CDL General Knowledge (Secs. 1, 2, 3, 12, 13) Exam Questions and Answers Latest Updated 2024/2025 (100% Correct)

CDL General Knowledge (Secs. 1, 2, 3, 12, 13) Exam Questions and Answers Latest Updated 2024/2025 (100% Correct) Who must have a CDL? - 1. Operate a vehicle with a GVWR more than 26,000lbs 2. Trailers with a GVWR more than 10,000lbs if the gross comb weight rating is more than 26,000lbs 3. More than 15 persons including driver 4. Vehicles with hazardous materials placards Can you have more than one license? - No. You can be fined up to $5,000 or put in jail. How long do you have to notify employer of conviction of a traffic violation? - 30 days (except parking). How long do you have to notify your vehicle licensing agency of convictions in another jurisdiction? - 30 days (except parking) How much driving history must you give your employer? - All driving jobs held for the past 10 years. Do this when you apply. What is the fine for driving without a CDL? - Up to $5,000 or jail How first-time offenses will cause the loss of CDL? - All one year - Driving a CMV under the influence - Leaving the scene of an accident of your CMV - Using your CMV to commit a felony - Refusing sobriety test while driving CMV - Causing death of other negligent or criminal operation of CMV - Driving a CMV while CDL is revoked, suspended, canceled or disqualified - If offense occurs while driving placarded for hazard material it is 3 years When will you lose CDL for life? - Second offense Using CMV to commit a felony involving controlled substances What offenses result in 60-day loss of CDL? - - 2 serious traffic violations or 1 violation of a law regulating rr crossing within a 3-year period involving a CMV What offenses result in a 120-day loss of CDL? - 3 serious traffic violations or 2 violations at rr crossing within a 3-year period CDL General Knowledge (Secs. 1, 2, 3, 12, 13) Exam Questions and Answers Latest Updated 2024/2025 What results in 1-year loss of CDL? - 3 violations of a law at rr crossing within a 3-year period What are considered serious traffic violations? - excessive speeding (+15mph), reckless driving, improper or erratic lane changes, following too closely, fatal traffic accidents, driving CMV without a CDL, driving CMV without CDL in possession. When is it illegal to drive a CMV? - When BAC is .04% or more. You lose CDL for one year on first offense, life on second. If less than .04% and detectable then out of service for 24 hours. How much tread depth is needed? - 4/32" on front tires, 2/32" on other tires. Can radial and bias-ply tires be used together? - No. Can regrooved, recapped, or retreaded tires be used on the front wheels of a bus? - No. What are the signs of a damaged rim? - Rust around wheel nuts may mean looseness. Missing clamps, spacers, studs, or lugs Mismatched, bent, or cracked lock rings Wheels or rims with welding reparis. What are the signs of bad brake drums or shoes? - Cracked drums Shoes with grease or oil Shoes worn thin, broken, missing What are the signs of a steering system defect? - Steering wheel play of more than 10 degrees. What are signs of suspension system defects? - Spring hangers, leaves, shock absorbers, torque rod or arm, u-bolts What are signs of exhaust system defects? - exhaust pipes, mufflers, tailpipes, vertical stacks, What is your responsibility if cargo contains hazardous materials? - Inspect for proper papers and placarding. Make sure cargo is balanced and secure. What are the seven steps in a pre-trip inspection? - 1. Vehicle overview 2. Check engine compartment (parking brake on and wheels chocked) 3. Start engine and inspect inside cab 4. Turn off engine and check lights (parking brake on, turn off engine, take key) 5. Do walk-around inspection 6. Check signal lights 7. Start engine and check brake system How do you check hydraulic brakes? - Pump brake pedal 3x, then apply firm pressure to the pedal and hold for 5 secs. The pedal should not move. If it does there is a leak or problem that needs to be fixed. How often does an in trip check need to occur? - Within the first 25-miles of the trip and every 150 miles or every three hours (whichever comes first) How do I turn when backing with a trailer? - With a bus, car, or straight truck you turn the top of the wheel toward the direction you want to go. With a trailer, you turn the steering wheel in the opposite direction. How do you correct drift when backing? - When the trailer drifts, correct it by turning the top of the steering wheel in the direction of the drift. How do you shift up in a manual transmission? - Requires double clutching to change gears: 1. Release accelerator, push in clutch and shift to neutral 2. Release clutch 3. Let engine and gears slow down to rpm required for next gear 4. Push in clutch and shift to higher gear 5. Release clutch and push accelerator at same time When do you shift up? - 1. Use engine speed (rpm) 2. Use road speed (mph) How do you shift down in a manual transmission? - 1. Release accelerator, push in clutch and shift to neutral 2. Release clutch 3. Press accelerator, increase engine and gear speed to rpm required in lower gear 4. Push in clutch and shift to lower gear 5. Release clutch and press accelerator When should you downshift? - 1. Before starting down a hill. Usually in a lower gear then needed to climb the hill. 2. Before entering a curve.