LA CDL PRACTICE TEST - GENERAL KNOWLEDGE

31. When possible, you should park:
on the roadway.
so you will be able to pull forward when you leave.
on the shoulder.
so you will have to back up when you leave.
32. How can you avoid rolling back when you start your vehicle?
Use stab braking before you engage the clutch.
Partly engage the clutch before you take your right foot off the brake.
Accelerate quickly so the vehicle does not jerk.
All of the above.
33. If your brakes fail on a steep mountain downgrade, you should:
set the parking brake and park in an open area.
decide what to do as soon as you know your brakes do not work.
stay on the road and keep looking for the next available escape ramp.
slow down until your vehicle comes to a complete stop.
34. Antilock brakes:
decrease your stopping distance.
let you drive faster.
help you stop faster.
None of the above.
35. Which of the following statements about drinking alcohol is true?
Alcohol first affects judgment and self-control, which are necessary for safe driving.
The BAC measures the amount of alcohol in your body.
Only time will sober you up.
All of the above.
36. What is an advantage of going right instead of left around an obstacle?
There is no real advantage.
If an oncoming driver has drifted into your lane, their natural response will be to brake suddenly.
If you are blocked on both sides, a move to the right won't force anyone into an opposing traffic lane and a possible head-on accident.
No one is likely to be passing you on the left, but someone may be driving on the shoulder.
37. Tar in the road pavement:
increases the ability to maintain traction on a vehicle.
does not affect the road surface.
frequently rises to the surface in very hot weather.
can slow down your vehicle.
38. When backing, you should:
avoid using the mirrors.
use a helper if possible.
back quickly.
back and turn toward the right side.
39. Placards are:
a type of safety equipment.
signs placed on a vehicle to identify the hazard class of the cargo.
signs put inside a vehicle used to warn others of hazardous materials.
devices placed below a vehicle to improve traction.
40. Gross vehicle weight (GVW) is:
the total weight of the vehicle axle.
the total weight of the trailer or trailers.
the total weight of a single vehicle, except its load.
the total weight of a single vehicle including its load.
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