Kentucky CDL Permit Test Preparation

What is the minimum tread depth required for front tires on a commercial vehicle?

• 1/32 inch

• 2/32 inch

• 4/32 inch

• 6/32 inch

• 8/32 inch

How often must you stop to check your cargo while on the road?

• After the first 50 miles

• Every 100 miles

• Every 150 miles

• Every 200 miles

• Only at the start of the trip

If you double your speed, how much distance will it take to stop?

• Twice the distance

• Three times the distance

• Four times the distance

• Five times the distance

• Six times the distance

What is the best way to figure out how many seconds of following distance you have?

• Use a stopwatch

• Count the seconds between you and the vehicle ahead

• Estimate the distance in feet

• Use the length of your vehicle as a guide

• Rely on your experience

How far ahead should you look while driving a commercial vehicle?

• 5-8 seconds

• 8-10 seconds

• 12-15 seconds

• 15-20 seconds

• 20-25 seconds

Which of the following is NOT a basic step to be taken at a crash scene?

• Protect the area

• Notify authorities

• Care for the injured

• Collect contact information from witnesses

• Move the injured to a safe area

Which of the following is NOT a key steering component?

• Tie rod

• Spindle

• Pitman arm

• Leaf spring

• Drag link

What is the purpose of a pre-trip inspection?

• To ensure the vehicle is safe to operate

• To check for personal belongings

• To plan the route

• To estimate fuel consumption

• To adjust the mirrors

Which of the following statements about backing a heavy vehicle is true?

• You should avoid backing whenever possible

• Backing is safer than driving forward

• Use only the left mirror when backing

• Back quickly to avoid blocking traffic

• Rely solely on your mirrors

What should you do if your vehicle hydroplanes?

• Accelerate slightly

• Brake firmly

• Release the accelerator

• Turn the steering wheel quickly

• Shift to a higher gear