Fluid Mechanics Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the Fluid velocity in the pipe All of these Time taken to close the valve Pipe length Fluid velocity in the pipe All of these Time taken to close the valve Pipe length ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The bulk modulus of elasticity of a liquid Is independent of temperature & pressure Increases with pressure Is zero for incompressible liquid Decreases with pressure Is independent of temperature & pressure Increases with pressure Is zero for incompressible liquid Decreases with pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = 0 ∂/∂s = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂s = constant ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Ratio of inertial forces to surface tension forces is called the __________ number. Weber Froude Mach Euler Weber Froude Mach Euler ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Path followed by water jet issuing from the bottom of a water tank will be a Hyperbola Horizontal straight line Zig-zag path (which is geometrically undefined) Parabola (vertex being at the opening) Hyperbola Horizontal straight line Zig-zag path (which is geometrically undefined) Parabola (vertex being at the opening) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. I, II, V I, II, III II, III, V II, IV, V I, II, V I, II, III II, III, V II, IV, V ANSWER DOWNLOAD EXAMIANS APP
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