CDL PRACTICE TEST (FL) - GENERAL KNOWLEDGE TEST
41.
A hazard is:
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A dangerous material.
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Any road user or road condition that is a possible danger.
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Something you can easily avoid.
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Something you must stop for.
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42.
When driving, you should check your mirrors:
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only when there may be a problem.
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regularly.
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every 10 seconds.
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every 4 seconds.
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43.
If are being followed closely, you should:
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decrease your following distance.
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flash your brake lights.
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increase your following distance.
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change lanes quickly.
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44.
In an emergency:
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stopping is always the best thing to do.
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you should never turn to miss an obstacle.
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stopping is not always the safest thing to do.
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you should keep one hand on the steering wheel.
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45.
Class 1 hazardous materials include:
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Flammable solids
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Explosives
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Radioactive materials
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Flammable liquids
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46.
Which of the following are key steering system parts?
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Leaf spring, torque rod, front axle hanger
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Tie rod, drag link, spindle
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Lug nuts, rims, tire
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Axle, main spring, spring shackle
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47.
Drivers should not assume that the heights posted at bridges and overpasses are correct. Why?
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The bridge/overpass may have been rebuilt since the heights were originally posted.
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Packed snow or repaving may have reduced the clearances since the heights were posted.
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Some roads can cause a vehicle to tilt.
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The weight of a cargo van changes its height.
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48.
The best way to recover from a brake failure while going downhill is to:
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use the parking brake.
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be prepared to countersteer.
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use the escape ramp.
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use engine braking.
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49.
Name some exhaust system parts.
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Mufflers, mounting brackets and vertical stacks
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Pitman arm, hydraulic fluid reservoir and tie rod
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Drag link, spindle and gear box
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Main spring, axle and font axle hanger
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50.
If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
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4 seconds
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5 seconds
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3 seconds
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6 seconds
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