LA CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
Texting while operating a commercial motor vehicle is:
|
acceptable if you are contacting your dispacther.
|
|
|
illegal.
|
|
|
only allowed at night.
|
|
|
acceptable if you are contacting your supervisor.
|
42.
To release the parking brakes:
|
place the parking brake control knob in Neutral.
|
|
|
push the parking brake control knob in.
|
|
|
pull the parking brake control knob out.
|
|
|
pump the brake pedal 3 times.
|
43.
The distance you will continue to travel, in ideal conditions, before you physically hit the brakes in response to a hazard ahead is called:
|
Reaction distance
|
|
|
Perception distance
|
|
|
Braking distance
|
|
|
Stopping distance
|
44.
Overloading can have bad effects on all of the following except:
|
Braking
|
|
|
Exhaust system
|
|
|
Steering
|
|
|
Speed control
|
45.
With a dual air brake system:
|
each system shares the same lines and hoses.
|
|
|
each system shares air tanks.
|
|
|
each system has its own air tanks, hoses and lines.
|
|
|
one system is the main braking system while the other is a back-up system.
|
46.
When inspecting mirrors and windshields for dirt, cracks, illegal stickers, and other obstructions to seeing clearly, you should:
|
clean and adjust as necessary.
|
|
|
write all necessary adjustments in your pre-trip inspection.
|
|
|
leave it as is and write any instructions or notes on the vehicle inspection guide.
|
|
|
None of the above.
|
47.
After starting the engine, you are looking at the oil pressure gauge. Oil pressure should come up to normal within:
|
10 minutes.
|
|
|
5 minutes.
|
|
|
seconds.
|
|
|
2 minutes.
|
48.
An antilock braking system (ABS):
|
in order to work, requires you to apply the brakes as hard as you can.
|
|
|
requires a change in the way you brake.
|
|
|
decreases your stopping distance.
|
|
|
None of the above:
|
49.
When driving a 60-foot truck at 50 mph, your minimum following distance should be:
|
6 seconds
|
|
|
7 seconds
|
|
|
5 seconds
|
|
|
3 seconds
|
50.
Hydroplaning occurs when:
|
tires lose traction.
|
|
|
tire pressure is high.
|
|
|
you push in the clutch to let the drive wheels turn freely.
|
|
|
you release the accelerator too soon.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More