Fluid Mechanics Rise of liquid in a capillary tube is due to Adhesion Cohesion Both A & B Neither A nor B Adhesion Cohesion Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) 0.01 0.1 1 10 0.01 0.1 1 10 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity) μ² μ 1/μ 1/μ² μ² μ 1/μ 1/μ² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is 5π/2 10√2π 5π/√2 5√2π 5π/2 10√2π 5π/√2 5√2π ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A stream line is A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point Always the path of particle ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these ANSWER DOWNLOAD EXAMIANS APP