General Knowledge

1 points

You are driving on a straight, level highway at 50 mph. There are no vehicles in
front of you. Suddenly a tire blew out on your vehicle. What should you do first?

Stay off the brake until the vehicle has slowed down
Begin light braking.
Begin emergency braking.

1 points

You are driving a new truck with a manual transmission. What gear will you
probably have to use to take a long, steep downhill grade?

The same gear you would use to climb the hill.
A lower gear than you would use to climb the hill.
A higher gear than you would use to climb the hill.

1 points

You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?

Rust around wheel nuts may mean that they are loose
A vehicle can be safely driven with one missing lug nut on a wheel.
Mismatched lock rings can be used on the same vehicle.

1 points

You are checking your tires for a pre-trip inspection. Which of these statements is true?

Tires of mismatched sizes should not be used together in the same vehicle.
Radial and bias-ply tires can be used together on the same vehicle.
2/32 inch tread depth is safe for front tires.

1 points

If a straight vehicle (not trailer or articulation) goes into front-wheel skid, it will:

Slide sideways and spin out.
Go straight ahead even if the steering wheel is turned.
Go straight ahead but will turn if you turn the steering wheel.

1 points

If you need to leave the road in the traffic emergency, you should:

Try to get all wheels off the pavement.
Avoid braking until your speed has dropped to about 20 mph.
Avoid a shoulder because most shoulders will not support a large vehicle.

1 points

Which of these statements about certain types of cargo is true?

Unstable load such as hanging meat or livestock can require extra caution on curves.
Oversize load can be hauled without special permit during times when the roads are not busy.
When liquids are hauled, the tank should always be loaded totally full.

1 points

According to the driver’s manual, why you should limit the use of your horn?

It can startle other drivers.
The horn is not a good way to let others know you are there.
You should keep firm grip on the steering wheel with both hands at all times.

1 points

You do not have a hazardous materials endorsement on your commercial driver’s license. You are asked to deliver hazardous materials in a placarded vehicle. You should:

Refuse to haul the load.
Haul the load but only to the nearest place where a driver with Hazardous Materials Endorsement can take over.
Haul the load but file a report with the Department of Transportation after the trip.

1 points

Which of these statements about staying alert to drive is true?

A half-hour break for coffee will do more to keep you alert than a half-hour nap.
If you must stop to take a nap, it should be at a truck stop or other rest area and never on the side of the road.
Sleep is the only thing that can overcome fatigue.

1 points

Your vehicle has hydraulic brakes. While traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?

Pumping the brake pedal may bring the pressure up so you can stop the vehicle.
The parking brake will not work either because it is a part of the same hydraulic system.
Shifting into neutral will help to slow the vehicle.

1 points

You are driving a vehicle at 55 mph on dry pavement. About how much total stopping distance will you need to bring it to a stop?

Twice the length of the vehicle.
Half the length of the football field.
The length of a football field.

1 points

Which of these statements about cold weather driving is true?

An engine cannot overheat when the weather is very cold.
Windshield washer antifreeze should be used.
Exhaust system leaks are less dangerous in cold weather.

1 points

When driving at night, you should:

Look to the left side of the road when a vehicle is coming toward you.
Adjust your speed to keep your stopping distance within your sight distance.
Deem your lights within 300 feet of an oncoming vehicle.

1 points

Which of these statements about downshifting is true?

When you downshift for a curve, you should do so before you enter the curve.
When you downshift for a hill, you should do so after you start down the hill.
When double-clutching, you should let the rpms decrease while the clutch is released and the shift lever is in neutral.

1 points

For your safety, when setting out reflective triangles you should:

Hold the triangles between yourself and oncoming traffic.
Keep them out of sight while you walk to the spots where you set them out.
Turn on your flashers.

1 points

As the blood alcohol concentration (BAC) goes up, what happens?

The drinker more clearly sees how alcohol is affecting him/her.
The effects of alcohol decrease.
Judgment and self-control are affected.

1 points

Which of these s good thing to remember about using mirrors?

You should look at a mirror for several seconds at a time.
Convex mirrors make things look larger and closer than they really are.
There are "blind spots” that your mirror cannot show.

1 points

Hydroplaning :

Only occurs when there is a lot of water.
Cannot occur when driving through a puddle.
Is more likely if tire pressure is low.

