OR CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

31. Parking brakes are:
not required on commercial vehicles with air brakes.
required on all vehicles.
not required on buses.
not required on trailers.
32. The trailer hand valve should be used:
only on slippery surfaces.
only in an emergency.
only to test the trailer brakes.
only when applying the brakes hard.
33. Distracted driving may be caused by _________ while driving.
reading billboards
adjusting the radio
using your smartphone
All of the above.
34. When making a left turn at an intersection, you should:
always use your horn.
start your turn before reaching the center of the intersection.
reach the center of the intersection before you start the left turn.
always take the left turn lane if there are two turning lanes.
35. Drivers who must stop on a road or the shoulder of any road must put out their emergency warning devices within:
5 minutes
20 minutes
15 minutes
10 minutes
36. Whether or not you load and secure your load yourself, you are responsible for:
recognizing overloads and poorly balanced weight.
inspecting your cargo.
knowing your cargo is properly secured.
All of the above.
37. The best advice for driving in fog is:
pass other vehicles on the right.
listen for fog-related warning signs.
turn on your 4-way emergency flashers and slow down before you enter fog.
do not drive.
38. Air brakes:
can improve fuel efficiency.
are an effective way to stop large and heavy vehicles.
are prohibited on larger vehicles.
should be used only when driving on wet roads.
39. Weaving across the road or drifting from one side to another is typical of:
confused drivers.
slow drivers.
impaired drivers.
shoppers.
40. To make an emergency using the stab braking method, you should:
fully apply the brakes until the wheels lock up, then stay off the brake until the vehicle has slowed down.
apply your brakes all the way, release the brakes when the wheels lock up, and apply the brakes again as soon as the wheels start rolling.
apply firm pressure to the brake pedal and hold for 6 seconds, then pump the pedal three times.
apply the brakes as hard as you can without locking the wheels.
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