CDL questions

If you've had 2 drinks, each with one oz of alcohol, it will typically take your body about ___________ hours to remove the alcohol from your system.

6hrs

While driving a bus, you should slow as you enter a curve, then_______.

Always reduce your speed before you enter the curve, and accelerate out of it. If your bus leans toward the outside of the curve, it means you're driving too fast. This can be dangerous.

which of the following statements about tank vehicles is TRUE?

Because liquid moves so much during travel, hauling liquids requires a special skill set: You'll need a special set of skills to haul liquid because it will move around so much and create a high center of gravity.

Which of the following statements about overhead clearance is CORRECT?

Before backing into an area, it is wise to get out to check for wires and trees that might be missed from the cab of the vehicle: From the driver's seat, it's easy to miss lowhanging trees and wires. Get out of the vehicle to do a quick check before backing up into that space.

____________ are used to protect people from spilled cargo.

Cargo covers

____________ are used to stop runway vehicle safely

Escape ramps: An escape ramp is often found on mountainous roads, and they use loose, soft material to help stop runaway vehicles safely without injuring the driver or passengers.

There are three types of emergency equipment you must have on your bus, including a fire extinguisher, spare electrical fuses, and ____________.

Every bus should have a properly rated fire extinguisher, spare electrical fuses, and reflective triangles or liquid burning flares

a 4" diamond shaped label on a vehicle indicates ___________

Hazardous materials: All hazardous materials are labeled with a 4inch diamond shape indicating the class of hazard.

Most ________ are not allowed to be transported on a passenger bus vehicle.

If a material is labeled "hazardous" and requires a placard, it should not be transported on a bus or other kind of passenger vehicle.

You have been asked to drive a vehicle transporting hazardous materials and the cargo does not require a placard. What requirements must you meet before transport this hazardous material?

No additional certifications or endorsements are required to transport this cargo

Be sure to check the ___________ fluid level during your pre-trip inspection of the engine compartment.

Power steering

During an emergency braking situation, skidding tires means _______________

you no longer have control of your vehicle

If your blood alcohol concentration is _____ or higher, you have surpassed the legal limit for operating a vehicle

0.04%: It's illegal to operate a commercial motor vehicle (CMV) with a BAC of 0.04 percent or higher and will result in losing your CDL for at least 1 year for a first offense.

When driving at highway speeds, you should look about 12-15 seconds ahead, which is the same as __________

1/4 a mile

Tie downs are used to secure loads on flatbed trailers. TO keep the cargo from shifting, ever _______ feet of cargo should have a least one tie down.

10'

You are forced to pull to the right side of the road & need to place your reflective triangles. The road is level & straight. What distance should each of the 3 triangles be from your vehicle?

1st is 10' the 2nd is 100' and the 3rd is 200'

You are driving a 40' truck at 50mph. If the road is dry and visibility is good, what is the minimum space you should keep between yourself and the vehicle in front of you?

5 sec

When braking on a steep downhill grade, you should repeatedly brake to bring your speed to _________mph below the designated "safe speed" for that hill.

5mph

when driving down a steep downhill grade, press the brake until you are _________ below you safest speed, allow the downgrade to bring you back up to your safe speed, and repeat as needed.

5mph: When going down a steep downhill grade, you should brake until you're 5 mph below your safe speed, let your speed back up to the safe speed, and brake again to 5 mph below until you've reached more level roads

When road conditions are ideal, what is the least amount of space you should keep betweem yourself anf the car in front of you if you are driving a 50' vehicle at 50mph?

6 sec's

Which of the following statements about alcohol consumption is TRUE

A 12 oz glass of beer has the same alcohol as a half OZ shot of 80-proof, Alcohol impairs reaction time and depth perceptions, coffee wont make you sober

Judgement and self control are affected by

A high blood alcohol concentration

Which tires cannot be recapped, retreaded, or regrooved on a bus?

All tires must be the same type, and the front tires may not be recapped, retreaded, or regrooved. Be sure to check for proper inflation of all tires before traveling. Next Question

If you experience brake failure going downhill, you best chance of avoiding damage or a collision would be _________

An escape ramp: If you experience brake failure on a downhill, your safest, most effective option is to use an escape ramp. Ramps are usually located a few miles from the top of the downgrade. If no escape ramp is available, take the least hazardous escape route you can—such as an open field or a side road that flattens out or turns uphill. Make the move as soon as you know your brakes do not work. The longer you wait, the faster the vehicle will go, and the harder it will be to stop.

