CDL General Knowledge Study Guide #1

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To prevent a load from shifting, there should be at least one tiedown for every __ feet of cargo. *

1 point

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? *

1 point

2 seconds

4 seconds

6 seconds

Which of these statements about drinking alcohol is true? *

1 point

A few beers have the same effect on driving as a few shots of whiskey or a few glasses of wine

Coffee and fresh air will help a drinker sober up

Not everyone who drinks is affected by alcohol

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

1 point

Keep driving, and turn your defroster on. Drive slower until you can see again

Keep driving, and spray the windshield with washer fluid

Stop safely and fix the problem

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

1 point

Winds are a big problem when a truck comes out of tunnels

You should drive alongside other vehicles to help break up the wind

The lighter you vehicle, the less trouble you will have with the wind

What is counter-steering? *

1 point

Steering in the opposite direction from what other drivers expect you to

Turning the wheel in a counterclockwise fashion

Turning the wheel back in the other direction after steering to avoid a traffic emergency

To help you stay alert while driving you should: *

1 point

Schedule trips for hours you are normally asleep

Take cold medicine, if you have a cold

Take short breaks before you get drowsy

You do not have a Hazardous Materials Endorsement on your Commercial Driver's License. You can drive a vehicle hauling hazardous materials when: *

1 point

The cargo will be transported less than 100 miles

The vehicle does not require placards

A person who has the Hazardous Materials Endorsement rides with you

Cargo inspections: *

1 point

Are most often not the responsibilities of the driver

Should be performed as part of your pre-trip inspection, again within the first 50 miles of your trip, then again after you have driven 3 hours or 150 miles, and after every break you take during driving

Are needed only if hazardous materials are being hauled

Retarders: *

1 point

Cause extra brake wear

Allow you to disconnect the steering axle brakes

Can cause the drive wheels to skid when they have poor traction

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? *

1 point

The same gear you would use to climb the hill

A lower gear than you would use to climb the hill

Shift into neutral and coast

Which of these statements about speed management is true? *

1 point

Empty trucks always stop in shorter distance than fully loaded ones

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

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

1 point

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

Which of these statements about using turn signals is true? *

1 point

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

Which of these statements about cargo loading is true? *

1 point

The legal maximum weight allowed by a state can be considered safe for all driving conditions

State laws dictate legal weight limits

If the shipper loads the cargo, the driver is not responsible for overloading

If your vehicle catches fire while you are driving, you should: *

1 point

Park in an open area

Park where a building or trees shelter your vehicle from the wind

Increase your speed to put out the flames

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

1 point

Tires of mismatched sizes should not be used on the same vehicle

Radial and bias-ply tires can be used together on the same vehicle

A tread depth of 2/32 inch is safe for the front tires

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? *

1 point

It may be a slow-moving vehicle

The vehicle is hauling hazardous material

It is a law enforcement vehicle

An en route inspection should include checking for: *

1 point

Tire overheating and brake overheating

Cargo secured properly

Both of these are correct

You’re driving in the right lane of a four-lane, undivided road. You come over a hill and and 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? *

1 point

Steer into the left lane

Steer to the right

Use hard braking and brace for collision

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