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Technical Knowledge NCCO Exam Questions and Answers
Technical Knowledge NCCO Exam Questions and Answers
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Technical Knowledge NCCO ExamQuestions and Answers
Working radius is defined as the distance from? - -Center of rotation of the
crane to the center of gravity of the load
-At what percentage of tipping are truck mounted cranes on outriggers
which are fully extended and set rated? - -85%
-What is the definition of boom length? - -Center of boom heel pin or foot
pin to the center of the boom tip sheave
-Wire rope clips used in conjunction with wedge sockets must be attached to
what? - -The dead end of the rope
-The most common hoist rope in general use is? - -Right regular lay
-Where is the center of rotation of a crane located? - -Through the center of
the swing circle
-On a standard running rope how many randomly distributed broken wires in
one strand is cause for considering replacement? - -Three broken wires in
one strand in one lay
-On a standing rope How many wires need to be broken at an end
connection before replacing - -2
-According to ASME B30.5 mobile crane standard, how many randomly
distributed broken wires in rotation resistant rope is cause for considering
replacement of the rope? - -2 broken wires in 6 rope diameters
-How often should all running ropes in-service be visually inspected? - -
Once each working day
-The lay length of a wire rope is defined as what? - -Distance it takes for one
strand to make a complete revolution
-Greater tension is exerted on slings attached at? - -Low angles
-What is the correct procedure when placing a shackle on a crane hook? - -
Place the shackle pin in the hook
-Which hitch provides the greatest lifting capacity? - -Basket hitch
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