CDL PRACTICE TEST - GENERAL KNOWLEDGE (NEVADA)

11. Which of these is true about fire extinguishers?
Check that the extinguisher is the correct type for the class of fire that may occur.
You must study the instructions printed on the extinguisher before you need it.
The fire extinguisher must be properly charged and rated.
All of the above.
12. If there is a sign indicating "Maximum Safe Speed", you should:
travel at the posted speed.
consider it as a suggestion.
know that it doesn't apply to vehicles weighing more than 26,000 pounds.
never exceed the speed shown.
13. When driving on a slippery surface, you should do all of the following except:
keep a shorter following distance.
not pass slower vehicles unless necessary.
watch far enough ahead to keep a steady speed.
adjust braking to conditions.
14. Do NOT use water on a _______ fire.
cloth
paper
gasoline
wood
15. If you triple the speed from 20 to 60 mph the impact and braking distance is:
9 times greater.
12 times greater.
3 times greater.
6 times greater.
16. Brake fade results from:
excessive speeding.
excessive use of the service brakes.
excessive smoke.
excessive wear.
17. Which of the following statements about engine belts and driving in hot weather is true?
Loose belts will result in overheating.
Loose belts will not turn the water pump and/or fan on properly.
You can check v-belt tightness by pressing on the belts.
All of the above.
18. Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
white.
blue.
red.
yellow.
19. A red triangle with an orange center means:
Slow-moving vehicle
The vehicle is hauling hazardous materials
Law enforcement vehicle
Liquid tanker
20. When driving in hot weather, drivers should inspect tires:
every hour or every 50 miles.
every 3 hours or every 75 miles.
every 4 hours or every 200 miles.
every 2 hours or every 100 miles.
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