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Comprehensive preparation for the nccco core plus specialty crane operator certification exam. It covers a wide range of topics including asme standards, osha regulations, crane assembly and disassembly, power line safety, wire rope inspection, safety devices, load calculations, and operator qualifications. The document aims to equip crane operators with the knowledge and skills necessary to pass the nccco certification exam with a 100% guaranteed pass rate. It includes detailed questions and verified answers to help candidates thoroughly prepare for the exam. A valuable resource for crane operators, safety professionals, and anyone seeking to obtain or maintain nccco certification.
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FABIAN 7/29/24 NCCCO CORE
Nccco Core plus Specialty Test Prep (Latest Update) Questions and Verified Answers (100% Guaranteed Pass) ASME B30. Mobile and Locomotive cranes, all types ASME B30. Tower Cranes ASME B30. Personel Lifting Regs OSHA 29 CFR 1926.1400 Series Cranes & Derrick's used in Construction regs. Rotation Resistant Wire Rope 2 randomly broken wires in 6 diameters. 4 randomly broken wires in 30 diameters. Safety factor 5.
Safety factor personel lifts 10- 1 ASME B30. Slings Personel Platforms ASME B30. Maximum Wind 15mph Cranes capacity not exceed 50% Rigging 5-1 Safety Factor, if Wire Rope Bridal must use MasterLink or Shackle Attachment. Wire Rope Safety Factor 7-1, Rotation Resistant 10- 1 Sling eyes must have thimbles. Load test platform 125% / 5 minutes before use. Frequent + daily inspection. 100 ' per minute lower speed. Gate must Open Inward. OSHA 29 CFR 1926. Ground Conditions Ground must be firm, graded and drained. Warn Operator of Locations of Hazards.
Outriggers + Dunnage Pads should be Secured To Outriggers. Outrigger Floats + Mats should be able to Support Total Weight of Crane and Load, including rigging. Fully extended, tires off ground. Free of Crane weight. If cannot fully extend outriggers, on rubber chart should be used. Unless have load chart for partially extended. Outrigger Pads Must be 90° angle to cylinder. Mats and Blocking used to distribute bearing pressure. Never block under outrigger beams. Truck crane pick over front require front outrigger load chart. Spans and gapped blocking fails at 50% load and destroys pads. Swing Clearance Swing clearance must be barricaded. (2' outside swing radius) Best Leveling Surface On Crane? Upper works.
Cranes 3° out of level will? Decrease capacity by as much as 50%. Plus add to excessive boom side loading and sheeve wear. Level not to exceed <1° When Swinging Unlevel Crane? Load Radius Increases. Extended Crawlers Will? Increase over the side capacity. Greatest Ground Pressure Exerted By Crane? Over rear corner (outriggers) Corners (crawlers) Least Exerted Ground Pressure By Crane? Over side (both outrigger and crawler) Greatest Crane Lifting Capacity?
Rear (outriggers and crawlers) Distance from Excavations? 1.5 ratio, I.E 10' Deep Excavation 10x1.5=15' from outrigger pad. Newly Compacted Soil near walls is a 1-1 ratio. OSHA 29 CFR 1926.1404 ASSEMBLY/DISASSEMBLY AD director must be available, Must be competent or qualified. AD must understand the Assembly Disassembly procedures. AD must ensure crew members understand their
Order Of Boom Section Assembly is? Short to Long, unless mfg recommends otherwise. Use Dog (Pawl)? When Assembling. OSHA 29 CFR 1926.1408 Covers? Power Lines. Voltages Under 350kv. Per OSHA 1926.1408 (Table A) Minimum Line Clearance Distances While Stationary Are? 0 - 50kv / 10' 50 - 200kv / 15' 200 - 350kv / 20' 350 - 500kv / 25' 500 - 750kv / 35' 750 - 1000kv / 45' "OVER 1000KV UTILITY/REGISTERED PROFESSIONAL ENGINEER, who is qualified, WILL ESTABLISH SAFE DISTANCES" Per OSHA 1926.1411 (Table T) Minimum Line Clearance Distances While Traveling Are? <0.75kv / 4'
0.75-50kv / 6' 50kv-345kv / 10' 345kv-750kv / 16' 750kv-1000kv / 20' "Over 1000kv, utility/ registered professional engineer, who is qualified, dictates allowable distances." Per OSHA 1926.1407- 1411 While Traveling, Or stationary, A Dedicated Spotter is Required? When any part of Crane will come closer than 20' of energized conducter, Any Voltage Under 1000kv. Per OSHA 1926. An Insulating link/device must be installed where? Between end of load line, (or below), and the load. Per OSHA 1926.1407- 1411 When using a tagline around energized lines it must be? Non-conductive, (Polypropylene) Employer must _____ to the Operators and Crew Members Assigned to Work around Energized Conductors.
Train and Explain Dangers and Hazards Per OSHA 1926. A Qualified Person Is? By possession of a degree, certificate, professional standing, or by extensive knowledge, training and experience successfully demonstrates the ability to resolve/solve problems related to the subject matter, work, or the project. Per OSHA 1926. A qualified Rigger is? A rigger who meets the qualified persons criteria. Per OSHA 1926. A competent person is? Anyone who is capable of identifying existing predictable hazards in the surroundings which are unsanitary, hazardous, or dangerous to employees. And who has the authorization to take prompt corrective action to eliminate them. Modified equipment must be inspected by? A qualified person. Modified Equipment inspection must include?
