A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to
A. 10 kg
B. 100 kg
C. 1000 kg
D. 1 kg
Answer: Option A
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Related Questions on Hydraulics and Fluid Mechanics in ME
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
Weight on the ram F=mg=1000×10=10000
Using Pascal's law
A
F
=constant where A=πD
2
∴
(15)
2
10000
=
(1.5)
2
F
p
⟹F
p
=100 N =10 kgf