Nccco Core 2024 Test Questions All Answered

NCCCO CORE 2024 TEST QUESTIONS ALL ANSWERED Before leveling a mobile crane on outriggers, an operator should ensure: - ANSWERthere 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? - ANSWERGross capacity minus capacity deductions Mobile cranes that are set up on barges, shall have a list chart provided by which of the entities listed below? - ANSWER- Manufacturer When lifting loads on tires, mobile cranes are rated at what percentage of tipping? - ANSWER- 75% How does the effective weight of a slowed extension relate to the actual weight of the extension? - ANSWER- Higher than the actual weight. When load radius is between radii values, the operator must use the: - ANSWERlonger radius Why should only approved attachments or extra counterweights provided by the manufacturer be placed on the rear of the crane? - ANSWER- They could cause a backward stability problem. A mobile crane's jib is offset 15º versus its original 0º offset, but the boom angle remains unchanged. In this situation, the load radius: - ANSWER- increases Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effect? - ANSWER- Collapsing the boom.