Of the following, which is the most slippery surface? Question Of the following, which is the most slippery surface? Answers Ice that is dry Ice that is wet Wet pavement Explanation Ice becomes wet when the weather is just warm enough to melt the ice slightly. Wet ice is much more slippery than ice that is not wet. This questions appears in the following tests: California Class B Knowledge Test California Tank Connecticut Class B Knowledge Test Kentucky Class A Knowledge Test Maine Class A Knowledge Test Michigan Class B Knowledge Test Michigan Tank Minnesota Class A Knowledge Test Montana Passenger Nebraska Class B Knowledge Test Nebraska Passenger New Hampshire Class A Knowledge Test New Hampshire Class B Knowledge Test Ohio Double Oregon Class A Knowledge Test Rhode Island Class A Knowledge Test South Carolina Class A Knowledge Test South Carolina Class B Knowledge Test Tennessee Class B Knowledge Test Tennessee Tank Vermont Class B Knowledge Test