CDL PRACTICE TEST - GENERAL KNOWLEDGE (WASHINGTON)

21. To correct a drive-wheel braking skid, you should:
stop braking and countersteer.
fully apply the brakes until you stop.
release the clutch and press the accelerator at the same time, then countersteer.
22. Alcohol:
impairs depth perception.
improves reaction time.
does not affect judgement.
23. If you are driving a vehicle with manual transmission that requires double clutching to change gears, the first step of the basic method for shifting up is to:
Release the accelerator, push in the clutch and shift to neutral at the same time.
Release the clutch and press the accelerator at the same time.
Push in the clutch and shift into a higher gear at the same time.
24. ______ is operating a motor vehicle with the intent of doing harm to others.
Aggressive driving
Road rage
All of the above.
25. A red triangle with an orange center means:
Slow-moving vehicle
The vehicle is hauling hazardous materials
Law enforcement vehicle
26. The most common cause of skidding is:
black ice.
driving too fast for conditions.
surface water.
27. If you must stop on or by a one-way or divided highway, where should you place the three reflective triangles?
10 feet, 100 feet, and 200 feet toward the approaching traffic.
10 feet and 100 feet toward the approaching traffic, and 200 feet in front of the vehicle.
100 feet and 200 feet toward the approaching traffic, and 10 feet in front of the vehicle.
28. The only way to stop a front-wheel skid is to:
countersteer.
let the vehicle slow down.
supply more power to the drive wheels.
29. Excessive use of the service brakes results in overheating. Too much heat can:
make the brakes stop working.
cause the brakes to grab.
cause the brakes apply unevenly.
30. Drivers should check and adjust their mirrors:
while driving.
before starting a trip.
after a trip.
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