Iowa Motorcycle Permit Test Practice Questions - Iowa DOT Motorcycle Knowledge Test (Class M Endorsement) Exam

Wet pavement is most slippery:

After 24 hours of constant rain During the first 10-15 minutes after rain starts, when oil and dust rise to the surface Only at temperatures above 90°F Only on freshly paved roads

Correct Answer:

During the first 10-15 minutes after rain starts, when oil and dust rise to the surface

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