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# GATE 2023 FLUID MECHANICS 18

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Question 1

If two points are at a distance of 5 m to each other and line joining them is inclined at . What is ratio of pressure at these two points. (Take upper point at 2 m depth.)

Question 2

A rectangular plate 1.2 x 3 m is immersed in a liquid of relative density 0.85 with its 1.2 m side horizontal and just at the water surface. If the plane of plate makes an angle of 50 with the horizontal, the pressure force on one side of the plate is

Question 3

A vertical triangular area with vertex downward and altitude 'h' has its base lying on the free surface of a liquid. The centre of pressure below the free surface is at a distance of

Question 4

Calculate the depth of centre of pressure from the bottom of the tank. Refer the figure below.

Question 5

A three-dimensional gate having cross-section of a quarter cylinder is pivoted at the bottom O and is in static equilibrium when subjected to differential fluids of specific weight and as shown in figure below. Assuming the gate is weightless, ratio of and is ----------.

Question 6

A cylinder of radius 0.3 m is located in water as shown. The cylinder and the wall are smooth. For a 1.5 m length of cylinder, the resultant force exerted by the wall on the cylinder is ________ kN.

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