Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than barometric pressure Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂s = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂s = constant 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 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 II, IV, V II, III, V I, II, III I, II, V II, IV, V II, III, V I, II, III ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid. Non-Newtonion Ideal Incompressible Newtonion Non-Newtonion Ideal Incompressible Newtonion ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Momentum transfer in laminar flow of fluids results due to the None of these Density Velocity gradient Viscosity None of these Density Velocity gradient Viscosity ANSWER DOWNLOAD EXAMIANS APP
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