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