CDL Practice

What is Gross Vehicle Weight (GVW)?

• The total weight of a vehicle and its load

• The total weight of a vehicle's tractor

• The total weight of a loaded trailer

• The weight of a tractor and trailer, before adding in the load

Fully-loaded rigs:

• Are less likely to roll over than empty rigs.

• Are more likely to roll over than empty rigs.

• Are just as likely to roll over as empty rigs.

• Should not be driven.

Most CDL holders have ____ licenses.

• Excepted

• Exempted

• Non-excepted

• Non-exempted

In a dual air brake system:

• Each system has separate air tanks, hoses, and lines.

• The systems share air tanks, but each has its own separate hoses and lines.

• Each system uses the same lines and hoses.

• One system is the main braking system and a second system is ready to be used if the first one fails.

If driving in a foggy area, you should not:

• Decrease your speed.

• Increase your speed.

• Use your low beam headlights.

• Turn on your four-way flashers.

If driving a truck that requires a CDL for operation:

• You do not need to wear a seat belt.

• You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo

• You are always required to wear a seat belt

• You are only required to wear a seat belt when driving a tank trailer.

When using your mirrors, you should frequently look at your tires to:

• Watch for tire fires.

• See if the tires are rolling properly.

• See if the tread is sufficient

• Get a sense of the size of the tire in relation to other vehicles.

When it is difficult for others to see your vehicle, such as at dawn or dusk, you can help other drivers by:

• Keeping your lights off.

• Turning your lights on.

• Driving on the shoulder.

• Waving an arm out the window.

When driving down a steep grade, your brakes may fade. What happens if brakes fade?

• They become quieter.

• They become less effective.

• They work better than usual.

• They work differently from front to back.

Move over laws require:

• Trucks to use the left lane.

• All vehicles to vacate the lane closest to an emergency vehicle that is stopped with its lights flashing.

• All vehicles to use the left lane.

• All vehicles to move to the left lane if a flatbed trailer is in the right lane.