1 points

If you are being tailgated, you should:

Increase your following distance.
Flash your brake lights.
Signal the tailgater when it is safe to pass you.

1 points

A key principle to remember about loading cargo is to keep the load:

To the front.
To the rear.
Balanced in the cargo area.

1 points

How far should a driver look ahead of the vehicle while driving?

5-8 seconds.
12-15 seconds.
18-21 seconds.

1 points

How do you correct a rear-wheel acceleration skid?

Apply more power to the wheels.
Stop accelerating.
Downshift.

1 points

The purpose of the retarders is to:

Help slow the vehicle while driving and reduce brake wear.
Apply extra braking power to the non-drive axles.
Help prevent skids.

1 points

Controlled braking:

Can be used when you are turning sharply.
Involves locking the wheels for short period of time.
Is used to keep a vehicle in a straight line when braking.

1 points

Which of these s a good thing to do when steering to avoid a crash?

Apply the brakes while turning.
Steer with one hand so that you can turn the wheel more quickly.
Don’t turn anymore than needed to clear what is in your way.

1 points

You should stop driving:

After 5 hours.
After 9 hours.
Whenever you become sleepy.

1 points

Which of these s NOT a good rule to follow when caring for injured person at an accident scene?

If a qualified person is helping them, stay out of the way unless asked to assist.
Keep an injured persons cool.
Move severely injured person if there is a danger due to fire or passing traffic.

1 points

You should avoid driving through deep puddles or flowing water. But if you must, which of these steps can help to keep your brakes working?

Gently putting on the brakes while driving through the water.
Applying hard pressure on both the brake pedal and accelerator after coming out of the water.
Turning on your brake heater.

1 points

Which of these statements about drugs is true?

A driver can use any prescription drug while driving.
Amphetamine, (“pep pills” or “bennies") can be used to help the driver stay alert.
Use of drugs can lead to an accident and/or arrest.

1 points

Which of these ¡s good thing to remember when crossing or entering traffic with a heavy vehicle?

Heavy vehicles need larger gaps in traffic than cars.
The best way to cross the traffic is to pull the vehicle partway across the road and block one lane while waiting for the other to clear.
Because heavy vehicles are easy to see, you can count on other drivers to move out of your way or slow down for you.

1 points

You are drving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?

Keep the clutch slipping while slowly accelerating.
Use the parking brake to hold the vehicle until the clutch engages.
Let the vehicle roll backwards a few feet before you engage the clutch, but turn the wheel so that the back moves away from the roadway.

1 points

You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:

Slow down to a safe speed before the Curve.
Slow to the posted speed limit for the off-ramp.
Wait until you are in the curve before downshifting.

1 points

You must park on a side of a level, straight, four-lane divided highway. Where should you place the reflective triangles?

One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear.
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet to the front of the vehicle.
One within 10 feet of the front of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear.

1 points

You are driving on a two-lane road. An oncoming driver drifts into your lane and is headed straight for you. Which of these is most often the best action to take?

Hard braking.
Steer to the right.
Steer onto the left shoulder.

1 points

Brake “fade”:

Can be caused by the brakes getting very hot.
Can be corrected by letting up on the brakes for 1-2 seconds and then reapplying them.
Is a problem that only occurs with drum brakes.

1 points

Which of these statements about engine overheating is true?

You should never shut off an overheated engine until it cools.
You should never remove the radiator cap on a pressurized system until the system is cooled.
Antifreeze is not needed when the weather is warm.

1 points

Which of these statements about engine overheating is true?

You should assume posted clearance signs are correct.
The weight of a vehicle changes its height.
If the road surface causes your vehicle to tilt toward objects at the edge of the road, you should drive close to the shoulder.

1 points

Which of these statements about vehicle fire is true?

If cargo in a van or box trailer catches on fire, you should open the cargo door as soon as possible.
If your engine is on fire, you should open the hood as soon as you can.
A burning tire should be cooled with water.

1 points

You are driving a long vehicle that makes wide turns. You want to turn left. Streets are two-lane two-way. You should:

Begin turning your vehicle as soon as you enter the intersection.
Begin turning your vehicle when you are halfway through the intersection.
Turn into the left lane of crossing street and then move to the right lane when the traffic is clear.

1 points

You must drive On a slippery road. Which of these is a good thing to do in such a situation?

Use a smaller following distance.
Apply the brakes while on curves.
Slow down gradually.

