CDL Exam ( Updated 2024 ) Complete Questions & Answers (Solved) 100% Correct
- Which of these do not provide extra gears on some trucks?
Answer: Automatic transmission
- Which of these is true about hazardous materials;
Answer: All hazardous materials present health and safety danger.
- Overweight, oversized loads;
Answer: Require special permits
- Which of these statements about marking a stopped vehicle is true?
Answer: If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, the reflective triangle should be moved back to give adequate warning.
- To avoid an accident you moved to the shoulder. Forced to return to the road
, you should;
Answer: Using mirrors and turn signals, turn sharply to get back to the road.
- The distance that you should look ahead of your vehicle while driving is about at low
speed.
Answer: 1 block
- Containerized loads;
Answer: Generally are used when freight is carried part way by rail or ship.
- When you are parked on the side of the road at night you must;
Answer: Turn on your four-way-emergency flashers to warn others.
- You should use your horn when;
Answer: If it helps to avoid a crash.
- You are driving a 40-foot vehicle at 55 mph. The road is dry, and visibility is good. What is
the least amount of space that you need to have in front of your vehicle?
Answer: 5 seconds
- You will be placed out of service for 24 hours if your blood alcohol concentration (BAC)
is at least;
Answer: Any detectable amount
- You are checking your brakes and suspension system for a pre-trip inspection. Which of these
statements is Not true? 1 / 2
Answer: Brake shoes should have brake fluid on them.
- What does emergency braking mean?
Answer: Responding to a hazard by slowing the vehicle.
14. Stab braking should not be used on vehicles with:
Answer: Anti-lock brakes
- You do not have hazardous materials endorsement in your commercial driver license. you
can drive a vehicle hauling hazardous materials when;
Answer: The vehicle does not require placards.
- You should lightly apply your brakes to flash the brake lights if;
Answer: You are about to exit the road and need to slow down.
- What is countersterring?
Answer: Turning the wheel back in the other direction after steering to avoid a traffic emergency.
- Your vehicle will be put out of service if or more leaves in any leaf
spring are missing
Answer: 1/4
19. When driving in cold weather, your tire tread should:
Answer: Provide enough traction to push the rig over wet pavement and through snow.
- When a coolant container is part of a pressurized system which of these is true?
Answer: You can check the coolant level of a hot engine.
- Drivers of trucks and tractor-trailers with cargo must check that the cargo is well secured
within the first ----- miles of the trip.
Answer: 50
- The value specified by the manufacturer as the loaded weight of a combi- nation vehicle
is?
Answer: Gross Combination Weight Rating
- The is the rating for the maximum weight that may be pulled or carried by a
coupling.
Answer: Coupling device capacity
- If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should
Answer: Immediately stop driving.
- / 2