The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be
A. 2 metres of water column
B. 3 metres of water column
C. 3.5 metres of water column
D. 4 m of water column
Answer: Option B
This Question Belongs to Mechanical Engineering >> Hydraulics And Fluid Mechanics In ME
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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
Explanation
Psurface of oil column+row(oil)*g*h(below the oil surface)=row(water)*g*H(water column Lenth)
.1*10000*9.81+800*9.81*2.5=1000*9.81*H (Kg/cm2 convert to Kg/m2 so that multiple 10000)
H=3m