A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury?
A. The metal piece will simply float over the mercury
B. The metal piece will be immersed in mercury by half
C. Whole of the metal piece will be immersed with its top surface just at mercury level
D. Metal piece will sink to the bottom
Answer: Option C
This Question Belongs to Mechanical Engineering >> Hydraulics And Fluid Mechanics In ME
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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
w= p*g
7.85*10^3/10=p
p=0.785=0.8 ans