Nccco stuvia 2024 - Study guides, Class notes & Summaries

A frequent inspection is: - ANSWERDaily to monthly 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? - ANSWERBoom Up (Appendix A to Subpart CC of Part 1926--Standard Hand Signals) 3. The load line of the crane you're operating contacts an energized power line. There's no sign of any other danger, such as fire. What should you do? - ANSWERStay in the cab until the line...

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...

Boom up - ANSWERWhat 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% - ANSWERWhen 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? The capacity listed in the load chart minus the weight of the rigging and all attachments - ANSWERWhat is the net capacity of a crane on main boom un...

Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - ANSWERThe front What is the definition of "operating radius?" - ANSWERThe distance from the center of rotation of the crane to the center of gravity of the load What applies to the capacities below the bold line shown on a load chart? - ANSWERThey are based on the stability of the crane In which quadrant are rough terrain crane capacities generally grea...

Where is the best location for leveling a crane? - ANSWERUpperworks When determining the "gross load" the best method is: - ANSWERGet an accurate load weight and add the rigging. By order of hitch strength, which is the correct answer? - ANSWERBasket, vertical, choker What is the purpose of using a jib? - ANSWERIncrease height When taking a side strain on a boom, what concerns the

The crane is out of level, you release the swing break, the boom swings downhill, your: - ANSWERLoad radius increases Blocking can be placed under the ends of tracks to: - ANSWERIncrease the cranes stability when Operating over front or back On lattice boom crane's fitted with power load Lowering , a heavy load should be lowered by using the: - ANSWERPower Load-lowering feature and the foot break Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effe...

The lattice boom is designed to take winds of up to 20 mph. from the side plus a full rated load, plus a direct side load equal to what percent of the rated load? - ANSWER2% The part of the load chart governed by stability is based on what percentage of capacity while a crawler crane is working over the side quadrant? - ANSWERA. 75% When the number of layers of rope on a drum increase the line pull___________. - ANSWERDecreases When handling boom sections, the best place for slings to b...

To provide protection in the crane's work area, barriers MUST be erected in accessible areas: A. Within machinery housing C. Within maximum radius D. In landing area - ANSWERB.Within the equipment's rotating structure All of the following can cause a two-block condition EXCEPT: A. Extending the boom B. Lowering the boom C. Hoisting up with the winch - ANSWERD. Raising the boom When rotation of the load may be hazardous, the operator must B. Use a longer radius C. Cautio...

When hook-suspended personnel platforms are lifted with a telescopic boom crane, - ANSWERAn anti two-block devise must be provided The safest maximum speed for a telescopic boom crane performing pick-and-carry operations is - ANSWERThe manufacturer's recommended speed limit When using blocking under the outrigger floats/pads, the operator should make sure the blocking is - ANSWERSufficient to support/stabilize the crane When using a telescopic boom crane equipped with an anti two-block...