CDL section 2 prep

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

-Steer to the right.

The distance that you should look ahead of your vehicle while driving is about at low speed is:

1 block

Brake drums (or discs) must not have cracks longer than____the width of the friction area.

1/2

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

1/2

The distance that you should look ahead of your vehicle while driving amounts to about how many miles?

1/4 of a mile

If you have a road emergency and must park on the shoulder. How soon should you put out your triangles?

10 minutes

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

12-15 seconds

Which of these statements about vehicle fire is true? -A burning tire should be cooled with water. -If your engine is on fire, you should open the hood as soon as you can. -If cargo in a van or box trailer catches on fire, you should open the cargo door as soon as possible.

A burning tire should be cooled with water

Which of these is NOT a danger when an automatic transmission is forced into a low gear at a high speed? •A loss of steering control. •A loss of engine braking effect. •Damage to the transmission.

A loss of steering control

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

A lower gear than you used to climb the hill

When driving at night you should:

Adjust your speed to keep your stopping distance within your sight distance

You will be placed out-of-service for 24 hours if your blood alcohol concentration (BAC) is:

Any detectable amount

Containerized loads:

Are generally used for freight carried part way by rail or ship.

The driver's manual suggests several things to do when you pass a vehicle. Which of these is NOT one of them? -At night, turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle. -Assume that another driver does not see you. -Lightly tap your horn.

At night, turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle.

Which of these do not provide extra gears on some trucks? O Auxiliary transmission. O Multi-speed rear axles. O Automatic transmission.

Automatic transmission

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

Avoid braking until your speed has dropped to about 20 mph.

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

Balanced in the cargo area

During the vehicle inspection, checking of ___ will NOT prevent a fire.

Battery fluid level

which of these is not a brake check you normally do during your walk-around inspection? O Brake adjustment. O Condition of hoses. O Hydraulic brake cylinders leaks.

Brake adjustment

You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is NOT true? -One missing leaf in a leaf spring can be dangerous. -Cracked drum should be replaced. -Brake shoes should have brake fluid on them.

Brake shoes should have brake fluid on them (is incorrect)

Which of the following is NOT a characteristic of tire failure? • Cold steering. • Steering wheel twisting. • Vehicle's fishtail.

Cold steering

After starting the engine, the:

Coolant temperature gauge should begin a gradual rise to normal.

Which of these is a good thing to do when steering to avoid a crash? -Steer with one hand so that you can turn the wheel more quickly. -Apply the brakes while turning. -Don't turn any more than needed to clear what is in your way.

Don't turn any more than needed to clear what is in your way.

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

Gently putting on the brakes while driving through the water.

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

Go straight even if the steering wheel is turned

Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle? -The best way to cross the traffic is to pull the O 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 slow down for you. -Heavy vehicles need larger gaps in traffic than cars.

Heavy vehicles need larger gaps in traffic than cars.

The purpose of retarders is to:

Help slow the vehicle while driving and reduce brake wear.

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

Hold the triangles between yourself and oncoming traffic

Which of these should be tested while the vehicle is stopped?

Hydraulic brakes

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

Ice should be removed from the radiator shutter

Which of these is true about notifying the authorities after an accident occurs? - You should notify authorities about an accident before doing anything else. - An exact location is not necessary just identify the road and the vehicles involved. - If you have a cellular phone or CB radio you should notify the authorities before exiting the vehicle.

If you have a cellular phone or CB radio you should notify the authorities before exiting the vehicle.

If you are being tailgated, you should:

Increase your following distance

Controlled braking:

Is used to keep a vehicle in a straight line when braking.

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

It can startle other drivers.

Which of these should you NOT do in an emergency situation? • It is not important how you brake in an emergency situation. • You should brake in a way that keeps your vehicle in a straight line. • You should avoid using the brakes until your speed is down to 20 mph.

It is not important how you brake in an emergency situation

As the blood alcohol concentration goes up, what happens?

Judgement and self control are affected

Which of these is NOT a good rule to follow when caring for injured persons at an accident scene? - Keep injured persons cool. -If a qualified person is helping them, stay out of the way unless asked to assist. -Move severely injured person if there is a danger due to fire or passing traffic.

Keep injured persons cool. They should be kept warm

Bridge formulas permit:

Less maximum axle weight for axles that are close together.

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

Maintain a speed 5-10 mph under the posted speed limit.

When roads are slippery, you should:

Make turns as gently as possible

The engine brake effect is greater when the engine is ____ governed RPM and the transmission is on a ____ gear.

Near, lower.

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

Which of these statements about the hazard vehicle fire is true? • Under inflated tires cannot cause a vehicle fire. • Poor cargo ventilation may cause cargo to catch on fire. • Carrying a fully charged fire extinguisher may prevent a fire.

Poor cargo ventilation may cause cargo to catch on fire

If you do not have a CB radio, what procedure should you follow on an accident scene?

Protect the area

When driving in cold weather your tire tread should:

Provide enough traction to push the rig over wet pavement and through snow.

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

Pump the brake pedal to generate pressure

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.

Pumping the brake pedal may bring the pressure up so you can stop the vehicle.

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

Refuse to haul the load.

Which of these statements about acceleration is true? -When traction is poor, more power should be applied to the accelerator. -You should feel a jerking motion if you accelerate your vehicle properly. -Rough acceleration can cause mechanical damage.

Rough acceleration can cause mechanical damage.

