CDL COMBINATION VEHICLES QUESTIONS AND ANSWERS LATEST TOP SCORE.
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CDL COMBINATION VEHICLES
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CDL COMBINATION VEHICLES
CDL COMBINATION VEHICLES QUESTIONS AND ANSWERS LATEST TOP SCORE.
TRUE OR FALSE:
More than half of truck driver deaths in crashes are the result of truck rollovers. - correct answer. True
Fully loaded rigs are ___ times more likely to roll over in a crash than empty rigs. - correct...
CDL COMBINATION VEHICLES
QUESTIONS AND ANSWERS LATEST
TOP SCORE.
TRUE OR FALSE:
More than half of truck driver deaths in crashes are the result of truck rollovers. - correct
answer. True
Fully loaded rigs are ___ times more likely to roll over in a crash than empty rigs. -
correct answer. 10
What can you do to prevent rollovers? - correct answer. keep the cargo close to the
ground
drive slowly around turns
TRUE OR FALSE:
Keeping cargo low is even more important in combination vehicles than in straight
trucks. - correct answer. True
Rollovers happen when you turn too___ - correct answer. Fast
Trucks with trailers have a dangerous... - correct answer. crack the whip effect
TRUE OR FALSE:
When pulling trailers, a sudden movement with your steering wheel may cause your
tralier to tip over. - correct answer. True
Large combination vehicles take longer to stop when they are... - correct answer.
Empty
How much follwoing distance should you have? - correct answer. At leats 1 second for
every 10 feet of vehicle length under 40 mph.
, How much following distance should you have driving 50 mph? - correct answer. At
least 1 second for every 10 feet of your vehicle plus an additional second.
When lightly loaded, the very stiff suspension springs and strong brakes give poor
traction. - correct answer. True
TRUE OR FALSE:
Tests have shown that bobtails are easy to stop. - correct answer. False
In any combination rig, allow lots of ___ distance and look far ahead. - correct answer.
Following
What is the best way to recognize that the trailer has started to skid? - correct answer.
Seeing it in your mirriors.
TRUE OR FALSE:
When braking hard you should check your mirriors to make sure that your trailer is
staying where it should? - correct answer. True
Why should you not use the trailer hard brake to straighten out a jackknifing trailer. -
correct answer. This is the wrong thing to do since the brakes on the trailer wheels
caused the skid in the first place.
Once the trailer wheels grip the road again, the trailer will start to follow the tractor and
starighten out.
What is off tracking? - correct answer. When a vehicle goes around a corner, the rear
wheels follow a different path than the front wheels.
Longer vehicles will off track more.
TRUE OR FALSE:
If you must back on a curved path, back to the drivers side so you can see. - correct
answer. True
What type of trailers can get stuck on rail-road highway crossing? - correct answer.
Lowboy
Car Carrier
Why should you not use the trailer hand valve while driving? - correct answer. The
trailer hand valve should only be used to test the brakes.
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