Power Eng 3rd Class Practice Questions - SOPEEC 3rd Class Power Engineer Exams Exam

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A chain hoist has a velocity ratio of 30:1. If an operator applies an effort of 150 N to lift a load of 3,600 N, what is the mechanical efficiency of the hoist?

12.5% 80.0% 60.0% 45.0%

Correct Answer:

80.0%

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