Commercial Driver’s License (CDL) Practice Exam

Question: 1 / 400

Which statement about overhead space on a commercial vehicle is accurate?

The load has no effect on height

The weight of the cargo can change a truck's height

The statement about the weight of the cargo potentially affecting a truck's height is accurate because the load can cause the vehicle to sag or squat, particularly if the load is heavy. This type of change may influence the vehicle's overall height, affecting how much clearance is available for overhead structures such as bridges or overpasses. When a truck is loaded heavily, the chassis can compress, thereby reducing the amount of vertical space it occupies compared to when it is unloaded.

This factor is crucial for drivers to consider in order to avoid collisions with overhead obstacles, as an accurate understanding of vehicle height with varying loads ensures safer navigation through areas with limited clearance. Being aware of how loads affect a truck's dimensions is a critical aspect of safe commercial driving.

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All trucks have the same overhead clearance

Overhead space is only a concern for light vehicles

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