CDL PRACTICE TEST (MO) - GENERAL KNOWLEDGE TEST

21. Drivers who must stop on a road or the shoulder of any road must put out their emergency warning devices within:
20 minutes
10 minutes
5 minutes
22. When conducting a pre-trip inspection:
you should review the last vehicle inspection report.
the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
the inspection report should only be reviewed if you will be carrying passengers.
23. Placards must be placed:
on the rear only.
on the front only.
on the front, rear and both sides of the vehicle.
24. Fully loaded rigs:
are much more likely to roll over than empty rigs.
are less likely to roll over than empty rigs.
are just as likely to roll over as empty rigs.
25. ABS:
does not decrease your stopping distance.
helps you increase your average speed.
helps you increase your following distance.
26. When you park, you should try to park:
on the shoulder of the road.
so you'll be able to pull forward when you leave.
so there is enough room to back out.
27. To test for hydraulic leaks, you should:
use the stab braking method, then re-apply the brakes as soon as you can.
apply the brakes firmly using the brake pedal and check to see if the brake pedal returns to its normal position.
pump the brake pedal three times, then hold the pedal for five seconds. The pedal should not move.
28. To make sure you always have overhead clearance, always be aware that:
re-paving or packed snow may have reduced the clearances since the heights were posted at bridges and overpasses.
an empty vehicle is taller than a loaded one.
All of the above.
29. When inspecting your vehicle for suspension system defects, look for:
cracked or broken spring hangers.
leaking shock absorbers.
All of the above.
30. To stay alert while driving, you should:
never open the window or use the air conditioner.
rely on caffeine.
avoid medications that can cause drowsiness.
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