Hydraulics and Fluid Mechanics in ME The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 2.4 m 4.0 m 5.0 m 3.0 m 2.4 m 4.0 m 5.0 m 3.0 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. Increases Remain unaffected None of these Decreases Increases Remain unaffected None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as uniform f^w one dimensional flow steady flow turbulent flow uniform f^w one dimensional flow steady flow turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of resistance Newton's law of viscosity Newton's law of cooling Newton's law of motion Newton's law of resistance Newton's law of viscosity Newton's law of cooling Newton's law of motion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.67 times 0.95 times 0.34 times 0.81 times 0.67 times 0.95 times 0.34 times 0.81 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.05 cm 0.10 cm 0.40 cm 0.20 cm 0.05 cm 0.10 cm 0.40 cm 0.20 cm ANSWER DOWNLOAD EXAMIANS APP
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