CDL PERMIT WRITTEN TEST 2023 REAL EXAM
200 QUESTIONS AND CORRECT
ANSWERS(VERIFIED ANSWERS)
With a BAC of ( ), most people lose consciousness, and some die - ANSWER- 0.4
To prevent a load from shifting, there should be at least one tie-down for every ( ) feet of cargo. - ANSWER- 10
Name two situations in which the legal maximum weights may not be safe to haul - ANSWER- During bad weather and In Mountains
If you are stopped at a rest area and found to have a blood alcohol concentration (BAC) of .02, you will be placed out of service for - ANSWER- 24 hours
The distance that you should look ahead of your vehicle while driving is about ( ) at highway speed. - ANSWER- 1/4 mile
Inspect your cargo after you have driven - ANSWER- 25 miles or 50 miles depending on the law in the state you are in, then again after 3 hours or after you have driven 150 miles and after every stop for a break.
Medical certificates must be renewed every: - ANSWER- 2 years
What is the minimum tread depth for tires other than front tires? - ANSWER- 2/32 inch
Escape ramps are: - ANSWER- Used to stop runaway vehicles.
You are driving a vehicle that can be driven safely at 55 mph on an open road.Although the speed limit is 55 mph, traffic is heavy, moving at 35 mph. The safest speed for your vehicle in this situation is - ANSWER- 35 mph 1 / 3
If you are driving a 30-foot vehicle at 55 mph, how many seconds of following distance should you allow? - ANSWER- 4 seconds
How far ahead should you be looking while driving in town? - ANSWER- 1 block
When driving a commercial vehicle with a height over 13 feet, you should - ANSWER- Stop and make sure if you aren't certain that a clearance is high enough
In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. To change lanes you should - ANSWER- wait until you are sure the car isn't in your blind spot.
Turning signals should be used - ANSWER- at least 100 feet before turning or changing lanes.
if you are driving a long distance, you should - ANSWER- Stop often and take short breaks before you feel really drowsy or tired.
What does "axle weight" mean? - ANSWER- The weight transmitted to the ground by one axle or one set of axles
The distance your vehicle travels from the time your eyes see a hazard to the time
your brain recognizes it is called: - ANSWER- perception distance
Optional safety equipment may include emergency phone numbers, tire chains and:
- ANSWER- tire changing equipment
To prevent brake fade, you should - ANSWER- Select a gear that will keep your vehicle to a safe speed on steep downgrades.
Wheel bearing seals should be checked for _____. - ANSWER- leaks
One can recognize hazardous materials by looking at the container's: - ANSWER-
label
High beams should be: - ANSWER- used when it is safe and legal to do so
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How do you calculate how many seconds of following distance you have? - ANSWER- wait until the vehicle ahead of you passes a clear landmark. then count off the seconds until you reach the same spot.
How do you test the hydraulic brakes for leaks? - ANSWER- Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds.The pedal should not move.
Name two causes of fires - ANSWER- under inflated tires and duals that touch
What does "communicating" mean in safe driving? - ANSWER- Letting other drivers know you're there to help prevent crashes.
What is the proper way to hold the steering wheel? - ANSWER- Firmly with both hands on opposite sides of the wheel.
The tendency for long commercial vehicles to swing wide on turns in called: -
ANSWER- Off-tracking
How does the height of the vehicle's center of gravity affect safety handling? - ANSWER- Trucks with a high center of gravity can roll over at the posted speed limit for a curve
You do not have a hazardous materials endorsement on your commercial diver's license. you are asked to deliver hazardous materials in a placarded vehicle. you should - ANSWER- refuse to haul the load
The purpose of retarders is to - ANSWER- Help slow the vehicle while driving and reduce brake wear.
While driving, you see a small (1 foot square) cardboard box ahead in your lane.
You should: - ANSWER- steer around it without making a sudden or unsafe move
If your vehicle catches fire while you are driving, you should - ANSWER- park in an open area
when should you review the pre-trip inspection report from the last driver? - ANSWER- you should review it during your pre-trip inspection
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