Q. For a self locking lifting machine, the efficiency must be

(A) 50 percent
(B) 100 percent
(C) more than 50 percent
(D) less than 50 percent

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✅ Correct Answer: (D) less than 50 percent

Published by Madan ⭐ 7.44K Points at 13-Sep-2022 08:43 am in Applied Mechanics

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