NCCCO test #3 CORRECT QUESTIONS & ANSWERS(GRADED A+)
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Course
NCCCO
Institution
NCCCO
The crane is out of level, you release the swing break, the boom swings downhill, your: - ANSWER Load radius increases
Blocking can be placed under the ends of tracks to: - ANSWER Increase the cranes stability when Operating over front or back
What quadrant produces the least amount of ground...
NCCCO test #3 CORRECT QUESTIONS & ANSWERS(GRADED
A+)
The crane is out of level, you release the swing break, the boom swings downhill, your: - ANSWER Load radius
increases
Blocking can be placed under the ends of tracks to: - ANSWER Increase the cranes stability when Operating over
front or back
What quadrant produces the least amount of ground pressure on a lattice crawler: - ANSWER Side
On lattice boom crane's fitted with power load Lowering , a heavy load should be lowered by using the: - ANSWER
Power Load-lowering feature and the foot break
Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effect? - ANSWER
Overturning the crane or collapsing the boom
, When you change the jib to ground angle from 40° to 30° you have: - ANSWER Decreased the capacity of the jib
A lattice boom truck crane with 120 foot boom will be operating at a 42 foot radius.The load chart shows an entry
indicating 25,000 pounds at a 40 foot radius, followed immediately by an entry listing 20,000 pounds at a 45 foot
radius.What is the cranes capacity of the 42 foot radius? - ANSWER 20,000 pounds
A truck crane operating with outriggers fully extended and set does not have a fifth front outrigger,the operator
should: - ANSWER Refer to the manufacturers working area diagram
A crane that climbs a 7% grade, 1 mile hill should descend down the hill in : - ANSWER Either fourth or fifth gear
A lattice boom truck crane, when set up out of level, will lose the most capacity with? - ANSWER Long boom short
radius
A device that automatically stops the boom when it nears the maximum angle is the: - ANSWER Boom hoist kick-
out
When a lattice boom truck crane is operating on properly set outriggers, the tipping access is located at the: -
ANSWER Point where the outriggers touch the ground
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