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SSC JE 2019-20: Hydrostatics Forces on Submerged Bodies
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Question 1
The depth of centre of pressure of a rectangular lamina immersed vertically in water up to a height h is given by
Question 2
What is the vertical component of pressure force on submerged curved surface equal to?
Question 3
Distance between centre of gravity and centre of pressure for horizontal plane surface
Question 4
For a fully submerged body, the centre of buoyancy always coincides with
Question 5
The top surface of a vertical rectangular gate, with 16 m width and 12 m height, and the upper surface of height coincides with the free water surface. The depth of the centre of pressure is
Question 6
Calculation of metacentric height of a floating body involves second moment of area. The axis about which this moment is to be calculated passes though the
Question 7
What are the forces that influence the problem of fluid statics ?
Question 8
The ratio of pressures between two points ‘A’ and ‘B’ located respectively at depths 0.75m and 6m below in a water tank is______.
Question 9
Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I
A. Lubricantion
B. Rise of water in trees
C. Formation of droplets
D. Cavitation
Lists-II
1. Capillary
2. Vapour pressure
3. Viscosity
4. Surface tension
List-I
A. Lubricantion
B. Rise of water in trees
C. Formation of droplets
D. Cavitation
Lists-II
1. Capillary
2. Vapour pressure
3. Viscosity
4. Surface tension
Question 10
A semicircular plane area of diameter 1m, is subjected to a uniform gas pressure of 420kN/m2. What is the moment of thrust (approximately) on the area about its straight edge?
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