COMBINATION PRACTICE TEST - AL CDL

11. A bridge formula permits:
more maximum axle weight for axles that are far apart.
less maximum axle weight for axles that are close together.
more maximum axle weight for axles that are closer together.
less maximum axle weight for axles that are far apart.
12. After a tire has been changed, the driver should stop a short while later to:
deflate the tire to 10 psi.
check the tightness of the nuts.
check tread separation.
decrease tire pressure.
13. Blocking _______________ to keep it from sliding.
is used in the front, back, and/or sides of a piece of cargo
is used only in the back of a piece of cargo
goes from the upper part of the cargo to the floor
None of the above.
14. Which of the following is NOT part of inspecting the coupling?
Making sure there is no space between the upper and the lower fifth-wheel
Checking for enough clearance between the rear of the tractor frame and the landing gear.
Checking that the locking lever is in the "lock" position
Making sure the fifth-wheel jaws have closed around the shank of the kingpin.
15. What factors can cause brakes to fail or fade?
Brakes out of adjustment
Not relying on the engine braking effect
Excessive use of the service brakes
All of the above.
16. Before starting down a hill, you should:
look for an escape route.
release the accelerator and shift to Neutral at the same time.
slow down and shift to a lower gear.
apply the brakes hard.
17. Tests have shown that trucks with a high center of gravity:
can roll over at the posted speed limit for a curve.
can roll over if the driver slows down before entering a curve.
are less likely to roll over when entering a curve.
can roll over if the driver exceeds the posted speed limit for a curve.
18. If your vehicle gets stuck on the railroad tracks, you should:
check for identifiable landmarks to give the location of the crossing.
gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.
get out of your vehicle and away from the tracks.
All of the above.
19. What are the two basic reasons for covering cargo?
To protect the cargo from pilferage and from weather.
To protect the cargo from weather and to avoid littering.
To protect people from spilled cargo and the cargo from pilferage.
To protect people from spilled cargo and the cargo from weather.
20. When more cargo is piled up in a truck, the center of gravity moves:
to the right side of the truck.
higher up from the road.
to the left side of the truck.
closer to the ground.
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