Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) 1/d L/σ Σ D 1/d L/σ Σ D 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, IV, V II, III, V I, II, V I, II, III II, IV, V II, III, V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to gravity forces is called the __________ number. Mach Weber Froude Euler Mach Weber Froude Euler ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Dimension of kinematic viscosity is L² . T⁻¹ L²T MLT⁻¹ L² . T⁻² L² . T⁻¹ L²T MLT⁻¹ L² . T⁻² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is A universal constant Zero at the pipe wall None of these Applicable to laminar flow problems A universal constant Zero at the pipe wall None of these Applicable to laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Ratio of inertial forces to surface tension forces is called the __________ number. Weber Froude Euler Mach Weber Froude Euler Mach ANSWER DOWNLOAD EXAMIANS APP