Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It has zero viscosity It has uniform viscosity It is at rest It is incompressible It has zero viscosity It has uniform viscosity It is at rest It is incompressible 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 0.78 0.64 0.87 0.46 0.78 0.64 0.87 0.46 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Metacentric height is the distance between the metacentre and water surface center of buoyancy center of pressure center of gravity water surface center of buoyancy center of pressure center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mechanical efficiency of a centrifugal pump is the ratio of Energy supplied to the pump to the energy available at the impeller Actual work-done by the pump to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy available at the impeller to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller Actual work-done by the pump to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy available at the impeller to the energy supplied to the pump by the prime mover ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV / 2g waV² / 2g waV / g waV² / g waV / 2g waV² / 2g waV / g waV² / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to elastic force is known as Reynold’s number Weber’s number Mach number Froude number Reynold’s number Weber’s number Mach number Froude number ANSWER DOWNLOAD EXAMIANS APP