Crane load charts Study guides, Class notes & Summaries

NCCCO CORE FINAL EXAM QUESTIONS AND ANSWERS LATEST UPDATE 2024/2025 (100% VERIFIED) 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 fro...

Crane configuration includes - Reeving, boom length, counterweight, on outriggers, on rubbers, extensions or jibs stowed or mounted, off sets, wire rope type or construction. How does the operator determine the manufacturers recommended rope for the crane - Read the manufacturer load chart or operator manual. Capacities above the bold line on the load chart are based on. - Structural Strength If replacing the hoist line wire rope on a crane, howdo you determine the size or type of wire rope t...

Who can recreate or replace load charts for cranes? Only the crane manufacturer What is the gross load? The total weight of everything below the boom tip. What is the Net load? The gross load minus all applicable deductions. Do all cranes have both structural and stability based load charts? No. They are no longer required to. Name some requirements for a load chart to be accurate. Equipment in original condition Operated by experienced and qualified personnel Ideal weather conditions...

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

OECP Exam Questions With 100% Correct Answers 2024/2025 (GRADED) The shaded area on a load chart indicates _______? A structural chart 3. The minimum distance to a power line of unknown voltage is ? 50' 4. When hoisting personnel and have known voltage, can you use Table A and get closer than 20'? Never! 5. What is the minimum tale swing clearance requirement 2' 6. What kind of rigger is required for A/D? Qualified Rigger 7. Signal training is now required in the construction...

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...

OECP Exam Questions With 100% Correct Answers 2024/2025 (VERIFIED) The shaded area on a load chart indicates _______? A structural chart 3. The minimum distance to a power line of unknown voltage is ? 50' 4. When hoisting personnel and have known voltage, can you use Table A and get closer than 20'? Never! 5. What is the minimum tale swing clearance requirement 2' 6. What kind of rigger is required for A/D? Qualified Rigger 7. Signal training is now required in the constructi...

Those who work on a crane or near crane operations must be trained. Which of the following is true for this training? Ans: D. All of the above Certain inspections of crane equipment may be made by a(n) ___________ person; however, crane inspections are typically required to be made by a(n) __________ person. Ans: Competent, qualified After safety-related modifications have been made to crane equipment, the equipment must be inspected by __________ prior to use. Ans: A qualified person...

The load radius as shown on the capacity chart is the distance from the center of rotation to the centerline of the vertical host line with: - The rated load suspended. If the jib angle to ground is changed from 50 degrees to 40 degrees, this would affect the capacity of the crane how? - Capacity will decrease. Load capacity charts are based on 75% of tipping for crawler cranes without out riggers. For wheel mounted cranes, using outriggers fully extended, capacities are based on what perce...

What could happen when the boom sections on an individually controlled telescopic section are not extended evenly? a) The longer sections could be overloaded. b) The capacity of the crane is increased. c) The shorter sections could be overloaded. d) It will not make a difference. a) The longer sections could be overloaded. While performing the shift inspection, you find a hoist wire rope with a kink in it, what would you do? a) Document it on the shift inspection. b) Stop opera...