Fluid Mechanics In an incompressible flow of fluid, the fluid Compressibility is greater than zero Density does not change with pressure & temperature Temperature remains constant Is frictionless Compressibility is greater than zero Density does not change with pressure & temperature Temperature remains constant Is frictionless ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For an incompressible fluid, the bulk modulus of elasticity is 1 N ∞ N/m² 5 kg/m³ 0 N/m 1 N ∞ N/m² 5 kg/m³ 0 N/m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady non-uniform flow is represented by flow through a/an Expanding tube at constant rate Long pipe at constant rate Expanding tube at increasing rate Long pipe at decreasing rate Expanding tube at constant rate Long pipe at constant rate Expanding tube at increasing rate Long pipe at decreasing rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Conditions are the same at the adjacent points at any instant Conditions do not change with time at any point Rate of the velocity change is constant Conditions change steadily with time Conditions are the same at the adjacent points at any instant Conditions do not change with time at any point Rate of the velocity change is constant Conditions change steadily with time ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Increases linearly with V Decreases linearly with V None of these Decreases as V² Increases linearly with V Decreases linearly with V None of these Decreases as V² ANSWER DOWNLOAD EXAMIANS APP
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