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
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A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.
A. Steady
B. Streamline
C. Turbulent
D. Unsteady
A hydraulic ram is a device used to
A. Store the energy of water
B. Increase the pressure of water
C. To lift water from deep wells
D. To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height
A. The weight of the body
B. More than the weight of the body
C. Less than the weight of the body
D. Weight of the fluid displaced by the body
Flow of water in a pipe about 3 meters in diameter can be measured by orifice meter...