NCCCO EXAM – RIGGER AND SIGNAL PERSON EXAM QUESTIONS WITH CORRECT ANSWERS
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Course
NCCCO RIGGER AND SIGNAL PERSON
Institution
NCCCO RIGGER AND SIGNAL PERSON
NCCCO EXAM – RIGGER AND SIGNAL PERSON EXAM QUESTIONS WITH CORRECT ANSWERS
Spreader bar - Answer-A frame, forming part of the boom suspension, supporting sheaves for the live suspsension ropes and attached to the fixed suspension ropes ( pendants); also called bridle or spreader.
Spreader B...
NCCCO EXAM – RIGGER AND SIGNAL
PERSON EXAM QUESTIONS WITH
CORRECT ANSWERS
Spreader bar - Answer-A frame, forming part of the boom suspension, supporting
sheaves for the live suspsension ropes and attached to the fixed suspension ropes (
pendants); also called bridle or spreader.
Spreader Beam - Answer-A Fixture made of rigid parts, such as pipe, wide-flange, I-
beam, channel, plate, etc., to assist in rigging a load; also called lifting beam..
Tackle - Answer-Pieces of rigging such as slings, spreader bars, chokers, shackles,
thimbles, eyebolts, rings, or other handling fixtures used for attachment of the load to
the crane or hoist.
Turnbuckle - Answer-Device attached to wire rope chain or rods for making limited
adjustments in length, which consists of a barrel and right-hand and left-hand threaded
bolts.
Vertical Angle - Answer-Angle between the sling andd a vertival line between the crane
hook and the center of gravity or the load
Wedge Socket - Answer-An end fitting that terminates a wire rope by compressing the
wire rope between a wedge and socket body.
Hooks - Answer-Hooks should be made from forged alloy steel for strength, which is
similar to chain construction.
They should also be constructed with spring loaded saftey latches except for grab,
sorting, and foundry type hooks. The latch is not intended to support the load. When a
latch is provided, it must be able to retain items, such as but not limited to slings and
chains under slack conditions.
Shackles - Answer-There are three types of shackles most common in rigging.
Anchor
Chain
Synthetic Sling
All three types are constructed with eithehr screw pins or bolt type pins.
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