Fluid Mechanics Shear stress in a fluid flowing in a round pipe Is zero at the centre and varies linearly with the radius Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Varies parabolically across the cross-section Is zero at the centre and varies linearly with the radius Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Varies parabolically across the cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is 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 Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cd is always __________ Cc. Less than Equal to Either more or less than Greater than Less than Equal to Either more or less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant? Rotational Unsteady Non-uniform Turbulent Rotational Unsteady Non-uniform Turbulent ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will Increase Decrease Data insufficient to predict relative pressure drop Remain unchanged Increase Decrease Data insufficient to predict relative pressure drop Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of velocity head is ft-lb/sec ft-lb/ft³ ft-lbf/sec ft-lbf/lb ft-lb/sec ft-lb/ft³ ft-lbf/sec ft-lbf/lb ANSWER DOWNLOAD EXAMIANS APP
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