GENERAL KNOWLEDGE CDL TEST GEORGIA - PRACTICE TEST

21. If the air pressure gets too low:
you should set the parking brake.
the brakes will lock up.
ABS will help maintain vehicle control.
the brakes will not work.
22. Which of these statements is NOT true?
The liver can only process ⅓ an ounce of alcohol per hour.
BAC measures the amount of alcohol in your body.
BAC is determined by the amount of alcohol you drink, how fast you drink, and your weight.
Alcohol doesn't affects judgment and self-control.
23. What is the minimum tread depth for front tires?
3/8 inch
1/32 inch
4/32 inch
1/2 inch
24. Headlights:
should be out of adjustment.
must be turned on a half hour before sunset to a half hour after sunrise.
can blind other drivers.
should not be used when driving at night.
25. When driving at night you should dim your lights when following another vehicle within:
100 feet.
500 feet.
50 feet.
1 mile.
26. When making a turn you should:
turn the signal off before entering the turn.
honk your horn.
signal early.
make gestures to get the attention of other drivers.
27. If driving a heavy vehicle, you should:
stay in the left lane.
try to pass other vehicles going uphill.
avoid braking.
stay in the right lane.
28. Which of the following could cause poisonous carbon monoxide to enter the cab?
Wrong type of fuel
Exhaust system leaks
Lack of engine coolant
Lack of engine oil
29. Your total stopping distance consists of __________ plus reaction distance plus braking distance.
partial stopping distance
perception distance
passing distance
following distance
30. To know when it's time to shift up:
watch your tachometer, and shift up when your engine reaches the bottom of the range.
use engine speed and road speed.
check the user manual.
use mirrors on both sides.
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