NCCCO Lattice Boom General Knowledge exam 2024-2025 questions and answers When a lattice crane is in a Tower configuration and the crane has a variable position gantry, the gantry should be in which position? - ANSWER>>In the full up position 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 turntableHow many randomly broken wires must there be to remove a running wire rope from service? - ANSWER>>6 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