You should wear you seatbelt _____________

At all times

To help manage space on the sides of you vehicle, you should__________

Avoid traveling too closely to others on the sides of your vehicle. They may decide to change lanes suddenly, or they may trap you when you need to change lanes.

You should check you ______ regularly while driving to watch for potential hazards.

Be sure to watch your mirrors as you drive to check for potential hazards. However, don't let your gaze linger there for too long; otherwise, you won't know what's going on ahead of you for some time.

The space behind your vehicle that mirrors can't show you is called the ______________

Blind spot: The areas around your vehicle that your mirrors can't show you are called blind spots. Regularly check your mirrors so you are aware of the location of other vehicles around you, and if they have moved into your blind spots

Some liquid tanks have dividing walls called ___________

Bulkheads: A bulkhead is a dividing wall that splits liquid tanks into smaller tanks to minimize sloshing

Which class of fire extinguisher is designed for use on wood, paper, and cloth?

Class A fire extinguishers use cooling and quenching effect for use on wood, paper, cloth, and other ordinary combustible materials.

_________________ is the action of turning the wheel back in the other direction once you've cleared a hazard or traffic emergency.

Countersteering

you should do all of the following during times of high winds EXCEPT

DONT brake often to reduce the winds effects on you vehicle DO be attentive, watch for wind tunnels, avoid driving next to cars, use caution when driving light.

When preforming a hydraulic brake check, you should pump the brakes 3 time and hold for 5 sec. During that 5 seconds ______________

During that 5 seconds after pumping the brakes, the brake pedal should not move or depress.

When inspecting you vehicle before a trip, make sure that the _____________ is secured so that the don't snag, rub, or wear down.

Electrical wiring: Be sure that all electrical wiring is secure. If it rubs, snags, or wears down, this can cause mechanical issues.

If you're forced off the road onto the shoulder and need to return to the road without stopping the vehicle, you should ____________

Hold the wheel tightly and turn sharply back to the road: If you have to return to the road before you can make a complete stop, grip the wheel firmly and turn sharply to get back on the road. Easing onto the road may result in an unexpected tire grab.

Sometimes, pumping the brake pedal will help generate enough pressure to stop a vehicle if you are experiencing ___________

Hydraulic brake failure: If you experience hydraulic brake failure, you can downshift, use the parking brake, or pump your brakes in an effort to reduce speed or stop the vehicle.

In a farm labor vehicle, all cutting tools and tools with sharp edges must be _________.

If a farm labor vehicle is transporting cutting or sharp tools, they must be stored in a covered container. All other tools are required to be secured to the body of the vehicle.

Which of the following is a common cause of fires?

Improper flare handling, underinflated tires, and poor cargo ventilation are all common causes of fires.

When driving a 40' bus at 50mph, you should maintain ______ seconds of following distance.

In general, you should allow one second of following distance for every 10 feet of length of your vehicle. However, if you're going faster than 40 mph, you should add an additional second. A 40 foot bus going 50 mph should maintain 5 seconds of following distance.

A bus is permitted to carry baggage and freight only if it is

It's important that all baggage and freight are stored and secured so that the driver can move freely and easily, doesn't block access to a door or window in case of an emergency, and protects riders from injury if the carry ons fall or shift.

When the road is slippery, you should __________

Keep more space in front of you vehicle: When the road is slippery, you'll need more stopping distance. For this reason, you should keep more space between you and the vehicle ahead. Next Question

At the scene of an accident, you role should be ________________

Let the pros do their thing: In general, you should allow the qualified emergency responders to care for the injured unless you're specifically asked to assist.

When driving in the winter or bad weather it is especially important to check ____________ before starting and trip

Lights and reflectors: Because visibility will be much lower during inclement weather, it's especially important to ensure your lights and reflectors are clean and working properly for good visibility.

when driving in heavy rain or through standing water, your brakes will get wet. When this happens , you might ___________

Lose braking power: Water in the brakes can lead to the brakes becoming weak, to apply unevenly, or to grab. When your brakes get wet, you may experience wheel lockups, pulling to the side, or a loss of braking power.This may lead to jackknifing if you are pulling a trailer.

