Q.1
When backing up while coupling a trailer, the tractor should be positioned:
Q.2
The ____ trailer is the most likely to turn over if a driver takes a turn too quickly.
Q.3
A shut-off valve:
Q.4
Using the trailer hand brake while experiencing a trailer jackknife will:
Q.5
If oil and water build up in your vehicle's air tanks, the brakes:
Q.6
Proper coupling technique:
Q.7
When testing ____, you should apply your vehicle's brakes with the hand control while moving the vehicle forward slowly.
Q.8
If you need to back your trailer but cannot back up in a straight path, you should:
Q.9
When driving a tractor-trailer equipped with ABS, you should:
Q.10
The trailer hand valve should:
Q.11
To help prevent rollovers, you should:
Q.12
A trailer that is too high:
Q.13
If a trailer begins to jackknife, the driver:
Q.14
How much space should be between the upper and lower fifth wheel?
Q.15
A trailer will be most likely to swing around when:
Q.16
Keeping cargo low can:
Q.17
When a combination vehicle goes around a corner:
Q.18
When glad hands are coupled, the seals should be pressed together at an angle of:
Q.19
If the emergency air line loses pressure:
Q.20
When traveling more slowly than 40 mph, maintain at least ____ of following distance per every 10 feet of your vehicle.
0 h : 0 m : 1 s