COMBINATION TEST MISSISSIPPI - PRACTICE TEST

11. To prevent rollover, you should:
go slowly around turns.
drive slowly around on ramps and off ramps.
keep the cargo as close to the ground as possible.
All of the above.
12. When driving on slippery surfaces, you should:
not pass slower vehicles unless necessary.
make turns as quickly as possible.
change lanes often.
All of the above.
13. If you must make an emergency stop, you should:
brake in a way that will keep your vehicle in a straight line.
use the hand brake before the brake pedal.
apply the brakes as hard as you can to lock them.
None of the above.
14. What can cause poor traction?
Too much weight on the steering axle.
Overloading the truck.
Too little weight on the driving axles.
All of the above.
15. As part of your vehicle inspection, you are checking that air flows to all trailers. After using the trailer handbrake to provide air to the service line, you go to the rear of the rig. When you open the emergency line shut-off valve at the rear of the last trailer, you should hear:
the service line valve close.
a thumping sound.
a mechanical vibration.
air escaping from the open valve.
16. If loose or missing, _______ may cause movement between the frame and fifth wheel assembly.
mounting bolts
locking pins
electric connectors
safety chains
17. Combination vehicles _________ than single CMVs.
require more driving skill
are much easier to drive
are safer in bad weather
All of the above.
18. Anti-lock brakes:
increase your stopping distance.
reduce the perception distance.
help you stop faster.
keep your brakes from locking up when you brake hard.
19. If driving a heavy vehicle, you should:
avoid braking.
try to pass other vehicles going uphill.
stay in the left lane.
stay in the right lane.
20. If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
5, 50 and 500 feet
5, 25 and 50 feet
3, 15 and 45 feet
10, 100 and 200 feet
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