In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is_____________________? | MCQ Hive

Civil Engineering MCQs

Q In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is_____________________?

A A. 30
B B. 50
C C. 60
D D. 80

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