Hydraulics and Fluid Mechanics in ME Two dimensional flows occurs when The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane The direction and magnitude of the velocity at all points are identical The velocity of successive fluid particles, at any point, is the same at successive periods of time The magnitude and direction of the velocity do not change from point to point in the fluid The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane The direction and magnitude of the velocity at all points are identical The velocity of successive fluid particles, at any point, is the same at successive periods of time The magnitude and direction of the velocity do not change from point to point in the fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant pressure, the speed capacity and power vary Directly as the air or gas density As square of density Inversely as density Inversely as square root of density Directly as the air or gas density As square of density Inversely as density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is 4 43924 1 2 4 43924 1 2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be non-uniform when The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP