MS CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

31. If you triple the speed from 20 to 60 mph the impact and braking distance is:
3 times greater.
12 times greater.
6 times greater.
9 times greater.
32. If you have to drive off the road, you should:
brake as hard as you can to maintain control.
leave the road completely.
fully apply the brakes until your speed has dropped to about 20 mph.
keep one set of wheels on the pavement, if possible.
33. Parking brakes are:
required on all vehicles.
not required on commercial vehicles with air brakes.
not required on buses.
not required on trailers.
34. Which of the following is NOT a warning sign of fatigue?
Difficulty focusing
Missing exits
Rubbing eyes
Adjust your speed depending on driving conditions
35. Which of the following is NOT a hazard?
Work zones
An escape ramp
A cardboard box on the road
A freeway/highway exits that go downhill
36. The parking brake should be tested while the vehicle is:
moving back slowly.
moving forward slowly.
moving at highway speeds.
None of the above.
37. ABS:
gives you more control over the vehicle during braking.
is not required on newer trucks.
increases your normal braking capability.
is not available for doubles and triples.
38. When using a fire extinguisher on a fire, you should:
stay as far away from the fire as possible.
aim the extinguisher at the top of the fire.
get as close to the fire as possible.
All of the above.
39. Which of the following can cause front-wheel skid?
Lack of tread on the front tires.
Cargo loaded so not enough weight is on the front axle.
Driving too fast for conditions.
All of the above.
40. After drinking, which of the following can help you sober up?
Drinking black coffee. The caffeine will eliminate the effects of alcohol.
Taking a cold shower.
Taking a cold shower after drinking.
None of the above.
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