1 points

Which of these statements about acceleration is true?

When traction is poor, more power should be applied to the accelerator.
Rough acceleration can cause mechanical damage.
You should feel a jerking motion if you accelerate your vehicle properly.

1 points

Which of these statements about brakes is true?

The heavier a vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it.
Brakes have more stopping power when they get very hot.
Brake drums cool very quickly when the vehicle is moving very fast.

1 points

When the roads are slippery, you should:

Make turns as gently as possible.
Stop and test the traction while going uphill.
Decrease the distance that you look ahead of your vehicle.

1 points

You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is NOT true?

Brake shoes should have brake fluid on them.
One missing leaf in a leaf spring can be dangerous.
Cracked drum should be replaced.

1 points

The driver’s manual suggests several things to do, when you pass a vehicle. Which of these in NOT the one of them?

Lightly tap your horn.
At night, turn on your high beams before you start to pass and leave them until you have completely passed the vehicle.
Assume that other driver does not see you.

1 points

The distance that you should look ahead of your vehicle while driving amounts to about ____ miles at normal highway speed.

1/8.
1/4.
1/2.

1 points

You are starting your vehicle in motion from a stop. As you apply power to the drive wheels, they start to spin. You should:

Take your foot off the accelerator.
Take your foot off the accelerator and apply the brakes.
Try a lower gear.

1 points

Which of these is the most important thing to remember about emergency braking?

Disconnecting the steering axle brakes will keep your vehicle in a straight line during emergency braking.
If the wheels are skidding, you cannot control your vehicle.
Never do it without downshifting first.

1 points

Which of these statements about tires and hot weather driving is true?

You should inspect your tires every two hours or every 100 miles when driving in very hot weather.
The air pressure of a tire decreases as the temperature of the tire increases.
If tires were too hot to touch, letting five or ten pounds of pressure out would cool them down.

1 points

Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time?

You can almost always turn to miss an obstacle more quickly than you can stop.
Stopping is always the safest action ¡n a traffic emergency.
Leaving the road is always more risky than hitting another vehicle.

1 points

In case of which fires can you use water to put it out?

Electrical fires.
Gasoline fires.
Tire fires.

1 points

To help you to stay alert while driving, you should:

Schedule trips for hours that you are normally asleep.
Take short breaks before you get drowsy.
Take cold medicine if you have a cold.

1 points

To avoid a crash, you had to drive into the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back into the pavement?

Brake hard to slow the vehicle, then steer sharply onto the pavement.
If the shoulder is clear, stay on the right until your vehicle comes to a stop then move back into the pavement when it is safe.
Steer sharply onto the pavement, then brake hard as you countersteer.

1 points

Which of these statements about driving in areas with strong wind is true?

You should drive alongside other vehicles to help break up the wind.
The lighter your vehicle, the less trouble you will have with the wind.
Winds are especially a problem when coming out of tunnels.

1 points

Which of these is a good thing to do when driving at night?

Look directly at the oncoming headlights only briefly.
Keep your speed slow enough that you can stop within the range of your headlights.
Keep your instrument lights bright.

1 points

You are driving a 40-foot vehicle at 35 mph. The road is dry and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?

3 seconds.
4 seconds.
5 seconds.

1 points

What is the proper way to hold a steering wheel?

With both hands close together, near the top of the wheel.
With both hands close together, near the bottom of the wheel.
With both hands, on opposite sides of the wheel.

1 points

High beams should be:

Used when it is safe and legal to do so.
Turned on when an oncoming driver does not dim his/her lights.
Dimmed at the time when you get within 100 feet of another vehicle.

1 points

You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?

The vehicle is hauling hazardous materials.
It may be a slow moving vehicle.
It is being driven by a student driver.

1 points

Which of these is NOT part of the pre-trip inspection of the engine compartment?

Valve clearance.
Engine oil level.
Worn electrical wiring insulation.

1 points

The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?

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

1 points

You are driving a vehicle that could safely be driven at 55 mph on an open road. But traffic is heavy and other vehicles drive at the speed 35-mph, though the speed limit is 55. The safest speed for your vehicle is more likely to be:

35 mph.
45 mph.
55 mph.

1 points

What is countersteering?

Turning the steering wheel counterclockwise.
Using the steering axle brakes to prevent oversteering.
Turning the wheel back in the other direction after steering to avoid a traffic emergency.

