116. Drivers of trucks and tractors-trailers with cargo must check that the cargo well secured within the first ___ miles of the trip.
25.
117. When starting a bus on a level surface with good traction there is often no need for:
Parking brakes.
118. How the weight of the vehicle affects stopping distance?
Empty trucks take longer to stop than if loaded, but this is not the normally case for buses.
119. When you are starting to move up a hill from a stop:
Release the parking brakes as you apply engine power.
120. What is a true about using a heater?
When driving at winter weather, you should check that the heater is working properly before starting your trip.