CDL Section 3 Quiz

What must you inspect before starting a trip to ensure cargo safety according to Section 3.1?

• The vehicle's fuel level

• The cargo and its securing devices within the first 50 miles

• The engine oil and coolant levels

• The tire pressure on all tires

What is the Gross Vehicle Weight Rating (GVWR)?

• The weight of the vehicle including the driver

• The maximum safe weight a tire can carry

• The value specified by the manufacturer as the loaded weight of a single vehicle

• The total weight of a vehicle and its cargo

What does the Gross Combination Weight Rating (GCWR) represent?

• The maximum weight of the vehicle without cargo

• The value specified by the manufacturer of the power unit if the vehicle is displayed on the Federal Motor Vehicle Safety Standards (FMVSS) certification label

• The sum of the gross vehicle weight ratings (GVWRs) or the gross axle weight ratings (GAWRs) of the power unit and the towed unit(s)

• The maximum weight that can be carried by the suspension system

According to Section 3.2.2, what must you keep within to avoid being overloaded?

• Manufacturer's weight limits

• Legal weight limits

• Vehicle's weight capacity

• Bridge formula weight limits

What is the purpose of the underlined and italicized text in the manual?

• To provide examples for better understanding

• To highlight the main concepts of the section

• To indicate text used by roadside enforcement only to determine whether the driver is subject to CDL regulations

• To emphasize the importance of the information for the CDL Skills testing

What is the Tire Load?

• The total weight a vehicle can carry

• The maximum weight transmitted to the ground by one axle

• The maximum safe weight a tire can carry at a specified pressure

• The weight of the tire itself without any load

What is the purpose of the Suspension Systems in terms of vehicle weight?

• To provide comfort to the driver by absorbing shocks

• To maintain the alignment of the vehicle

• To have a manufacturer's weight capacity rating

• To increase the vehicle's cargo capacity

What is the function of Coupling Device Capacity?

• To connect the electrical systems of the power unit and the towed unit

• To determine the fuel efficiency of the vehicle

• To rate the maximum weight they can pull and/or carry

• To control the distribution of cargo weight

Why is it important to avoid overloading trucks?

• It can improve fuel efficiency.

• It can make steering and braking more effective.

• It can prevent bad effects on steering, braking, and speed control.

• It can increase the speed on downgrades.

What is the risk of having a high center of gravity in a vehicle's cargo?

• It makes the cargo easier to unload.

• It decreases the risk of tipping over.

• It increases fuel efficiency.

• It increases the likelihood of tipping over.