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)
A. $$\frac{{\text{W}}}{{\text{p}}} \times \frac{{\text{A}}}{{\text{a}}}$$
B. $$\frac{{\text{p}}}{{\text{W}}} \times \frac{{\text{a}}}{{\text{A}}}$$
C. $$\frac{{\text{W}}}{{\text{p}}} \times \frac{{\text{a}}}{{\text{A}}}$$
D. $$\frac{{\text{p}}}{{\text{W}}} \times \frac{{\text{A}}}{{\text{a}}}$$
Answer: Option C
This Question Belongs to Mechanical Engineering >> Hydraulics And Fluid Mechanics In ME
Flow of water in a pipe about 3 meters in diameter can be measured by orifice meter...