On a wet road, a tanker should:
Correct. On wet pavement, reduce speed by about one-third. On snow, by about one-half. Tankers are less forgiving than dry vans on slippery roads.
CDL Practice Question #327
Category: Tanker
Why this question matters
This question is one of 50 in our Tanker bank. The reasoning above comes directly from the AAMVA CDL Manual, the source document used by every U.S. state DMV. Memorizing the underlying rule — not just the letter answer — is what separates passing on the first attempt from a return trip and another fee.