1 points

Which of these statements about backing a heavy vehicle is true?

You should avoid backing whenever you can.
Helpers should be out of the driver’s sight and use only voice (spoken) signals to communicate with the driver.
It is safer to back toward the right side of the vehicle than toward the driver’s side.

1 points

It is safer to back toward the right side of the vehicle than toward the driver’s side.

If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear reflective triangle should be moved down the road to give adequate warning.
You do not need to put out reflective triangles unless the vehicle will be stopped for 30 minutes or more.
The vehicle’s taillights should be kept on to warn other drivers.

1 points

Which of these best describes how you should use the brake pedal on a steep downhill grade?

Light, pumping action.
Light, steady pressure.
Repeated strong pressure then release.

1 points

Which of these statements about using turn signals is true?

You do not need to use your turn signal when changing lanes in traffic on a four-lane highway.
When turning, you should signal early.
You should use your turn signal to mark your vehicle when it is pulled off on the side of the road.

1 points

Which of these statements about double clutching and shifting is true?

You can use the tachometer to tell you when to shift.
Double clutching should not be used when the road is slippery.
Double clutching should only be used with a heavy load.

1 points

Which of these statements about speed management is true?

Empty trucks always stop in a shorter distance than fully loaded.
When you double your speed (go twice as fast), it will take twice the distance to stop.
You should choose a speed that lets you stop within the distance that you can see ahead.

1 points

Retarders –

Can cause the driver wheels to skid when they have poor traction.
Cause extra brake wear
Work when you apply the brake pedal.

1 points

To correct a drive wheel braking skid, you should:

Increase braking.
Increase braking, turn quickly, and countersteer.
Stop braking, turn quickly, then countersteer.

1 points

When exiting or entering on a curved freeway ramp, you should:

Maintain the posted speed limit.
Maintain a speed 5-10 mph under the posted speed limit.
Slow down to at least 50 % of the posted speed limit.

1 points

Which of the following vehicles will have the longest stopping distance?

Empty truck.
Loaded truck.
Bobtail tractor.

1 points

How many red reflective triangles are you required to carry?

2
3
4

1 points

You are required to inspect your truck within how many miles after beginning the trip?

100.
150.
25.

1 points

There are two types of jackknife; they are:

Trailer.
Tractor.
Both A and B.

1 points

The new BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:

0.04
0.01
0.10

1 points

Where should the ignition key be during the pre-trip inspection?

In the ignition.
In your pocket.
On the driver’s seat.

1 points

When loading a trailer, if the cargo is loaded all to the rear, it may result in:

Wheel lockup.
Damage to steering axle.
Poor traction on drive wheels.

1 points

Communication means:

Talking with law enforcement officers
To communicate your intention to other motorists.
To talk on the CB radio.

1 points

If you are convicted for driving under the influence while driving a commercial vehicle, and this is your first offence, you most likely will get:

A probation period for 1 year.
At least one year suspension of your CDL.
A fine of $ 2500.00

1 points

If you are stopped at a roadside rest area and found to have a BAC (Blood Alcohol Concentration) of 0.02 you will:

Be placed out of service for 72 hours.
Be in deep trouble with your dispatcher.
Be placed out of service for 24 hours.

1 points

Which of the following statements about speed management is true?

If you double your speed, stopping distance will double.
Empty truck and loaded trucks will have the same stopping distance.
If you double your speed, stopping distance will be increased by 4 times.

1 points

You are traveling down a long, steep hill. Your brakes get so hot that they have failed. What should you do?

Downshift and pump the brake pedal.
Look for an escape ramp or escape route.
Both of the above.

1 points

The center of gravity of a load:

Should be kept as high as possible.
Can make a vehicle more likely to tip over on curves if it is high.
Is only a problem if the vehicle is overloaded.

1 points

To prevent a load from shifting, there should be at least one tie down for every ______ feet of cargo.

10
15
20

1 points

While driving ice builds up on your wipers and they no longer clean the windshield. You should:

Keep driving, and turn your defroster on.
Keep driving and spray the windshield with washer fluid.
Stop safely and fix the problem.

1 points

When the hydraulic brakes fail while you are driving, the system will not build up pressure and the brake pedal will feel spongy or goes to the floor. What should you do?

