General Knowledge2 (Drivingtests.org)

Blocking the cargo to keep it from shifting must be done:

at the cargo deck.

only at the front of a piece of cargo.

at the front, back, or sides of a piece of cargo.

How many reflective warning triangles must you carry with you for emergencies?

2

3

4

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

to the front.

to the rear.

balanced in the cargo area.

Which of the following best describes how sleep debt can be paid off?

It can be overcome with willpower and stimulants.

It can only be paid off by sleeping.

It will go away by itself over a period of time.

How far ahead should you be looking while driving in town?

One block.

Two blocks.

As far ahead as you can see.

Your GPS device:

Should be made in the USA.

Should have a suction-cup mount.

Should be designed for truck navigation.

A driver’s logbook:

May be written in pencil.

Must be shown immediately if an officer requests it.

May be brought up to date once a week.

While you’re driving, ice builds up on your wipers and they no longer clean the windshield. What should you do?

Stop safely and fix the problem.

Keep driving and turn your defroster on. Slow down until you can see again.

Keep driving and spray the windshield with washer fluid.

Heavy vehicles must sometimes travel more slowly than other traffic. Which of these is NOT a good rule to follow when you are driving such a vehicle?

Turn on your four-way flashers if it is legal to do so.

Keep right.

Signal other drivers when it is safe for them to pass you.

If the vehicle in front of you is smaller than yours, it can probably:

Stop faster than you.

Make turns faster than you.

Outrun you.

Cargo that can shift should have at least ____ tie-down(s).

1

2

3

A major cause of fatal crashes is:

Poorly adjusted brakes.

Driving too fast for road conditions.

Overinflated tires.

How does “bleeding tar” affect the road surface and driving conditions?

It makes the road slippery.

It does not affect the road surface or driving conditions.

It is very sticky and slows down your vehicle.

If you cannot avoid driving through deep puddles or flowing water, which of the following can help keep your brakes working?

Turn on your brake heaters.

Press both the brake pedal and the accelerator firmly after coming out of the water.

Gently apply the brakes while driving through the water.

High beams should be:

Flashed on when an oncoming driver does not dim his or her lights.

Dimmed whenever you get within 1,000 feet of another vehicle.

Used when it is safe and legal to do so.

Brake fade:

Can be corrected by letting up on the brakes for 1-2 seconds and then reapplying them.

Only occurs with drum brakes.

Can be caused by the brakes becoming too hot.

Containerized loads:

do not need to be inspected or secured by the driver.

should come with their own tie-down devices.

are typically used for freight carried partway by rail or ship.

Hydroplaning:

Is more likely when the tire pressures are low.

Only occurs at speeds above 50 mph.

Cannot occur while you're driving through a puddle.

If you have a heavy load that is slowing you down on an upgrade, you should:

Exit the roadway until traffic is lighter.

Drive on the shoulder so that others can pass you easily.

Shift into a lower gear.

If you do not have a CB radio, what is the first thing you should do at an accident scene?

Protect the accident scene.

Clear the area.

Flag down help.

If a straight vehicle (no trailer or articulation) goes into a front-wheel skid, it will:

Slide sideways and spin out.

Go straight ahead even if the steering wheel is turned.

Go to the right.

How do you correct a drive-wheel acceleration skid?

Apply more power to the wheels.

Stop accelerating.

Stop accelerating. Countersteer the steering wheel.

A vehicle is loaded with most of the weight on the steering axle. What may result?

Hard steering and possible damage to the tires.

Better handling.

Too little traction on the steering axle.

How do you test hydraulic brakes for leaks?

Drive slowly and pump the brake pedal. Make sure it doesn't hit the floor.

Drive 20 mph and slam on the brakes.

Pump the brake pedal three times; then apply firm pressure to the pedal and hold it for five seconds. The pedal should not move.

When you park your vehicle and shut off the engine, you should usually:

Leave it in gear (if it has a manual transmission).

Turn the steering wheel as far to the left as you can.

Apply the parking brake.

How long does it take a typical tractor-trailer to clear a single railroad track? A double railroad track?

It takes 14 seconds to clear a single track and more than 15 seconds to clear a double track.

