Question 25 of 140

What commonly causes a drive-wheel skid on a combination vehicle?

Pick an answer

Applying too much throttle on a slippery road, causing the drive wheels to spin
Driving well under the speed limit
Keeping a long following distance
Using a lower gear on a flat, dry road with good tire tread and a light, well-secured load

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Correct answer to question 25 (Combination Vehicles): Applying too much throttle on a slippery road, causing the drive wheels to spin

Why

Too much power to the drive wheels on a slick surface spins them faster than the road can grip, which is the classic setup for a drive-wheel skid.

Updated: November 2026

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