Mirrors can be used to check for traffic flow behind you, the condition of your tires and cargo ___________

Mirrors can be used to check rear traffic flow, the condition of tires and cargo, and the clearance around the vehicle during tight maneuvers.

cargo inspections should occur at each of the following times except ___________

NOT after 2 hours of non stop driving. BUT before the start of the trip, withing the first 50 miles, and after every break taken

During you en route inspection, you should check the tires, wheels, and the body of your truck for signs of ____________

Overheating: During your en route inspection, check your tires, wheels, and the body of your vehicle for signs of overheating. This Is a good fire prevention strategy.

Riders are not allowed to stand in front of the standee line, located __________

Passengers aren't allowed to stand in front of the standee line, which is located right behind the driver's seat. Be sure to designate this with a 2 inch line on the floor or some other means to ensure passengers are aware of where they may stand.

What is the term for the time it takes for your eyes to see a hazard until your brain recognizes it?

Perception Distance

If your vehicle has a high center of gravity, you should _____________

Place heavier cargo beneath lighter cargo: If your vehicle has a high center of gravity, it's important to place the load as far down as possible, with the heaviest cargo on the bottom and the lightest on the top.

while driving through snow, your windshield wipper become ineffective because they are not close enough to the window to scrape the snow off. What should you do?

Pull to the side of the road to safely fix the issue

Which of the following terms describes the distance your vehicle will travel between the time it takes for your brain to recognize a hazard and when you actually begin to brake?

Reaction distance: is the time it takes for you to go from recognizing a hazard to actually pressing the brake.

You pull up to a stop sign during some light rain and there is a not much traction on the ground. When you begin to accelerate again, you wheels start to spin. What should you do next?

Remove all pressure from the gas pedal

Rear wheel acceleration skid can be corrected by __________

Removing all pressure from the accelerator: A rearwheel acceleration skid happens when there isn't enough traction and too much power to the wheels. This can be corrected by taking your foot off of the accelerator.

What is stab braking?

Repetitively applying the brakes and releasing when the wheels lock up

A ____________ can be caused by turning too sharply, over accelerating, or braking too hard.

Skid: If you turn too sharply, over accelerate, or brake too hard, you can cause your tires to skid.

Which of the following is the most effective way to plan for an escape or maneuver if a hazard become apparent on the road in front of you?

Stay alert the whole time: The best, most effective way to prepare for an emergency maneuver or escape is to remain alert for the entire time you are on the road.

While driving a manual truck, you should use you __________ to help figure out the best times to upshift.

Tachometer (that thing that tells you the RPM of the wheels)

When driving long distances, it's important to _____________

Take breaks often and whenever you feel drowsy: When driving long distances, the best way to maintain alertness is to take breaks often (about every two hours or 100 miles), or whenever you feel tired or drowsy.

If you have a drunk or disruptive rider on you vehicle, you should discharge them __________

Though most carriers have guidelines for discharging disruptive riders, you should only leave them in safe places, like areas that are well lit and have other people around.

If you must turn quickly to avoid an accident, it's important to only turn enough to clear what is in the way because ____________.

Turning sharply increase your chance of skidding or a rollover

In some situations, your heavier vehicle will not be able to travel as quickly as normal traffic. In these instances, you should ___________

Use flashers when legal to do so: Often, if drivers are moving quickly, they may not realize how fast they are approaching slowmoving vehicles. For this reason, if you must travel slowly, use your flashers when legal to alert other drivers.

While driving a truck with a manual transmission, youre forced to stop on the right hand shoulder of an uphill grade. When you're ready to reenter traffic, which of the following strategies will help you put the vehicl back in motion?

Use the parking brake so the vehicle doesnt roll backwards, and release it once you've engaged the clutch.

When driving in cold weather, you should ___________

Use wiper fluid with anti-freeze: During cold weather, it's important to use windshield washer antifreeze so that your washer fluid doesn't turn to ice.

When is hydroplaning most likely to occur?

When tire pressure is low: Hydroplaning is most likely to occur when tire pressure is low or when the tread has been worn away.

When your speed goes from 20mph to 40mph, you stopping distances becomes ______ times longer.

When you double your speed from 20 mph to 40 mph, your stopping distance increases by 4 times. At 60 mph, your stopping distance becomes greater than that of a football field.

if you see a vehicl marked by a red triangle with an orange center, you know that this vehicle _____________

Will be travelling much more slowly than other vehicles

If you vehicle has overheated and you need to remove the radiator cap, you can tell that it's cool enough to open is __________

You can touch the cap with your bare hand without injury

________________ may never be transported on a bus.

You may never transport irritating materials, more than 100 pounds of solid poisons, or explosives (with the exception of small-arms ammunition) on a bus or passenger vehicle.

