.
Feel for "pulling" in the cab
Hear the wheels skidding
See it in your mirrors
None of the above
At normal pressure
Between 60 and 80 psi
Empty
All of the above
The base
The shank
The head
All of the above
30
20
10
All of the above
5-axle tractor towing a 42-foot trailer
5-axle tractor towing a 45-foot trailer
5-axle tractor towing a 52-foot trailer
None of the above
Lightly loaded
Fully loaded
Empty
None of the above
Empty
Over loaded
Loaded to full capacity
All of the above
Full lowered
Fully raised
Slightly raised
All of the above
Raised 3/4 way with the crank handle removed
Raised 1/2 way with the crank handle secured in its bracket
Fully raised with the crank handle secured in its bracket
None of the above
Low revers
High reverse
Neutral
All of the above
Keep both hands firmly on the steering wheel
Go slow around turns
Make sure the brakes are properly adjusted
None of the above
The parking lock is off and may drive away
The trailer will not swivel on the fifth wheel
The coupling is not right and should be fixed before driving the coupled unit
All of the above
Makes contact with the ground and lifts the trailer off of the fifth wheel
Makes firm contact with the ground
Just reaches the ground
All of the above
There is enough clearance between the tractor frame and the landing gear
There is enough clearance between the upper and lower fifth wheel
The safety latch is in the unlocked position
All of the above
Kingpin from the tractor to the locking jaws on the glide plate
Electric lines from the truck to the trailer
Service and emergency air lines from the truck to the trailer
All of the above
Just enough to see light through it
None
About 1/4 inch
All of the above
At normal pressure
Empty
Between 60 and 80 psi
All of the above
More
Fewer
The same number of
All of the above
The kingpin is about 1 1/4 inches above the fifth wheel
It is raised slightly when the tractor is backed under it
The end of the kingpin is even with the top of the fifth wheel
All of the above
Emergency
Neutral
Normal
All of the above
Light vehicles need more braking power to stop than heavy ones
"bobtail" tractors can take longer to stop than a combination vehicle loaded
The brake and suspension systems of combination vehicles work best with a light load
None of the above
Easier it is to turn over
Easier it is to turn around corners
More stable it is when turning
All of the above
Nothing, back up and lock the fifth wheel
The electrical service cable
The emergency and service air lines
All of the above
Secured, but with enough slack for turns
Resting on the frame of the tractor
Pulled tight, with very little slack
All of the above
Not make that turn
Turn wide before you start your turn
Turn wide as you complete your turn
All of the above