Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Both A and B Non-viscous Incompressible Having no motion of one fluid layer relative to the other Both A and B Non-viscous Incompressible Having no motion of one fluid layer relative to the other ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a None of these Globe valve Butterfly valve Needle valve None of these Globe valve Butterfly valve Needle valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Is effective over wide range of viscosities Does not produce tangential current Produces only radial current Produces only tangential current Is effective over wide range of viscosities Does not produce tangential current Produces only radial current Produces only tangential current ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) 1 0.01 10 0.1 1 0.01 10 0.1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? 45° bend U-bend 90° bend 30° bend 45° bend U-bend 90° bend 30° bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = constant ∂/∂t = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂s = constant ∂/∂t = constant ∂/∂s = 0 ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS