GENERAL KNOWLEDGE CDL TEST TENNESSEE - PRACTICE TEST

21. An anti-lock braking system (ABS):
helps you avoid wheel lock up.
should help you steer around an obstacle while braking.
helps you avoid skids caused by over braking.
All of the above.
22. Which of the following statements about backing is TRUE?
You should avoid backing whenever you can.
Backing is always dangerous.
When you have to back, you should back and turn toward the driver's side whenever possible.
All of the above.
23. Front-end header boards:
should never be used.
protect drivers from spilled cargo.
reduce traction.
protect drivers from cargo in case of an accident or emergency stop.
24. When should you use the 4-way emergency flashers instead of flashing the brake lights to warn the drivers behind you?
When you are driving very slowly or are stopped.
When visibility is poor.
When driving in strong winds.
At night time.
25. To check the automatic transmission fluid:
the wheel nuts must be loose.
the engine may have to be running.
you should turn the engine off.
you must go down grades.
26. You must have at least ________ tread depth on tires other than front tires.
2/32 inch
8/32 inch
4/16 inch
4/32 inch
27. Signaling well before you turn is the best way to:
let oncoming drivers know that you are about to make a turn.
let pedestrians know that you are about to make a turn.
keep other drivers from trying to pass you.
invite other drivers to get around you.
28. If no qualified person is at the accident and an injured person is bleeding heavily, how can you give assistance?
Apply direct pressure to the wound.
Poor cold water on the wound.
Look for a doctor.
Keep the injured person cold.
29. When driving trucks with trailers, drivers should:
make quick lane changes.
avoid making sudden movements with the steering wheel.
decrease their following distance.
push the brake pedal to the floor when braking.
30. What is an "escape ramp"?
A ramp built on steep mountain downgrades, made to stop runaway vehicles safely.
A road shoulder made to support the weight of large vehicles and, therefore, offer an escape route.
A short section of road by which traffic may leave a controlled access highway.
None of the above.
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