NCCCO CORE questions with correct answers

Before leveling a mobile crane on outriggers, an operator should ensure: - Answer there is no weight of the crane bearing on any tires Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered? - Answer Keeping 90 degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? - Answer Separate the boom hoist lines How many randomly broken wires in a lay length must there be on a mobile cranes hoist line, before it should be removed from service? - Answer 6 On a mobile crane, how many broken wires are permitted at the end connection of a pendent before it must be taken out of service? - Answer 1 Type 1 rotation resistant hoist wire rope has a design factor of: - Answer 5 to 1 How many randomly distributed broken wires in rotation- resistant hoist wire rope are considered for replacement? - Answer 2 broken wires in 6 rope diameters The term net capacity is best defined by which of the terms listed below? - Answer Gross capacity minus capacity deductions