Mechanical Engineering - Hydraulic Machines - Discussion
Discussion Forum : Hydraulic Machines - Section 3 (Q.No. 16)
16.
The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)
Discussion:
3 comments Page 1 of 1.
Akash kumar said:
8 years ago
C is correct.
As pressure = force/area,
Efficiency = P(output)/P (input),
P(output) = W/A,
P (input) = P/a,
n=Wa/AP.
As pressure = force/area,
Efficiency = P(output)/P (input),
P(output) = W/A,
P (input) = P/a,
n=Wa/AP.
Naveen said:
8 years ago
A is the correct option not C.
Sambhu jana said:
8 years ago
Please explain.
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