CDL GENERAL KNOWLEDGE TEST (MARYLAND) - PRACTICE TEST

21. Brake fade results from:
excessive heat caused by using brakes too much.
using brakes in cold weather.
wet brakes.
All of the above.
22. After beginning a trip, you should inspect your cargo:
within the first 50 miles.
within the first 100 miles.
during your first rest stop.
before the last 25 miles.
23. When checking the steering system for defects, you should look for:
bent, loose, or broken parts, such as tie rods.
missing or broken leaves in any leaf spring.
loose, broken, or missing tailpipes.
cut or cracked valve stems.
24. Sleep debt is defined as:
the accumulated amount of sleep from frequent rest brakes.
the cumulative effect of not getting enough sleep.
the amount of sleep you get each night.
All of the above.
25. Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?
Weather
Total weight of the vehicle and cargo
Length and steepness of grade
Time of day
26. If a load is 10 feet long, the minimum number of tie-downs required is:
2
4
1
3
27. Escape ramps:
cannot be used by certain types of heavy vehicles.
should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
are designed to stop runaway vehicles safely.
All of the above.
28. Texting while driving a CMV is:
prohibited.
safer than talking on the phone.
acceptable if the message less than 140 characters.
acceptable if the message work-related.
29. _____ is a thin layer of ice that forms on road surfaces.
White ice
Blue ice
Black ice
Grey ice
30. If you see a hazard ahead, you should:
think about the emergencies that could develop and be prepared to take action.
come to a complete stop when safe to do so.
call the emergency services.
none of the above.
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