9. A rigging job calls for lifting a structure that weighs 150 tons. Two cranes are available, one with a rated capacity of 85 tons and the other with a rated capacity of 120 tons. The total weight of the rigging required to make the lift is 15 tons, of which 10 tons is to be carried by the larger crane and 5 tons is to be carried by the smaller crane. If the cranes are to be loaded in proportion to their net capacities, what should be the approximate net load on the 120-ton crane? A. 85 tons B. 44 tons C. 56 tons D. 63 tons

9. A rigging job calls for lifting a structure that weighs 150 tons. Two cranes are available, one with a rated capacity of 85 tons and the other with a rated capacity of 120 tons. The total weight of the rigging required to make the lift is 15 tons, of which 10 tons is to be carried by the larger crane and 5 tons is to be carried by the smaller crane. If the cranes are to be loaded in proportion to their net capacities, what should be the approximate net load on the 120-ton crane? A. 85 tons B. 44 tons C. 56 tons D. 63 tons

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter4: Mechanical Processes

Section: Chapter Questions

Problem 4.7P

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Question

9. A rigging job calls for lifting a structure that weighs 150 tons. Two cranes are available, one with a rated
capacity of 85 tons and the other with a rated capacity of 120 tons. The total weight of the rigging required
to make the lift is 15 tons, of which 10 tons is to be carried by the larger crane and 5 tons is to be carried
by the smaller crane. If the cranes are to be loaded in proportion to their net capacities, what should be the
approximate net load on the 120-ton crane?
A. 85 tons
B. 44 tons
C. 56 tons
D. 63 tons

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