CDL Section 2 quiz

Why is it important to inspect your vehicle?

• To find problems that could cause a crash or breakdown.

• To improve the fuel efficiency of the vehicle.

• To comply with vehicle color regulations.

• To prepare the vehicle for resale.

What should you check during a trip to ensure safety?

• The vehicle's paint and decals.

• Gauges for signs of trouble.

• The comfort of your seat.

• The radio and entertainment system.

Which of the following should you use to check for problems with your vehicle?

• Your senses (look, listen, smell, feel).

• The vehicle's autopilot system.

• A mobile app.

• The opinions of passengers.

What are the critical items to check when you stop during a trip?

• Tires, wheels and rims, lights, brakes, and cargo security devices.

• The vehicle's paint job, stickers, and decorations.

• The type of fuel and oil used.

• The vehicle's GPS and navigation system.

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

• 1/32 inch.

• 2/32 inch.

• 4/32 inch.

• 5/32 inch.

What is prohibited regarding the front wheels of a bus?

• Using brand new tires.

• Having white sidewalls.

• Using re-grooved, recapped, or retreaded tires.

• Cleaning the tires with water.

What indicates that wheel nuts may not be tight enough?

• The presence of oil or grease on the nuts.

• Rust around wheel nuts.

• A smooth ride after changing a tire.

• The absence of clamps, spacers, studs, or lug means.

Which of the following is NOT a sign of bad brake drums or shoes?

• Cracked drums.

• Shoes with oil, grease, or brake fluid on them.

• Shoes that are new and properly installed.

• Shoes worn dangerously thin, missing, or broken.

What should be checked if the steering wheel play is more than 10 degrees?

• The tire pressure.

• The brake fluid level.

• The fluid level and for leaks in the power steering system.

• The tightness of the wheel nuts.

What can be a consequence of broken suspension parts?

• Improved vehicle handling.

• Increased fuel efficiency.

• Extremely dangerous situations.

• Quieter engine performance.