ASSIGNMENT  9 Textbook  Assignment: “Cranes  and  Attachments,”  pages  12-1  through  12-55. Learning  Objective: Recognize the types and principles of cranes. 9-1. 9-2. 9-3. 9-4. 9-5. Cranes  are  classified  as  what type  of  equipment? 1. Material  handling 2. Load  handling 3. Weight  handling 4. Cargo  handling What types of crane carrier or mounting is used by the NCF? 1. Crawler  only 2. Truck  and  crawler  only 3. Wheel and truck only 4. Crawler,    truck, and wheel Crawler-mounted  cranes  are categorized  under  what  USN number  registration  series? 1. 37-00000 2. 42-00000 3. 60-00000 4. 82-00000 It is NOT productive to travel a  crawler-mounted  crane  for  more than  what  distance,  in  miles? 1. 1 2. 2 3. 3 4. 4 Crawler–mounted  cranes  having tracks that extend are rated at what percentage of the minimum weight  that  can  cause  the  crane to tip? 1. 90% 2. 85% 3. 80% 4. 75% 9-6. Crane  radius  is  measured  from  what two  points? 1. Boom butt to the center of the hook 2. Center of rotation to the boom tip 3. Center of rotation to the center of the hook 4. Boom butt to the boom tip 9-7. Which  of  the  following  areas are  quadrants  of  operation  for a  crawler-mounted  crane? 1. Over the side 2. Over the drive end 3. Over the idler end 4. All of the above 9-8. Truck-mounted  cranes  are categorized  under  what  USN number  registration  series? 1. 37-00000 2. 42-00000 3. 60-00000 4. 82-00000 9-9. What is the absolute limit of approach for a crane working in an area of power lines that have a current of 125,000 to 250,000 volts? 1. 10 feet 2. 15 feet 3. 20 feet 4. 25 feet 9-10. A boom should rest in the cradle when  traveling  with  a  truck-mounted crane equipped with a lattice boom. 1. True 2. False 63