Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.223 D 0.707 D 0.423 D 0.577 D 0.223 D 0.707 D 0.423 D 0.577 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of viscosity may be determined by Orifice type viscometer Rotating cylinder method Capillary tube method All of these Orifice type viscometer Rotating cylinder method Capillary tube method All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floats in stable equilibrium When its e.g. is below its center of buoyancy When the metacentre is above e.g. Metacentre has nothing to do with position of e.g. for determining stability When its meatcentric height is zero When its e.g. is below its center of buoyancy When the metacentre is above e.g. Metacentre has nothing to do with position of e.g. for determining stability When its meatcentric height is zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 0.15 to 0.3 0.6 to 0.9 0.4 to 0.5 1 to 1.5 0.15 to 0.3 0.6 to 0.9 0.4 to 0.5 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force of buoyancy is always __________ the weight of the liquid displaced by the body. More than Equal to None of these Less than More than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men Cohesion pressure is increased Cohesion pressure is negligible There is no cohesion pressure Cohesion pressure is decreased Cohesion pressure is increased Cohesion pressure is negligible There is no cohesion pressure Cohesion pressure is decreased ANSWER DOWNLOAD EXAMIANS APP