NCCCO LATTICE BOOM GENERAL KNOWLEDGE EXAM LATEST
2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
A long boom crane working at minimum radius and 3 degrees out
of level will have a loss of capacity by; - ANSWER-50%
Can rotation resistant rope be used with a swivel? - ANSWER-If
approved by the rope's manufacture
When performing duty cycle operations, most manufactures
require the crane's load chart capacity to be reduced by; -
ANSWER-20%
Backward stability of a crane is tested with the crane configured; -
ANSWER-Basic boom at maximum angle with no load
How many broken wires must be present in one strand of one lay
for running wire rope to be removed from service? - ANSWER-3
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On the majority of conventional cranes the power is transferred to
a torque converter by a; - ANSWER-Master clutch
What is the maximum number of broken wires acceptable before
a replacement on a standing wire rope? - ANSWER-2
What is the minimum design factor required for a right regular lay
main boom auxiliary hoist rope? - ANSWER-3.5
The hoist drum shall have always at least _______ full wraps of
rope on the drum. - ANSWER-2
The definition of "Upper-works or Superstructure" refer to the area
of the crane; - ANSWER-The structure above the turntable
How many randomly broken wires must there be to remove a
running wire rope from service? - ANSWER-6
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Boom length is defined as? - ANSWER-Center of the boom
attachment pin (heel pin, foot pin, pivot pin), to the center of the
boom tip sheaves
The most common type of wire rope in general use is; -
ANSWER-Right regular lay
How many randomly distributed broken wires are caused for
considering replacement of a standard running rope? - ANSWER-
Three broken wires in in one strand in one lay
On a standing rope, how many broken wires need to be broken at
an end connection before replacing the rope? - ANSWER-2
According to ASME B30.5 Mobile Crane Standard, in rotation
resistant rope, how many randomly distributed broken wires is
caused for consideration for replacement of the rope? -
ANSWER-Two broken wires in six rope diameters