Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It is at rest It has zero viscosity It is incompressible It has uniform viscosity It is at rest It has zero viscosity It is incompressible It has uniform viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 2000 More than 4000 Less than 4000 Between 2000 and 4000 Less than 2000 More than 4000 Less than 4000 Between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is 0.46 0.87 0.64 0.78 0.46 0.87 0.64 0.78 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For 450 m head of water, _________ shall be used. Pelton wheel None of these Kaplan turbine Francis turbine Pelton wheel None of these Kaplan turbine Francis turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is 1.84(L - nH)H2 1.84(L - nH)H3 1.84(L - 0.1nH)H3/2 1.84(L - 0.1nH)H5/2 1.84(L - nH)H2 1.84(L - nH)H3 1.84(L - 0.1nH)H3/2 1.84(L - 0.1nH)H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is At the centre of gravity Could be above or below e.g. depending on density of body and liquid Above the centre of gravity Below be centre of gravity At the centre of gravity Could be above or below e.g. depending on density of body and liquid Above the centre of gravity Below be centre of gravity ANSWER DOWNLOAD EXAMIANS APP