NC CDL General Knowledge Flashcards

NC CDL General Knowledge Flashcards To prevent a load from shifting, there should be at least one tiedown for every __ feet of cargo.10

Hydroplaning:Is more likely if tire pressure is low.

When you check the condition of visible parts during your pre-trip inspection, make sure that the __are secured against snagging, rubbing or wearing.Airlines and electrical wiring.You must park on the side of a level, straight, two-lane road. 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 100 feet to the front of the vehicle.

If you are being tailgated, you should:Increase your following distance.

For your safety, when setting out reflective triangles you

should:

Hold the triangles between yourself and oncoming traffic.Is it legal to drive with one fourth of a vehicle's leaf springs broken or missing?No.While driving, ice builds up on your wipers and they no

longer clean the windshield. You should:

Stop safely and fix the problem.The most important reason for being alert to hazards is so:You will have time to plan your escape if the hazard becomes an emergency.You are driving a 40-foot vehicle at 35mph. 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?

• seconds.

With BAC (Blood Alcohol Concentration) of__, most people lose consciousness, and some die..40 The amount of liquid to load into a tank depends on:The weight of the liquid. The legal weight limits. The amount of liquid will expand in transit.An en-route inspection should include checking: Cargo doors and/or cargo securement. Tire temperature.Brake temperature.Which of these is not part of the pre-trip inspection of the engine compartment?Valve clearance.Which of these statements about engine overheating is true?You should never remove the radiator cap on a pressurized system until the system has cooled.

Stab Braking:Involves releasing the brakes only after the wheels lock up.

Escape ramps are:Used to stop runaway vehicles.

Where or when should you test the stopping action of your service brakes?When the vehicle is moving at about 5 mph.You are driving a 40-foot vehicle at 50 mph. Driving conditions are ideal (dry pavement, good visibility). What is the least amount of space that you should keep in front of your vehicle to be safe?

• seconds.

Which of these statements about using turn signals is true?When turning, you should signal early.

What is counter-steering?Turning the wheel back in the other direction after steering to avoid a traffic emergency.When driving a commercial vehicle with a height over 13

feet, you should:

If you aren't sure a clearance is high enough stop and make sure.Which of these tell you that cargo contains hazardous materials?A four-inch, diamond shaped hazardous materials label on the container. A hazardous materials placard on the vehicle.Which of these statements about drinking alcohol is true?A few beers have the same effect on driving as a few shots of whiskey or a few glasses of wine.You do not have a Hazardous Materials Endorsement on your Commercial Driver's License. You can drive a vehicle

hauling hazardous materials when:

The vehicle does not require placards.Which of these statements about driving in areas with strong winds is true?Winds are a big problem when a truck comes out of tunnels.Which of these describes how you should use the brake pedal on a steep downhill grade?Release the brake when you are 5 MPH below your safe speed, then let your speed come back up to your safe speed and repeat braking again (bring your speed down 5 MPH below your safe speed).The new BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when

driving a commercial vehicle is:

.04 If you are driving a long distance, you should: Stop often and take short breaks before you feel really drowsy or tired.Which of these statements about managing space is true?When the road is slippery, you should keep much more space in front of your vehicle.You do not have a Hazardous Materials Endorsement on your Commercial Driver's License.You are asked to deliver

hazardous material in a placarded vehicle. You should:

Refuse to haul the load.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.You are testing the stopping action of service brakes on a hydraulic system. Which of these can mean there is a problem?The brake pedal goes to the floor. Stopping action is delayed. The vehicle pulls to one side when the brake pedal is pressed.Which of these best describes how you should use the brake pedal on a steep downhill grade?Snubbing.According to the driver's manual, why should you limit the use of your horn?It can startle other drivers.

High beams should be:Used when it is safe and legal to do so.

Which of these statements about using mirrors is true?There are blind spots that your mirrors cannot show you.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?Signal other drivers when it is safe for them to pass you.Which of these items is checked in a pre-trip inspection?Whether all vehicle lights are working and clean. Cargo securement. Wiper blades.

Which of these statements about accelerating is true?Rough acceleration can cause mechanical damage.To avoid a crash, you had to drive onto the right shoulder.You are now driving at 40 MPH on the shoulder. How should you move back onto the pavement?Come to a complete stop, if possible, before steering back onto the pavement.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 to the right.On which fires can you use the "ABC" fire extinguisher?Electrical fires. Burning tires. Burning cloth.You are checking your tires for a pre-trip inspection. Which of these statements is true?Tires of mismatched sizes should not be used on the same vehicle.You should use your mirrors to check:Traffic gaps before you merge. The condition of the tires and cargo. Where the rear of your vehicle is while you make turns.A vehicle is loaded with most of the weight on the steering axle. What may result?Hard steering and possible damage to the tires.

Cargo covers:Protect people from spilled cargo. May be a safety

requirement in some States.Cargo that can shift should have at least __ tie-downs(s).2 Which of the following should you NOT do in the event of hydraulic brake failure?Shift up.Which of these is a good rule to follow when using a fire extinguisher?Aim at the base of the fire.You're driving in the right lane of a four-lane, undivided road. You come over a hill and find a car stopped ahead in your lane. You do not have room to stop. The hill blocks your view to the rear. The shoulder is clear. Which of these is most likely the best action to take?Steer to the right.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.If your vehicle catches fire while you are driving, you

should:

Park in an open area.

To correct a drive-wheel braking skid you should: Counter-steer.

You should back and turn toward the driver's side:So you can watch the rear of the vehicle by looking out the side window.The 'reaction distance" is the distance traveled from the

time:

The brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal.Which of these can cause the vehicle to skid? Not enough weight on the front axle. Over acceleration.Turning too sharply.Which of these statements about staying alert to drive is true?Sleep is the only thing that can overcome fatigue.Which of these statements about drinking alcohol is true.Alcohol first affects judgment and self-control, which are essential for safe driving. Statistics show that drivers who have been drinking have a much greater chance of being in a crash. A driver can lose their license for driving while

under the influence of alcohol.The distance your vehicle travels from the time your eyes see a hazard until your brain recognizes it is called ___ distance.Perception.