A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is« Back to Previous Page

A. 50% B. 40% C. 55% D. 30%.
Posted by Civil Engineer
Asked on August 9, 2016 1:47 pm
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A. 50%

Posted by Civil Engineer
Answered on August 9, 2016 1:47 pm