9-11. 9-12. 9-13. 9-14. 9-15. Pick  and  carry  crane  operations  are directed by the crane crew leader. 1. True 2. False The capacity of a crane may change when rotating a load from one quadrant to another. 1. True 2. False Information  concerning  a  crane capacity  in  each  quadrant  of operations can be found at what location? 1. On  the  equipment  status  board 2. In the rigging loft 3. On the crane load chart 4. In the dispatch office Learning Objective: Recognize the components of lattice and telescopic boom cranes. A basic boom consists of which of  the  following  components? 1. The boom butt, a 10 foot extension, and a boom tip 2. The boom butt, boom tip, and a jib 3. The boom butt and a boom tip 4. The boom butt, a 20-foot extension, and a boom tip Manufacturers have set a zero tolerance for what type of defect(s) or damage to any area of a lattice boom? 1. Rust 2. Bent lacings or cords 3. Cracked  welds 4. All of the above 9-16. 9–17. 9-18. 9-19. 9–20. 9-21. Which of the following NAVFAC publications contains the set guidelines  for  cranes  having structural damage? 1. P–405 2. P–307 3. P–306 4. P-300 The rule of thumb used when mixing short  boom  sections  with  long sections is to install the longer sections closest to the boom butt. 1. True 2. False An operator of a crane should NOT rely on the boom angle indicator for  radius  accuracy  especially  when lifts exceed what percentage of the rated  capacity? 1. 60% 2. 65% 3. 70% 4. 75% Each boom section has two pendants. If one pendant is bad, both pendants must be replaced. 1. True 2. False On most cranes,   the function of the jib is to increase the lift height. 1. True 2. False The bridle assembly is the connection point for which of the following  components  of  a  crane? 1. Fairlead 2. Pile  driver  hammer 3. Pendant  lines 4. Master  clutch 64