Mechanical Engineering - Engineering Mechanics - Discussion
Discussion Forum : Engineering Mechanics - Section 2 (Q.No. 13)
13.
A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is
Discussion:
32 comments Page 2 of 4.
Akshat said:
6 years ago
What are the System of pulleys?
Omid said:
6 years ago
@Aishu.
Because the efficiency is calculated in % age. So to bring it in percentage it's multiplied with 100.
Because the efficiency is calculated in % age. So to bring it in percentage it's multiplied with 100.
Jeyavelmurugan said:
7 years ago
Weight is greater than effort that is reversible.
DM Shihora said:
4 years ago
Thanks for the explanation.
Chandra prakash said:
8 years ago
Thanks for explaining the concept.
Raymond said:
4 years ago
What if the efficiency of a machine equals 50%, is it reversible or irreversible? Please explain.
Bhavik mandaviya said:
8 years ago
Efficiency = 50%.
Pradeep said:
8 years ago
Less than 50% is Irreversible.
More than 50% is reversible.
Equal to 100% is ideal.
More than 50% is reversible.
Equal to 100% is ideal.
Gurav mohini said:
9 years ago
Nice. Thank you all.
Dinesh said:
9 years ago
Less than 50% is irreversible.
Greater than 50% is reversible.
Greater than 50% is reversible.
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