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NCCCO 3 /50 Questions And Answers Latest 2023 Download To Pass!!!
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NCCCO 3 /50 Questions And Answers Latest 2023Download To Pass!!!
Quiz :1. The crane is out of level, you release the swing brake, the boom swings
downhill, your: - Answer :load radius increases.
Quiz :1. Blocking can be placed under the ends of tracks to: - Answer :increase
the crane's stability when operating over front or back.
Quiz :1. What quadrant produces the least amount of ground pressure on a
lattice crawler: - Answer :side.
Quiz :1. On lattice boom cranes fitted with power load lowering, a heavy load
should be lowered by using the: - Answer :power load-lowering feature and the
foot brake.
Quiz :1. Abruptly stopping a rapid swing on a long-boom mobile crane will
produce what major effect? - Answer :Overturning the crane or collapsing the
boom.
Quiz :1. When the boom handle is released to its center position, which action
should be expected? - Answer :The boom hoist will be held stationary.
Quiz :1. On a lattice boom crawler crane, the main boom length is measured from
the: - Answer :center of the boom heel pins to the center of the boom tip sheave.
Quiz :1. You can't level your crawler crane: - Answer :don't operate crane.
Quiz :1. What effect does having the crawlers retracted have on a crawler crane
with a long boom? - Answer :Decrease in capacity.
Quiz :1. Your crawler crane is on a barge, it is necessary to: - Answer :secure the
crane to the barge.
Quiz :1. A pin-connected lattice boom is being dismantled. After connecting the
equalizer (bridle) to the connecting lugs on the boom, which boom connecting
, pins should be removed first? - Answer :Lower connection pins, located at and
ahead of the equalizer.
Quiz :1. When using a mobile crane on a barge, the crane's load capacity chart
shall be: - Answer :replaced by a list chart.
Quiz :1. How many broken wires are permitted at the end connection of a
pendant before it must be taken out of service? - Answer :1
Quiz :1. If high winds are expected and the lattice boom crane must be secured
pointing into the wind, then the hook should be: - Answer :secured to a solid
structure directly below the boom point
Quiz :1. When assembling a lattice boom on most crawler cranes using inserts of
different lengths, which insert section generally should be closest to the boom
foot? - Answer :10 ft.
Quiz :1. During assembly where should you attach slings to lift boom sections? -
Answer :End fittings
Quiz :1. Which boom configuration can cause the most hazardous boom side-
loading condition? - Answer :Long boom with minimum radius.
Quiz :1. When is it safe to handle loads under power lines? - Answer :The load
nor any part of the crane can come closer than regulations allow.
Quiz :1. On a lattice boom truck crane, boom angle is measured between the
centerline of the: - Answer :loaded boom and the horizontal.
Quiz :1. When a lattice boom truck crane is lifting on outriggers, the floats or pads
should always be: - Answer :secured to the outriggers.
Quiz :1. Manufacturer specifications permit only a certain amount of boom to be
suspended out past the connection point of the pendants during assembly or
disassembly of the boom. The portion of boom that is suspended in this way is
called the: - Answer :cantilever length.
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