In which situation would you not be required to wear a seatbelt?

You must always wear one: Whenever you are travelling in a moving vehicle, you should always wear your seatbelt.

Your bus becomes disabled. You may only tow or push the bus with riders aboard if_________

You shouldn't tow or push a disabled bus with passengers on board unless it's unsafe for them to leave the bus. Even then, only tow or push the bus until it's safe to allow passengers to disembark before completing the journey.

If you choose to drive while under the influence, you increase your risk of an accident as well as ________

Your chance of loosing you license: If you drive while under the influence, you're more likely to have an accident, which means you're more likely to lose your driver's license.

When driving a newer truck with a manual transmission, you come upon a long, steep downhil grade. You will probably have to use _____________ gear that you used to climb that hill.

a lower gear

while driving, it it important to shift your attention and focus ____________

back and forth, near and far

When backing up with a trailer on a curved path, you should _____________

back towards the drivers side so you can see properly: It's usually best to try to back up in a straight line, but if you have to take a curved path, back up towards the driver's side so you can see well. Next Question

A ______________ will help control the forward and backward liquid surges

baffled tank

In the event of a drive wheel braking skid, you should stop braking and ____________

countersteer: If you experience a drivewheel braking skid, you should stop braking to allow the rear wheels to roll. Then, because the vehicle will have a tendency to continue turning, you'll need to countersteer to correct your direction of travel.

A turn signal should be used

early to let other driver know your intentions

___________ truck need more stopping distanc because their weight causes them to have less traction

empty

With a blood alcohol concentration of 0.4 or high, many people will ____________

fall unconscious or even die

If you are experiencing drowsiness while driving, the only safe cure is to:

get off the road & sleep

You have to make a stop on the side of the road, and you've pulled out the reflective triangle to place on the road. Which is the most effective ways to carry these triangles?

hold them with the reflective side facing oncoming traffic so they notice you: To make sure the other drivers on the road see you, hold the reflectors with their reflective sides facing oncoming traffic

When driving in very hot temps, its important to _____________

inspect your tire every 2 hour or at 100miles

The use of your horn should be limited as much as possible because ____________

it is scary: Using your horn might startle other drivers, which might cause them to drive unsafely. For this reason, limit the use of your horn.

If a driving emergency forces you to leave the road at any time, which of the following strategies will help you?

only use light pressure on you brake to avoid skidding on loose surfaces

Which of the following is the most effective plan of action to take if your vehivle catches fire while you are driving?

pull over to an open area to avoid spreading the fire

Which of the following best describes controlled braking?

pushing the brakes hard, but not hard enough to lock the wheels: Controlled braking is used in an emergency situation, and a driver will press the brakes hard, but not hard enough to lock the wheels.

you have been asked to deliver hazardous material that requires a placard. However, you do not have a Hazardous material endorsement on your commercial drivers license. What should you do?

refuse to move the cargo

__________ help to slow down a vehicle and reduce the need to use the brakes.

retarders

while en route, you need to complete regular inspections for which of the following?

signs of over heating

when driving a long downhill grade, downshifting can ______

slow the vehicle using engine compression and friction

While driving on a two-lane road, an oncoming drivier is headed straight for your vehicle. To avoid a collision, you should:

steer to the right to utilize the shoulder

If the road has become covered in black ice, which of the following would be the best action to take?

stop driving as soon as it's safe to do so

During a front wheel skid, the front end of the vehicle will almost always go in a __________ direction, no matter how much the driver tries to steer or turn the wheel.

straight

When inspecting your wheels and rims, you notice that a few lug nuts have rust streaks. This is a indication that __________

the lug nuts are probably loose

What of the following statements about alertness while driving is TRUE?

the only thing that will help you overcome fatigue is rest. not caffine, cold medicine, or loud music.

befoer taking a trip, you need to inspect your tire. Whis of the folloing problems would require immediate action?

tread seperation

There is another vehicle in the road ahead of you, and without action, you will collide with this vehicle. Which of these rules will help you most in this situation?

turning is usually quicker than stopping when trying to avoid an obstacle

in general, high beams should only be used ______________

when its leagal and safe to use them

Testing the stopping action of your service brake should be done ____________

when moving at about 5mph