Technical Knowledge NCCO Actual Exam Questions With 100% Complete Solutions
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Course
Technical Knowledge NCCO
Institution
Technical Knowledge NCCO
Working radius is defined as the distance from? - CORRECT ANSWER-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? - CORRECT ANSWER-85%
What is the definition of boo...
Technical Knowledge NCCO Actual
Exam Questions With 100% Complete
Solutions
Working radius is defined as the distance from? - CORRECT ANSWER-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? - CORRECT ANSWER-85%
What is the definition of boom length? - CORRECT ANSWER-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? -
CORRECT ANSWER-The dead end of the rope
The most common hoist rope in general use is? - CORRECT ANSWER-Right regular
lay
Where is the center of rotation of a crane located? - CORRECT ANSWER-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? - CORRECT ANSWER-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 - CORRECT ANSWER-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?
- CORRECT ANSWER-2 broken wires in 6 rope diameters
, How often should all running ropes in-service be visually inspected? - CORRECT
ANSWER-Once each working day
The lay length of a wire rope is defined as what? - CORRECT ANSWER-Distance it
takes for one strand to make a complete revolution
Greater tension is exerted on slings attached at? - CORRECT ANSWER-Low angles
What is the correct procedure when placing a shackle on a crane hook? - CORRECT
ANSWER-Place the shackle pin in the hook
Which hitch provides the greatest lifting capacity? - CORRECT ANSWER-Basket hitch
It is time to replace wire rope when what diameter of outside wires is worn away? -
CORRECT ANSWER-1/3
Never use a fiber core wire rope when working temperatures exceed what? -
CORRECT ANSWER-180°
Which type core provides the maximum flexibility to wire rope? - CORRECT ANSWER-
Fiber core
Which of the following is classified as a standing rope? - CORRECT ANSWER-Pendant
lines
The dead end of a standard running rope above the wedge socket must extend a
minimum of six times the rope diameter or? - CORRECT ANSWER-6 inches
How often should you grease crane sheaves? - CORRECT ANSWER-According to the
manufacturers specifications
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