CDL GENERAL KNOWLEDGE TEST (MARYLAND) - PRACTICE TEST

41. When driving a 50-foot truck at 40 mph, your minimum following distance should be:
8 seconds
5 seconds
4 seconds
6 seconds
42. Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
white.
blue.
yellow.
red.
43. Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
slow down and change lanes
change direction
sound their horn
stop
44. ______ must report accidents and incidents involving hazardous materials to the proper government agency.
The driver
The shipper
The carrier
All of the above.
45. If there is a fire and you are not sure what to use to put it out, you should:
use a fire extinguisher.
use water.
use dry powder.
wait for firefighters.
46. _________ helps coordinate emergency response to chemical hazards.
The Federal Transportation Organization
The National Response Center
The National Chemical Network
The National Prevention Network
47. The earliest way to recognize that your trailer has started to skid is:
by checking the jackknife sensor.
by releasing the brakes.
by checking your mirrors.
by hearing squeaking noises from the wheels.
48. To keep your vehicle from rolling back when you start, you should:
partly engage the clutch before you take your foot off the brake.
apply the emergency brake whenever necessary.
turn the engine off before you take your foot off the brake.
pump the brakes.
49. To prevent getting sleepy while driving, you should:
drive alone whenever possible.
keep the cab warm.
close the vent.
keep cool by opening the window.
50. When is it safe to remove the radiator cap?
When you can touch the radiator cap with your bare hand.
It is always safe.
As soon as you've stopped, as long as the engine is not hot.
Whenever coolant has to be added to the system.
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