Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂s = constant ∂/∂t = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂s = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of supersonic flow of a fluid through pipeline, the 'Mach number' is < 1 > 1 1 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of actual discharge to theoretical discharge through an orifice is equal to Cv . Cd Cc . Cd Cc . Cv Cd/Cv Cv . Cd Cc . Cd Cc . Cv Cd/Cv ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity First decreases, and then increases Remains constant Decreases Also increases First decreases, and then increases Remains constant Decreases Also increases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Dimension of kinematic viscosity is L²T L² . T⁻² L² . T⁻¹ MLT⁻¹ L²T L² . T⁻² L² . T⁻¹ MLT⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Independent of the shear stress Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
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