CDL GENERAL KNOWLEDGE TEST (MARYLAND) - PRACTICE TEST

31. Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
25 psi
50 psi
75 psi
100 psi
32. If you do not have a cell phone or CB, the first thing you should do at an accident scene is to:
care for the injured.
gather Information for the  accident report.
clear the area.
protect the accident area.
33. Distracted driving can cause collisions. Which of the following can distract your attention while you are driving?
Driving below the speed limit.
Listening to music.
Talking to passengers.
All of the above.
34. If you swing wide to the left before turning right:
another driver may try to pass you on the left.
another driver may try to pass you on the right.
you may damage the service brakes.
None of the above.
35. You should signal your intention to turn at least ____ before turning or changing lanes.
100 feet
250 feet
75 feet
50 feet
36. The weight of a truck:
has an impact on stopping distance.
has no effect on stopping distance.
is not as important as the vehicle's center of gravity in determining stopping distance.
None of the above.
37. Why should you complete an after-trip inspection report?
To help the motor carrier know when the vehicle needs repairs.
So you won't be held responsible for any subsequent damage.
To prove that you finished your trip.
All of the above.
38. Placards must be:
readable from all 4 directions.
in a diamond shape.
turned upright on a point.
All of the above.
39. If your drive wheels begin to spin, you should:
pump the brake pedal three times.
use the Anti-lock Braking System.
use the parking brake.
take your foot off the accelerator.
40. When steering to avoid a crash, you should:
lock your wheels while turning.
accelerate and steer at the same time.
not turn any more than needed to clear the hazard.
apply the brake while you are turning.
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