Fluid Mechanics Power number is the ratio of Gravitational stress to drag stress Inertial stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Gravitational stress to drag stress Inertial stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Scale up of agitator design requires Dynamic similarity only Geometrical similarity only Both geometrical and dynamic similarity All of these Dynamic similarity only Geometrical similarity only Both geometrical and dynamic similarity All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Ratio of inertial forces to surface tension forces is called the __________ number. Weber Mach Euler Froude Weber Mach Euler Froude ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) Vs²/Dp³ Vs/Dp³ Vs²/Dp² Vs/Dp² Vs²/Dp³ Vs/Dp³ Vs²/Dp² Vs/Dp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The bulk modulus of elasticity of a liquid Decreases with pressure Increases with pressure Is independent of temperature & pressure Is zero for incompressible liquid Decreases with pressure Increases with pressure Is independent of temperature & pressure Is zero for incompressible liquid ANSWER DOWNLOAD EXAMIANS APP
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