Pump the brake pedal to generate pressure.
Push down the brake pedal as hard as you can.
Put the vehicle in neutral and set the parking brake.

1 points

Which may be a sign of tire failure?

Wheels skidding.
A loud hissing noise.
Vibration.

1 points

To prevent brake fade you should:

Coast downhill, which is not very steep.
Apply constant hard pressure on the brakes while driving downhill.
Select the gear, which will keep your vehicle to a safe speed on a deep downgrade.

1 points

A full stop is required at railroad crossing when:

There are no flagman, warning signals or gate at the crossing.
The nature of a cargo makes a stop mandatory under the State or Federal regulations.
The crossing is located in the city or town with a frequent train transit.

1 points

When driving at night you should use your low beams when oncoming vehicle is within of how many feet?

400
500
300

1 points

When driving through the work zone you should:

Reduce your speed only if workers are close to the roadway.
Turn on your parking lights.
Watch for sharp pavement drop off.

1 points

Watch for sharp pavement drop off.

Always dangerous.
Is not dangerous if you don’t have to turn.
Not dangerous if you have a helper.

1 points

When you are parked at the side of the road at night you must:

Turn on your four-way emergency flashers to warn others.
Put out your emergency warning lights within 30 minutes.
Use your taillights to give warning to other drivers.

1 points

You must stop on a hill or curve on a two-lane two-way road. How far should you place reflective triangles?

As far back as necessary so others can see you.
Within 200 feet behind you.
Within 500 feet behind you.

1 points

Stab braking should not be used on vehicle with:

Trailers.
Anti-lock brakes.
Hazardous materials.

1 points

Sometimes you need to leave a road to avoid a hazard or emergency. When you do so you should keep in mind, that:

Most shoulders are not strong enough to support a heavy vehicle.
You might be unable to reenter the road because of the gravel used on shoulders.
It is less dangerous to drive onto the shoulders than to make a collision.

1 points

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

Vehicle’s fishtail.
Steering wheel twisting.
Cold steering.

1 points

Most skids:

Happen on ice.
Do not happen with radial tires.
Are caused by going too fast or trying to stop too quickly.

1 points

In a bad weather many car drivers tailgate large vehicles. What should you do?

Increase your following distance.
Lightly tap your brake to warn the tailgater to drop back.
Speed up to distance yourself from the tailgater.

1 points

Which of the following systems should receive extra attention during winter weather inspection?

Suspension.
Exhaust.
Steering.

1 points

What happens to tar on the road pavement during hot weather?

Nothing.
It becomes staining making tires stick to the road.
It bleeds making the road surface slippery.

1 points

What is the best advice for driver when a heavy fog occurs?

Park the truck until the fog disappears.
Alternate your own high beams to improve your vision.
Do not drive too slowly or other drivers may hit you.

1 points

In mounting driving you will have to use a lower gear to drive safely on a grade. Which of these does NOT affect your choice of gear?

The length of the grade.
The weight of the load.
Tire tread’s depth.

1 points

What should you do before driving in mountains?

Know escape ramps location on your way.
Unhook your steering axle brake.
Carry the tire chains in your vehicle.

1 points

Escape ramps:

Should be used by any driver who loosses braking power.
Are not designed for tractors-double trailers.
Are designed to slow vehicles so they can get back on the road at the safe speed.

1 points

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

An exact location is not necessary; just identify the road and the vehicles involved.
You should notify authorities about an accident before doing anything else.
If you have a cellular phone or CB radio you should notify the authorities before exiting the vehicle.

1 points

If you are not sure what to use to put out the hazardous material fire you should:

Wait for fire fighters.
Use water.
Use dirt.

1 points

Which of these is NOT a danger of a rough acceleration?

Mechanical damage
Tire damage.
Damage of a coupling.

1 points

Which of these lights cannot be checked at the same time?

Turn signals, taillights, and clearance lights.
Turn signals, brake lights, and four-way flashers.
Headlights, brake lights, and clearance lights.

1 points

You are inspecting hydraulic brakes. You should pump the brake pedal three times then apply firm pressure to the pedal for five seconds. If the brakes are working properly, the pedal should:

Depress slightly.
Sink to the floor.
Not move.

1 points

Drivers of trucks and tractors-trailers with cargo must check that the cargo well secured within the first _____ miles of the trip.

25
50
100

1 points

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

Parking brakes.
A tire check.
Slow acceleration.

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