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CDL PERMIT WRITTEN TEST EXAM
QUESTIONS AND ANSWERS
- You are driving on a straight level highway at 50 mph. There are no
vehicles in front of you, suddenly a tire blows out on your vehicle. What should you do first?• A) Slam on the brakes immediately • B) Steer sharply toward the shoulder • C) Stay off the brake until the vehicle slows down
• D) Accelerate slightly to maintain control Correct Answer: C) Stay off
the brake until the vehicle slows down
2. After starting the engine:
• A) The oil pressure gauge should drop to zero.• B) Coolant temperature gauge should begin a gradual rise to normal.• C) All warning lights should remain on for 5 minutes.
• D) The air pressure should instantly hit maximum. Correct Answer: B)
Coolant temperature gauge should begin a gradual rise to normal.
- If you must cross into the oncoming lane and you make a turn, you
should:
• A) Speed up to clear the intersection quickly.• B) Sound your horn continuously while turning.• C) Allow enough space to get completely across the intersection.
• D) Back up if you realize you don't have enough room. Correct Answer: C)
Allow enough space to get completely across the intersection.
- Which of these statements about double clutching and shifting is true?
• A) You must always double clutch when downshifting, but never when upshifting.
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• B) You can use the tachometer to tell you when to shift.• C) Double clutching is only necessary in automatic transmissions.• D) You should never use the tachometer to determine shift points.
Correct Answer: B) You can use the tachometer to tell you when to shift.
- The best drivers are those who watch and prepare for hazards. This is
called being:
• A) Offensive • B) Aggressive • C) Defensive
• D) Reactive Correct Answer: C) Defensive
- If you do not have a CB radio, what is the first thing you should do at
an accident scene?• A) Protect the area.• B) Move the injured persons.• C) Direct traffic away from the scene.
• D) Gather witness statements. Correct Answer: A) Protect the area.
- The commercial driver supplement suggests several things to do when you
pass a vehicle. Which of these is NOT one of them?• A) Lightly tap your horn if passing a bicyclist.• B) Assume the other driver does not see you.• C) At night, turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle.
• D) Drive carefully to avoid a crash. Correct Answer: C) At night, turn on
your high beams before you start to pass and leave them on until you have completely passed the vehicle.
8. Controlled braking:
• A) Is used to keep a vehicle in a straight line when braking.
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• B) Is only used on vehicles without air brakes.• C) Requires locking the wheels to stop quickly.
• D) Should only be used when hydroplaning. Correct Answer: A) Is used to
keep a vehicle in a straight line when braking.
9. One reason that dry bulk tanks require special care is:
• A) They have very low centers of gravity.• B) The load can shift.• C) They are not equipped with air brakes.
• D) They cannot be driven on steep downgrades. Correct Answer: B) The
load can shift.
- You are driving a 40-foot vehicle at 35 mph. The road is dry and
visibility is good. What is the least amount of space that you should keep in front of your vehicle to be safe?• A) Two seconds • B) Three seconds • C) Four seconds
• D) Five seconds Correct Answer: C) Four seconds
- Whenever you double your speed, it takes about ______ times as much
distance to stop:
• A) Two • B) Three • C) Four
• D) Six Correct Answer: C) Four
- When a coolant container is part of a pressurized system, which of
these is true?• A) You can check the coolant level on the hot engine.• B) You should remove the radiator cap while the engine is hot.
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• C) You never need to check the coolant level.
• D) Pressurized systems only use pure water. Correct Answer: A) You can
check the coolant level on the hot engine.
- Which of these is a good thing to do when driving at night?
• A) Look directly at the headlights of oncoming vehicles.• B) Keep your speed slow enough that you can stop within the range of your headlights.• C) Keep your high beams on at all times.• D) Drive closer to the vehicle ahead to use their headlights. Correct
Answer: B) Keep your speed slow enough that you can stop within the
range of your headlights.
- You should avoid driving through deep puddles or flowing water. But if
you must, which of these steps can help you keep your brakes working?• A) Driving quickly through the water to minimize exposure.• B) Slamming on the brakes immediately after exiting the water.• C) Gently putting on the brakes while driving through the water.• D) Turning off the engine while coasting through the water. Correct
Answer: C) Gently putting on the brakes while driving through the water.
15. Stab braking:
• A) Involves lightly tapping the brake pedal repeatedly.• B) Should be used on vehicles without anti-lock brake systems.• C) Is the best method for normal stops.• D) Requires holding the brake pedal down firmly without releasing.
Correct Answer: B) Should be used on vehicles without anti-lock brake
systems.
16. Implied consent means:
• A) You agree to search procedures at weigh stations.• B) You give consent to a vehicle inspection at any time.