CDL GENERAL KNOWLEDGE TEST (PENNSYLVANIA) - PRACTICE TEST

21. When an aggressive driver confronts you, you should:
avoid eye contact.
make eye contact.
return gestures and shouts.
sound your horn and move to the left lane.
22. Before starting down a hill, you should:
apply the brakes hard.
slow down and shift to a lower gear.
look for an escape route.
release the accelerator and shift to Neutral at the same time.
23. Which surface is the most slippery?
Wet pavement
Ice that is not wet
Wet ice
Dry road
24. The liver can only process ______ of alcohol per hour, much ____ than the alcohol in a standard drink.
1/8 an ounce; more
one ounce; more
one ounce; less
1/3 an ounce; less
25. The _______ applies and releases the brakes when you use the brake pedal during normal driving.
emergency brake system
trailer brake system
parking brake system
service brake system
26. How can you determine your following distance?
When the vehicle ahead of you passes a stationary object on the side of road, start counting the seconds it takes you to reach that same object.
Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach that same object.
When the vehicle ahead of you passes a stationary object such as a sign along the road, use the stopwatch on your smartphone to determine how long it takes you to reach that same object.
None of the above.
27. When driving, you should:
check your mirrors regularly.
use your mirrors only when changing lanes.
avoid checking your mirros often.
avoid using your mirrors to spot overtaking vehicles.
28. When your rear wheels lock up, you may:
lose steering control.
gain better control of the vehicle.
skid, jackknife, or spin the vehicle.
All of the above.
29. What is countersteering?
Driving too fast for conditions.
Locking your wheels while turning in an emergency situation.
Turning the steering wheel quickly the other way after steering in an emergency situation.
Staying off the brake while steering to the right to avoid an accident.
30. Axle weight is:
the weight transmitted to the ground by one axle or one set of axles.
the value specified by the manufacturer as the loaded weight of one axle.
the maximum safe weight your tires can carry at a specified pressure.
the weight of all the axles added together.
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