It takes 7 seconds to clear a single track and more than 10 seconds to clear a double track.

It takes 10 seconds to clear a single track and more than 12 seconds to clear a double track.

If you are convicted of operating a CMV while under the influence of alcohol or drugs (OWI) and this was your first offense, you will most likely face:

at least a one-year suspension of your CDL.

24 hours in jail.

a fine of $500.

How can you test the parking brake?

Set the parking brake at highway speeds.

Move back slowly and set the parking brake.

Set the parking brake and pull forward gently.

How does the height of a vehicle’s center of gravity affect safe handling?

Trucks with a high center of gravity can stop faster.

Trucks with a high center of gravity can get stuck on railroad tracks.

Trucks with a high center of gravity can roll over at the posted speed limit for a curve.

A car suddenly cuts in front of you. What should you NOT do?

Honk and stay close behind the car.

Slow down.

Signal and change lanes to avoid the car if possible.

During a pre-trip inspection, you discover an exhaust leak or power steering leak. You should:

report the problem and make arrangements to use another vehicle.

go home because you shouldn't drive the vehicle this way.

note the problem and continue your route.

All of the following behaviors are signs of aggressive driving EXCEPT:

Purposely blocking another vehicle from changing lanes.

Changing speeds frequently.

Purposely straddling two lanes of traffic.

As your blood alcohol concentration (BAC) rises, what happens?

Your judgment and self-control are affected.

You see more clearly how alcohol is affecting you.

You can sober up in less time.

How far ahead should you look while driving?

5–10 seconds.

12–15 seconds.

15–30 seconds.

If you have been drinking alcohol, before you drive, you should:

take a cold shower.

wait for it to wear off.

drink coffee.

Dry bulk cargoes and hanging meat:

do not require special care.

have low centers of gravity.

are unstable loads.

If you are found to have a blood alcohol concentration (BAC) of 0.02%, you will be placed out-of-service for:

48 hours.

24 hours.

72 hours.

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

Hold the triangles between yourself and oncoming traffic.

Carry the triangles at your side.

Keep them out of sight while you walk to the spots where you'll set them out.

Can federal inspectors inspect your truck or bus?

Yes, and they might place it out-of-service.

Yes, but they will not place it out-of-service.

No.

If you are driving a long distance, you should:

stop often and take short breaks before you feel really drowsy or tired.

take a short break once or twice during the trip when you are feeling tired or drowsy.

avoid short breaks but keep the window open.

Escape ramps are:

For combination vehicles only.

Used to get out of a burning truck.

Used to stop runaway vehicles.

Converter dollies built on or after March 1, 1998 are required to have anti-lock brakes. These dollies will have:

a yellow malfunction lamp on the left side of the dolly.

a yellow malfunction lamp in the center of the dolly.

a yellow malfunction lamp on the right side of the dolly.

Controlled braking:

Involves locking the wheels for short periods of time.

Involves keeping a vehicle in a straight line when braking.

Can be used while you are turning sharply.

Before transporting a sealed load, you must check that:

the load is properly secured.

the seal is authentic.

the placard numbers match the seal numbers.

How can you avoid wet brake problems?

Speed up or shift into a higher gear.

Slow down, shift into a low gear, and gently apply the brakes.

Apply the brakes harder and faster.

Convex curved mirrors:

Make objects appear closer than they really are.

Show a wider area than flat mirrors.

Make objects appear larger than they really are.

If you are being tailgated, you should:

Signal the tailgater when it is safe to pass you.

Flash your brake lights.

Increase your following distance.

You are driving a heavy vehicle on a highway, and you plan to exit onto an off-ramp that curves downhill. You should:

Slow down to a safe speed before taking the curve.

Slow down to the posted speed limit for the off-ramp.

Wait until you are in the curve before downshifting.

According to the Commercial Driver License Manual, why should you limit the use of your horn?

It can startle other drivers.

It wears down the battery.

The horn is not a good way to let others know you're there.

Bridge formulas specify:

Less maximum axle weight for axles that are close together.

Less maximum axle weight for axles that are far apart.

The same maximum axle weight for any axle spacing.

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