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.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More