UTILITY ARBORIST APPRENTICESHIP TRANING PROGRAM - LEVEL ONE BLCK EXAM: Line F - Rigging

UTILITY ARBORIST APPRENTICESHIP TRANING PROGRAM - LEVEL ONE BLCK EXAM:

 Line F - Rigging

F1 - Demonstrate rigging concept including selection and sue of ropes

1. _____________ refers to the dismantling of trees with ropes, pulleys and lowering devices.

2. List two conditions that require rigging to be use when falling a tree.

3. List three attributes to consider mind with selecting rope.

4. Which of the rope construction gets 70 to 90% of its strength from the core?

5. Which of the following rope materials has the highest melting point?

6. Which of the following rope materials has the lowest meting point?

7. List five general precautions to follow when using ropes.

8. what happens to a rope when the sheave holes in tackle blocks are too small to permit sufficient clearance?

9. By what percent will a knot decrease the working load limit ¨WLL) of a rope?

10. Describe an Alpine Butterfly Knot.

11. Which of the following knot type4s is described as a knot made when a rope is secured around an object or its own standing part?

12. Which of the following has a braid rope construction consisting of a brraided rope with no coref?

13. Which of the following is described as a lenghth of rope with a long eye splice on one end of the rope?

14. Define the design factor of a rope.

15. Which of the folowing is the type of know used to join two rope end s together?

16. Which of the following is a U shaped fitting with a pun running through it?

17. Define an electrical conductor.

18. Describe a whoopie sling.

19. Describe the use of a porta-a-wrap.

F2 - Select and use knots, hitches, slings, and hardware in rigging systems

1. List and describe the tree distinct steps in tying any knot.

2. Describe the primary difference between the half hitch and the marline hitch.

3. Describe and draw a Girth hitch.

4. Which of is a variation of the girth hitch, but is formed with a line instead of a loop?

5. List six pieces of equipment used for rigging loads.

6. List three factors that hould be consideered when selecting equipment for rigging loads.

7. Describe the tree step process for inspecting carabiners.

8. List three factors to consider when choosing a block or pulley.

9. List three kinds of specialised pully.

10. Adding a second pulley to a system _____________ the force needed to lift a weight, and _____________ the length of rope required to lift the weight.

11.    Which rigging technique uses the branch attachment point itself as a rigging point to lower limbs safely to the ground?

12. ____________________ describes the process of using additional ropes, fiddle blocks, and or pulleys to multiply an input force into a greater output force.

13. Which of the following techniques is used when obstacle beneath the tree prevents the piece of wood from being lowered directly down?

14. The direction and influence of forces on objects are referred to as ________________.

15. Explain how a loading factor is determined.

16. How can the increased mechanical advantage (IMA) be determined?

17. How many pullys are required to to be able to lifta 300lb object with only using 50lb of force?

18. Carabiners must not be loaded from more then directions.

19. What is the correct way to store carabiners?

20. What is the load multiplier for an angle of deflection of 180?

21. List the knots a Utility Arborist Uses.