NM CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
In a vehicle with a dual air brake system:
|
each system has its own air tanks.
|
|
|
one system supplies air to the trailer.
|
|
|
both systems typically operate the regular brakes on the rear axle.
|
22.
_________ is operating a motor vehicle with the intent of doing harm to others.
|
Road rage
|
|
|
Aggressive driving
|
|
|
Angry driving
|
23.
When should you sound your horn?
|
When using your horn can help avoid an accident.
|
|
|
When you are about to change lanes.
|
|
|
When you are being tailgated by an aggressive driver.
|
24.
How should you apply the brakes when going down a steep downgrade?
|
Apply the brakes as hard as you can without locking the wheels.
|
|
|
Apply the brakes when you reach the bottom of the downgrade.
|
|
|
Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
|
25.
When you are driving very slowly you should:
|
avoid braking.
|
|
|
stay in the left lane.
|
|
|
use the 4-way emergency flashers.
|
26.
If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
|
4 seconds
|
|
|
5 seconds
|
|
|
3 seconds
|
27.
Too much weight on the steering axle can cause:
|
poor traction.
|
|
|
better handling.
|
|
|
hard steering and damage to the steering axle and tires.
|
28.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
|
50 psi
|
|
|
100 psi
|
|
|
75 psi
|
29.
To prevent fatigue during long trips you should:
|
rely on caffeine.
|
|
|
take frequent breaks.
|
|
|
take a cold shower.
|
30.
Aggressive driving is the act of:
|
operating a vehicle at a safe speed.
|
|
|
operating a vehicle in the left lane.
|
|
|
operating a vehicle in a selfish or pushy manner.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More