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Combination Vehicles Quiz

Glad hands are usually connecting which of these?(Required)
Where should the tractor be when you inspect landing gear after uncoupling the trailer?(Required)
The air brake leakage rate for a combination vehicle (engine off, brakes off) should be less than __________ psi per minute.(Required)
The higher the center of gravity of your truck, the:(Required)
The safest way to make a turn without entering another traffic lane is:(Required)
While driving behind another vehicle under good conditions, you should allow at least one second between your vehicle and the vehicle ahead for each __________ (how many) feet of your vehicle length?(Required)
If the service line comes apart while you are driving a combination vehicle but the emergency line stays together, what will happen right away?(Required)
There are two things that a driver can do to prevent a rollover. They are: (1) keep the cargos as close to the ground as possible; and (2):(Required)