Functional testing of equipment by qualified person. Monthly Inspections must be performed by? A competent person. Monthly Inspection records must be kept 3 months. Name, SIG, date of inspection and results. Annual Inspections must be performed by? A qualified person. Must include functional testing. Inspection records must be kept for 12 months. Name, SIG, date of inspection and results. A competent person must ____ before each shift. Perform a visual inspection of equipment. Equipment should be taken out of service when? Required safety device is found inoperable.
If Crane is idle for 3< months, inspections must be done by? A qualified person. Running rope is used where? Load lines, boom hoist lines. Most common is right regular lay. Right Regular Lay is? The most common type of wire rope used. Rotation Resistant rope cannot be? Used in boom hoist unless mfg specifies. Per OSHA 1926. Wire rope diameter is out of service when? Outside diameter is reduced by 5% or more. Running wire rope must not? Have 3 broken wires in one stand of one lay. Have 6 randomly broken wires in on lay.
Have a reduction of 5% diameter. Standing rope is? For Pendant lines, hog lines. 2 broken wires away from end socket 1 broken wire at end socket. Safety factor 3- 1 Per OSHA 1926.1415 Safety devices are?
Lattice Cranes Manufactured After Feb- 28 - 1992? Must be equipped with Anti-Two Block Prevention System. Cranes/Equipment Manufactured After Mar- 29 - 2003? Must have LMI, (Load Moment Indicator), Or similar device if lift capacity is over 3tons (6000lbs). Temporary Safety Device Measures Must? Be in place while repair is made. Operating Manual, Load Chart, Warning Decals Must? Be in/on crane at all times. Electrocution Warning On Cranes? Must post warning signs, 1 Visible to operator in cab, at least 2 on outside of equipment. Boom Hoisting drum Must? Be at Least 15x The Nominal Wire Rope Diameter Used. A critical lift is? A lift at 75% of equipments rated capacity.
Also, critical lifts can be expensive, hard to replace, or awkward. You should test hoist brake when and how? Any time the load is 90% capacity of Line Pull by lifting slightly off ground and holding. Never ____ a load sideways. Drag or Pull. Operator must comply with _____ procedures and capacity. Manufacturers. Operator must know? Weight of load, radius, Hazards present, etc. Before starting the engine operator must ensure that? All Controls are in the proper position and ensure all personnel are in the clear. Per OSHA 1926. The Boom or other parts of the equipment Must? Never Contact Any Obstruction. Catastrophic Failure Will Result.
Before Operating in Cold Weather Operator Must? Check for iced or frozen components. Weight of material to be hoisted must be? Provided and verified by the operator prior to lift, not to exceed equipment capacity. Accurately measured by mfg of by other industry standard means such as using knowns like the weight of steel per foot. Etc. One method for determining load weight using LMI? Lift load to determine weight, should the weight exceed 75% capacity at furthest required radius, via calculation, load should not be hoisted. 1926.1417 (O) (1-3) (I-II) Nccco stands for? National Commission for the Certification of Crane Operators Per OSHA 1926. Operator Qualification/Certification (Option 1)? Option 1;
Certification; Test must be done by recognized accrediting agency. 1 - Pass both written and practical exams 2 - Provide Different Levels of certification based on capacity/type operator will be certified for. 3 - Certification Valid for 5 Years. 4 - Certification is Portable 5 - Have Procedure for recertification. Per OSHA 1926. Operator Qualification/Certification (Option 2) Option 2; Qualification; 1 - Pass both written and Practical exam. 2 - Provide Different Levels of Qualification based on equipment and type. 3 - Not portable
4 - Auditor of test cannot be an employee. 5 - Qualification valid for 5 years. 6 - Have Procedure for re-qualification. Operator Certification by? November 2014. Safety Factors for wire rope and platforms used with cranes? Running rope - 3.5- 1 Rotation Resistant - 5 - 1 Standing Rope - 3 - 1 ASME B30.23 1.1. Personel Platforms minimum design - 5 - 1 *When using Rotation Resistant rope. - 10 - 1 *When using 1 leg - 7 - 1 Strongest hitch? Basket. Strongest to Weakest Hitches? Basket - Vertical - Choker
Types of hitches? Basket, Choker, Vertical Double Basket/Choker Etc. Sling Angle Effects? Tension. Lowering the sling Angle increases the load tension dramatically. Preferred sling Angle is 60°. Preferred Sling Angle? 60° Lowering the sling Angle increases sling tension dramatically. Lifting beams must? Be marked with weight and permitted working load. Per OSHA 1926 and ASME B30.5 Minimum Wire Wraps on Drum? Two. Eccentric Block Reeving Causes? Twisting of Boom.
Reeving wire to one side of the block or boom hoist sheaves causes twisting of Boom. Per ASME B30. Frequent Inspections are? Daily to Monthly. Per ASME B30. Periodic Inspections are? Monthly to Yearly.