Science, asked by razzrock810, 7 months ago

7) What is the efficiency of a simple screw jack having velocity
ratio is 314.2 and mechanical advantage is 220? | साधारण स्क्रू जैक
की एफिशिएंसी क्या है, जिसका वेग अनुपात 314.2 एवं मैकेनिकल एडवांटेज 220
है?
O O
A)60%
O O
B) 65%
O O
C)70%
D)75%​

Answers

Answered by trushnapanchal07
1

Answer:

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