Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be non-uniform when The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Maintain pressure difference Avoid interruption in the flow Increase velocity Increase discharge Maintain pressure difference Avoid interruption in the flow Increase velocity Increase discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hammer blow in pipes occurs when There is excessive leakage in the pipe The flow of fluid through the pipe is suddenly brought to rest by closing of the valve The pipe bursts under high pressure of fluid The flow of fluid through the pipe is gradually brought to rest by closing of the valve There is excessive leakage in the pipe The flow of fluid through the pipe is suddenly brought to rest by closing of the valve The pipe bursts under high pressure of fluid The flow of fluid through the pipe is gradually brought to rest by closing of the valve ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.10 cm 0.20 cm 0.40 cm 0.05 cm 0.10 cm 0.20 cm 0.40 cm 0.05 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Have identical velocities Have identical forces Are equal in size and shape Are identical in shape, but differ only in size Have identical velocities Have identical forces Are equal in size and shape Are identical in shape, but differ only in size ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS