4-19. Which of the following personnel have the responsibility of performing  the  “before”  “during,” and  “after”  inspection  of  the crane? 1. Crane certifying officer 2. Crane test operator 3. Crane test mechanic 4. Crane test rigger 4-20. When transporting a crane on the open road, you must avoid any power source by at least what distance? 1. 4 feet 2. 10 feet 3. 15 feet 4. 20  feet 4-21. Which of the following personnel have the responsibility for completing the crane lift checklist? 1. Crane certifying officer 2. Crane crew supervisor 3. Crane crew rigger 4. Crane crew operator 4-22. What is the minimum requirements for  retaining  ODCLs? 1. ODCLs from the past 90 days of  operations  and  ODCLs  of the  current  month 2. ODCLs from the past 60 days of  operations  and  ODCLs  of the current month 3. ODCLs from the previous month of  operations  and  ODCLs  of the current month 4. ODCLs of the current month of  operation 4-23. More than two broken wires in one lay in sections beyond the end connection is the condition for replacing  what  section  of  wire rope? 1. Wire rope connected to a wedge socket 2. Boom pendant ropes 3. Boom hoist ropes 4. Wire rope connected to a winch 4-24. The use of a wedge socket develops only  what  percentage  of  the breaking strength of the wire rope? 1. 90% 2. 80% 3. 70% 4. 60% 4-25. When should the crane hook block be  magna-fluxed? 1. After 5 years of service 2. After the crane has been released  from  deadline 3. After any repairs performed on the hook block 4. Every fifth certification Learning  Objective:  Recognize the test procedures performed when  weight-testing  cranes. 4-26. A mobile crane is weight-tested at  what  percentage  of  the  rated capacity  of  the  crane? 1. 100% 2. 110% 3. 115% 4. 125% 4-27. When lifting a load that exceeds 75 percent of a crane’s rated capacity,  you  should  determine  the operating  radius  in  what  manner? 1. By  reading  the  boom  angle indicator 2. By actually measuring the operating  radius 3. By watching the boom pendant angle 4. By reading the load chart 4-28. You are assigned to weight test a mobile crane. What is the test weight for a mobile crane with a rated  capacity  of  72,300  pounds? 1. 65,727  pounds 2. 79,530  pounds 3. 82,159  pounds 4. 90,375  pounds 27