Question

When refueling a vehicle transporting hazardous materials:

Answers

The engine should be left on.

The engine should be turned off.

The gas nozzle may be left unattended.

Someone other than the driver should do it.

Explanation

Always turn the engine off before refueling a vehicle carrying hazardous materials. Someone must always be at the nozzle controlling the fuel flow.

This questions appears in the following tests:

Arkansas HazMat

Massachusetts HazMat

South Carolina HazMat

South Carolina Tank

South Dakota HazMat

South Dakota HazMat

Tennessee HazMat