Nccco correct stuvia - Study guides, Class notes & Summaries

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 mo...

1. What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? a. Boom down b. Swing c. Boom up d. Extend boom - ANSWER c. 2. When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? a. 1% b. 2% c. 5% d. 8% - ANSWER a. 9. Which area do truck cranes without a 5th outrigger gener...

The term "Superstructure or Upper works" refers to the area of the crane: - ANSWER Above the swing circle A crane must be level within _______% for the load chart ratings to be valid? - ANSWER 1% On what principle is crane stability based? - ANSWER Leverage What would be the effect of moving the tipping axis closer to the cranes center of gravity? - ANSWER Reduced stability Which of the following matches the appropriate load chart to a particular crane? - ANSWER Serial number Wh...

Crane configuration includes: A. reeving, boom length, counterweight, on outriggers, on rubbers, extensions or jibs stowed or mounted, off sets, wire rope type or construction B. hoist drum speeds, line pull, wire rope size and rigging C. load charts, LMI, axle weights and center of gravity D. drum rotation indicator, anti-two block, axle lock outs, and positive house lock - ANSWER A How does the operator determine the manufacturers recommended rope for the crane? A. count the sheav...

NCCCO Exam Questions and Answers 100% CorrectNCCCO Exam Questions and Answers 100% CorrectNCCCO Exam Questions and Answers 100% CorrectNCCCO Exam Questions and Answers 100% Correct Boom up - ANSWER - What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? 1% - ANSWER - When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings...

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? - ANSWERKeeping 90 degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? - ANSWERSeparate the boom hoist lines How many randomly broken wires in a lay length must there be on a mobil...

The crane is out of level, you release the swing break, the boom swings downhill, your: - ANSWER Load radius increases Blocking can be placed under the ends of tracks to: - ANSWER Increase the cranes stability when Operating over front or back What quadrant produces the least amount of ground pressure on a lattice crawler: - ANSWER Side On lattice boom crane's fitted with power load Lowering , a heavy load should be lowered by using the: - ANSWER Power Load-lowering feature and the foo...

To provide protection in the cranes work area, barriers MUST be erected in accessible areas; - ANSWERWithin the equipment's rotating structure All of the following can cause a two-block condition except: - ANSWERRaising the boom When rotation of load may be hazardous, the operator must - ANSWEREnsure tag line is used According to OSHA 1926 Subpart cc, which of the following individuals is not allowed within the fall zone? - ANSWERQualified evaluator The term that is used to define...

OSHA 1910 - ANSWERGeneral Industry Standards OSHA 1910.180 - ANSWERCrawler, Locomotive and Truck Cranes OSHA 1910.184 - ANSWERSlings OSHA 1926.251 - ANSWERRigging Equipment used for material handling OSHA 1926 - ANSWERConstruction Industry Standards OSHA 1926.1400 - ANSWERCranes and Derricks used in construction ASME B30.3 - ANSWERTower Cranes ASME B30.5 - ANSWERMobile and Locomotive Cranes ASME B30.9 - ANSWERSlings

Crane configuration includes: A. reeving, boom length, counterweight, on outriggers, on rubbers, extensions or jibs stowed or mounted, off sets, wire rope type or construction B. hoist drum speeds, line pull, wire rope size and rigging C. load charts, LMI, axle weights and center of gravity D. drum rotation indicator, anti-two block, axle lock outs, and positive house lock - ANSWERA How does the operator determine the manufacturers recommended rope for the crane? A. count the sheave...