MA Hoisting License 1B Questions With Verified Answers Updated 2024/2025 | Graded A+.

MA Hoisting License 1B Questions With Verified Answers Updated 2024/2025 | Graded A+. Where shall the hand signals for the machine in use be posted: On the job site 2. Where is it best to connect slings to lift boom sections: End fittings 3. All manufacturers load charts and operations manual shall be kept: On the machine 4. When shall wire rope be taken out of service if used as a running line for hoisting: Six randomly distributed broken wires in 1 lay 5. When shall wire rope be taken out of service if used as a running line for hoisting: Three broken wires in one rope lay 6. What is the major reason for mobile crane accidents:  Improper crane setup 7. What happens to the jib capacity as the jib angle to the ground increases: - Increases 8. When first lifting the boom off the ground, which position should the gantry be in?: Highest MA Hoisting License 1B Questions With Verified Answers Updated 2024/2025 | Scored A+ 2 / 7 9. When dismantling a lattice crane boom which pins should be removed first: Bottom 10. The distance from the center rotation of the crane the the center of a freely suspended hoist line is called: Radius 11. What is it called when the ultimate strength of an object is divided by the safe working load for that object: Safety factor 12. The point about which a crane tips is called: Tipping axis 13. Which percentage of tipping is a crawler crane's stability rated at: 75% 14. On a lattice boom crane what is a fixed A frame called that is located at the top of the superstructure which has the boom cable attached to it: Gantry 15. On a lattice boom crane what is a pivoting a frame which is at the base of the boom and has a fixed angle with the boom called: Live mast 16. When a load is lifted from the ground, what happens to the loads center of gravity: It will move directly under the boom point sheave 17. When contact has been made with an electrical power line, what should the operator do first: Try to break contact 18. When the values fall between the ratings shown on the load chart for radius, what rating should be used: Next longer radius 19. On a crawler crane what should the operator do if the load weight is not 3 / 7 known: Determine by calculating the load weight vs. crane capacity 20. What are the two main factors that limit modern day crane capacity: Structural strength and stability 21. When the values fall between the ratings shown in the load chart for for boom angle, what ratings should be used: Next higher boom angle 4 / 7 22. When hoisting personal with a personal cage , crane hoist lines shall be capable of supporting at least how many times the maximum intended load: 7 23. When hoisting personal with a personal cage, crane hoist lines using rotation resistant wire rope shall be capable of supporting at least how many times the max intended load: 10