NC CDL General Knowledge with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
To prevent a load from shifting, there should be at least one tiedown for every __ feet of cargo.
✔Correct Answer-10
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? ✔Correct Answer-4 seconds.
Which of these statements about drinking alcohol is true? ✔Correct Answer-A few beers have the
same effect on driving as a few shots of whiskey or a few glasses of wine.
While driving, ice builds up on your wipers and they no longer clean the windshield. You should:
✔Correct Answer-Stop safely and fix the problem.
Which of these statements about driving in areas with strong winds is true? ✔Correct Answer-
Winds are a big problem when a truck comes out of tunnels.
What is counter-steering? ✔Correct Answer-Turning the wheel back in the other direction after
steering to avoid a traffic emergency.
To help you stay alert while driving you should: ✔Correct Answer-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: ✔Correct Answer-The vehicle does not require
placards.
Cargo inspections: ✔Correct Answer-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.
Retarders: ✔Correct Answer-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? ✔Correct Answer-A lower gear than you would use to climb the
hill.
Which of these statements about speed management is true? ✔Correct Answer-You should choose
a speed that lets you stop within the distance that you can see ahead.
Which of these best describes how you should use the brake pedal on a steep downhill grade?
✔Correct Answer-Snubbing.
Which of these statements about double clutching and shifting is true? ✔Correct Answer-You can
use the tachometer to tell you when to shift.
Which of these statements about using turn signals is true? ✔Correct Answer-When turning, you
should signal early.
, Which of these statements about cargo loading is true? ✔Correct Answer-State laws dictate legal
weight limits.
If your vehicle catches fire while you are driving, you should: ✔Correct Answer-Park in an open
area.
You are checking your tires for a pre-trip inspection. Which of these statements is true? ✔Correct
Answer-Tires of mismatched sizes should not be used on the same vehicle.
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? ✔Correct Answer-It may be a slow-moving vehicle.
An en route inspection should include checking for: ✔Correct Answer-Tire overheating and brake
overheating. Cargo secured properly.
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? ✔Correct Answer-Steer to
the right.
Where or when should you test the stopping action of your service brakes? ✔Correct Answer-
When the vehicle is moving at about 5 mph.
Which of these is not part of the pre-trip inspection of the engine compartment? ✔Correct
Answer-Valve clearance.
Cargo covers: ✔Correct Answer-Protect people from spilled cargo. May be a safety requirement in
some States.
High beams should be: ✔Correct Answer-Used when it is safe and legal to do so.
Which of these is the most important thing to remember about emergency braking? ✔Correct
Answer-If the wheels are skidding, you cannot control the vehicle.
You must park on the side of a level, straight, two-lane road. Where should you place the reflective
triangles? ✔Correct Answer-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.
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? ✔Correct Answer-Stop driving as soon as you can safely do so.
Which of these statements about tires and hot-weather driving is true? ✔Correct Answer-You
should inspect your tires every two hours or every 100 miles when driving in very hot weather.
Your truck is in a traffic emergency and may collide with another vehicle if you do not take action.
Which of these is a good rule to remember at such a time? ✔Correct Answer-You can almost
always turn to miss an obstacle more quickly than you can stop.
What should you do when your vehicle hydroplanes? ✔Correct Answer-Release the accelerator.
Verified Answers |Latest Version |Already Graded A+
To prevent a load from shifting, there should be at least one tiedown for every __ feet of cargo.
✔Correct Answer-10
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? ✔Correct Answer-4 seconds.
Which of these statements about drinking alcohol is true? ✔Correct Answer-A few beers have the
same effect on driving as a few shots of whiskey or a few glasses of wine.
While driving, ice builds up on your wipers and they no longer clean the windshield. You should:
✔Correct Answer-Stop safely and fix the problem.
Which of these statements about driving in areas with strong winds is true? ✔Correct Answer-
Winds are a big problem when a truck comes out of tunnels.
What is counter-steering? ✔Correct Answer-Turning the wheel back in the other direction after
steering to avoid a traffic emergency.
To help you stay alert while driving you should: ✔Correct Answer-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: ✔Correct Answer-The vehicle does not require
placards.
Cargo inspections: ✔Correct Answer-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.
Retarders: ✔Correct Answer-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? ✔Correct Answer-A lower gear than you would use to climb the
hill.
Which of these statements about speed management is true? ✔Correct Answer-You should choose
a speed that lets you stop within the distance that you can see ahead.
Which of these best describes how you should use the brake pedal on a steep downhill grade?
✔Correct Answer-Snubbing.
Which of these statements about double clutching and shifting is true? ✔Correct Answer-You can
use the tachometer to tell you when to shift.
Which of these statements about using turn signals is true? ✔Correct Answer-When turning, you
should signal early.
, Which of these statements about cargo loading is true? ✔Correct Answer-State laws dictate legal
weight limits.
If your vehicle catches fire while you are driving, you should: ✔Correct Answer-Park in an open
area.
You are checking your tires for a pre-trip inspection. Which of these statements is true? ✔Correct
Answer-Tires of mismatched sizes should not be used on the same vehicle.
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? ✔Correct Answer-It may be a slow-moving vehicle.
An en route inspection should include checking for: ✔Correct Answer-Tire overheating and brake
overheating. Cargo secured properly.
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? ✔Correct Answer-Steer to
the right.
Where or when should you test the stopping action of your service brakes? ✔Correct Answer-
When the vehicle is moving at about 5 mph.
Which of these is not part of the pre-trip inspection of the engine compartment? ✔Correct
Answer-Valve clearance.
Cargo covers: ✔Correct Answer-Protect people from spilled cargo. May be a safety requirement in
some States.
High beams should be: ✔Correct Answer-Used when it is safe and legal to do so.
Which of these is the most important thing to remember about emergency braking? ✔Correct
Answer-If the wheels are skidding, you cannot control the vehicle.
You must park on the side of a level, straight, two-lane road. Where should you place the reflective
triangles? ✔Correct Answer-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.
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? ✔Correct Answer-Stop driving as soon as you can safely do so.
Which of these statements about tires and hot-weather driving is true? ✔Correct Answer-You
should inspect your tires every two hours or every 100 miles when driving in very hot weather.
Your truck is in a traffic emergency and may collide with another vehicle if you do not take action.
Which of these is a good rule to remember at such a time? ✔Correct Answer-You can almost
always turn to miss an obstacle more quickly than you can stop.
What should you do when your vehicle hydroplanes? ✔Correct Answer-Release the accelerator.
