Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Zero Maximum Could be any value Minimum Zero Maximum Could be any value Minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre Coincides with its centre of gravity Lies below its centre of gravity Lies above its centre of gravity Lies between the centre of buoyancy and centre of gravity Coincides with its centre of gravity Lies below its centre of gravity Lies above its centre of gravity Lies between the centre of buoyancy and centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is above the center of gravity at the center of gravity could be above or below e.g. depending on density of body and liquid below be center of gravity above the center of gravity at the center of gravity could be above or below e.g. depending on density of body and liquid below be center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water is __________ than that of mercury. Higher Same as None of these Lower Higher Same as None of these Lower 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 pipe bursts under high pressure of fluid The flow of fluid through the pipe is gradually brought to rest by closing of the valve The flow of fluid through the pipe is suddenly brought to rest by closing of the valve There is excessive leakage in the pipe 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 The flow of fluid through the pipe is suddenly brought to rest by closing of the valve ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called Pascal’s law Archimedes’s principle Continuity equation Bernoulli’s equation Pascal’s law Archimedes’s principle Continuity equation Bernoulli’s equation ANSWER DOWNLOAD EXAMIANS APP