road pavement during hot weather?

It becomes gummy.
Nothing happens to it.
It bleeds.

Which of these statements about speed management in freezing weather is true?

Shady parts of the road will provide better traction than open areas.
Road surfaces will freeze before bridges.
Slight melting will make icy surfaces more slippery.

Which of these is the proper way to change lanes?

Signal before you change lanes, and change lanes slowly and smoothly.
Signal just as you begin to change lanes, and drift over slowly.
Signal before you change lanes, and move over quickly.

Should brake adjustments be checked often?

No, because the other brakes will compensate for a brake that is out of adjustment.
Yes, because brakes can get out of adjustment when they are used a lot.
It depends on how new the brakes are.

When starting a bus on a level surface with good traction, there is often no need for:

A tire check.
The parking brake.
Slow acceleration.

You’re behind the wheel of a tractor-trailer. When starting to move up a hill from a stop, you should:

Engage the clutch and accelerate quickly.
Keep the trailer brake hand valve applied until you reach 20 mph.
Release the parking brake as you apply engine power.

The speed at which you drive should be determined by which of the following?

Your schedule.
Your visibility.
Your engine type.

In the event of a rear tire failure, dual rear tires:

May prevent vibration or thumping.
Will allow you to brake immediately.
Will usually prevent fishtailing.

Tire chains:

Should always be carried when driving in winter weather.
Should only be used on the drive wheels.
Should never be used on asphalt.

Which do NOT provide extra gears on some trucks?

Auxiliary transmissions.
Multi-speed rear axles.
Automatic transmissions.

If you wish to turn left and there are two left-turn lanes, which of the following should you NOT do?

Use the right-hand turn lane.
Start your turn from the center of the intersection.
Start in the inside lane and swing right as you turn.

Which of these is NOT a brake check you normally do during your walkaround inspection?

Condition of hoses.
Brake adjustment.
Hydraulic brake cylinder leaks.

Which of these statements about emergency braking is FALSE?

You should brake in a way that will keep your vehicle in a straight line.
You should not press the brake pedal as hard as you can.
How you brake in an emergency is not that important.

Sometimes you must leave the road to avoid a hazard or emergency. When you do so, you should keep in mind which of the following?

Most shoulders are not strong enough to support the weight of a large vehicle.
You may be unable to re-enter the road because of the gravel used on shoulders.
It is less dangerous to drive onto the shoulder than to risk a collision.

Which of these statements about shipping hazardous materials is true?

Gas cylinders that will not hold a label must be shipped under cover.
A four-inch, diamond-shaped hazardous materials label must be on the container.
A four-inch, circular, red hazardous materials label must be on the container.

Which of these statements about a pre-trip inspection is TRUE?

Leave the key in the ignition.
If you need to tilt the cab, secure loose items first.
If you're parked on a street, face away from oncoming traffic.

Which of these statements about your overhead clearance is true?

Paving a road does not affect the clearance height under bridges or overpasses.
Warnings are always posted for low-clearance areas like bridges and overpasses.
The weight of cargo can change the height of your vehicle.

When the roads are slippery, you should:

stop and test the traction while going up hills.
decrease the distance that you look ahead of your vehicle.
make turns as gently as possible.

Which of these statements about inspection of suspension components is true?

Suspension components should be checked on all axles, except for the power unit.
Axle mounts should be checked at each point where they are secured to the vehicle frame and axle.
Distorted coil springs are safe if they are not broken.

When you are driving on a snow-packed road, you should reduce your speed by at least:

one-quarter.
one-half.
one-third.

The road you are driving on becomes very slippery from glare ice. Which of the following should you do?

Keep varying your speed by accelerating and braking.
Downshift to stop.
Stop driving as soon as you can safely do so.

When should you learn how a fire extinguisher works?

Only when a fire happens.
Only when you are transporting flammable materials.
Before a fire happens.

Before you drive in the mountains, what should you do?

Unhook your steering axle brakes.
Carry tire chains in your vehicle.
Learn the escape ramp locations on your route.

General Knowledge8 (Drivingtests.org)

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