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. -Mismatched look rings can be used on the same vehicle. -A vehicle can be safely driven with one missing lug nut on a wheel.

Rust around wheel nuts may mean that they are loose.

Escape ramps:

Should be used by any driver who loses braking power.

Which of these statements about staying alert to drive is true? -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. -A half-hour break for coffee will do more to keep you alert than a half-hour nap. -Sleep is the only thing that can overcome fatigue.

Sleep is the only thing that can overcome fatigue.

You must drive on a slippery road. Which of these is a good thing to do in such a situation? -Apply the brakes while on curves. - Use a smaller following distance. - Slow down gradually.

Slow down gradually

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

Stay off the brake until the vehicle slowed down because braking while a tire is failing could lead to loss of control. Allow your vehicle to slow down then brake, pull of the road and stop

To avoid an accident you moved to the shoulder. The shoulder is clear, you should:

Stay on shoulder until your vehicle has come to a stop.

how do you improve a drive-wheel acceleration skid?

Stop accelerating

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

Take your foot off the accelerator.

Which of these statements about brakes is true? -Brakes have more stopping power then they get very hot. -The heavier a vehicle or the faster it is moving, the more heat the brakes must absorb to stop it. -Brake drums cool very quickly when the vehicle is moving very fast.

The heavier a vehicle or the faster it is moving, the more heat the brakes must absorb to stop it.

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?

The length of a football field

Gross Combination Weight Rating

The value specified by the manufacturer as the loaded weight of a combination vehicle is?

Gross Vehicle Weight Rating (GVWR) means the following?

The value specified by the manufacturer as the loaded weight of a single vehicle.

Which of these statements about overhead clearance is true? -You should assume posted clearance signs correct. -If the road surface causes your vehicle to tilt toward objects at the edge of the road, you should drive close to the shoulder. -The weight of a vehicle changes height.

The weight of a vehicle changes height.

Which of these is a 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.

There are blind spots that your mirror cannot show

Which of these is NOT a danger of a rough acceleration? O Mechanical damage. O Tire damage. © Damage of a coupling.

Tire damage

Hydroplaning is more likely when:

Tire pressure is low

You are checking your tires for a pre-trip inspection. Which of these statements is true? - 2/32-inch tread depth is safe for front tires. -Radial and bias-ply tires can be used together on the same vehicle. -Tires of mismatched sizes should not be used together in the same vehicle.

Tires of mismatched sizes should not be used together in the same vehicle.

Gross vehicle weight means the following:

Total weight of a single vehicle plus its load

Your brakes can get wet when driving through heavy rain. What can happen if the brakes are applied?

Trailer jack knife (Water in the brakes can cause the brakes to be weak, to apply unevenly, or to grab. This can cause lack of braking power, wheel lockups, pulling to one side or the other, and jackknife if you pull a trailer)

Which of these lights cannot be checked at the same time? -Headlights, brake lights, and clearance lights. -Turn signals, brake lights, and four-way flashers. -Turn signals, tail lights, and clearance lights.

Turn signals, brake lights, and four-way flashers.

Which of these statements about certain types of cargo is true? -Oversize load can be hauled without special permit during times when the roads are not busy. -Unstable load such as hanging meat or livestock can require extra caution on curves. - When liquids are hauled, the tank should always be loaded totally full.

Unstable load such as hanging meat or livestock can require extra caution on curves.

Which of these statements about drugs is true? -A driver can use any prescription drug while driving. -Use of drugs can lead to an accident and/or arrest. -Amphetamines can be used to help the driver stay alert.

Use of drugs can lead to an accident and/or arrest.

You are driving 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? -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. -Keep the clutch slipping while slowly accelerating. -Use the parking brake to hold the vehicle until the clutch engages.

Use the parking brake to hold the vehicle until the clutch engages. Do not roll back as you may hit someone

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

Use your four-way flashers or brake lights to warn others

To avoid an accident you moved to the shoulder. Forced to return to the road, you should:

Using mirrors and turn signals turn sharply to get back on the road.

Which may be a sign of tire failure? O A loud hissing noise. O Wheels skidding. O Vibration.

Vibration

Which of these pieces of emergency equipment should always be carried in your vehicle?

Warning devices for parking vehicle

Which of these statements about downshifting is true? -When you downshift for a hill, you should do so after you start down the hill. -When double-clutching, you should let the rpm decrease while the clutch is released, and the shift lever is in neutral. -When you downshift for a curve, you should do so before you enter the curve.

When you downshift for a curve, you should do so before you enter the curve.

You should stop driving:

Whenever you become sleepy

Which of these statements about cold weather driving is true? -An engine cannot overheat when the weather is very cold. -Exhaust system leaks are less dangerous in cold weather. -Windshield washer antifreeze should be used.

Windshield washer antifreeze should be used.

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

Within 500 feet behind you

Should brake adjustment be checked often?

Yes, because the brakes can get out of adjustment when they are used a lot

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.

You can use the tachometer to tell you when to shift

You should signal continuously while turning because:

You need both hands on the wheel to turn safely.

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.

You should never remove the radiator cap on a pressurized system until the system is cooled.

Brake fade:

can be caused by the brakes getting very hot

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. -lf the wheels are skidding, you cannot control your vehicle. -Never do it without downshifting first.

lf the wheels are skidding, you cannot control your vehicle.

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:

not move

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

poor traction on drive wheels

when going down a long steep downgrade you should always:

use the braking effect of the engine