Advanced Rigger Exam Questions and Complete Solutions Graded A+.
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Course
Ncccer advance rigger
Institution
Ncccer Advance Rigger
Leverage is defined as? - Answer: the power applied to a lever to cause a load to move
A cranes stability is affected by all of the following except: - Answer: centered lift
The quadrant that is located between the rear outriggers or crawlers in the rearward direction of travel is know...
, Leverage is defined as? - Answer: the power applied to a lever to cause a load to move
A cranes stability is affected by all of the following except: - Answer: centered lift
The quadrant that is located between the rear outriggers or crawlers in the rearward direction of travel
is known as: - Answer: over-the-rear
The operational quadrant between the left or right side outriggers is: - Answer: over the side
A loads center of gravity in relation to the tipping axis is affected by all of the following except: -
Answer: raising or lowering the load
Backward stability of a crane is affected by: - Answer: high boom angles and inclines
what dynamic occurs when a load is hoisted from a point other than directly over the load? - Answer:
pendulum effect
the sudden release of a load that causes a rapid change in effective load weight is called? - Answer:
impact loading
doubling the depth of a cribbing beam increases the WLL by a factor of? - Answer: four
a sling angle is considered hazardous if it is less than_______degrees from horizontal? - Answer: 45
the formula for determining the wll of a bridle hitch is? - Answer: WLL=(W)(H÷L)(2)
spreader beans are tested at what percent of the rated capacity? - Answer: 125
adjustable lifting beams are limited to loads of less than a hundred times - Answer: false
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