Hydraulics and Fluid Mechanics in ME The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is μ π³ N² R⁴ /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R² /3600 t μ π³ N² R² /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R² /3600 t μ π³ N² R² /1800 t 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 forces Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape Have identical forces Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The weight per unit volume of a liquid at a standard temperature and pressure is called None of these Specific weight Specific gravity Mass density None of these Specific weight Specific gravity Mass density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Piezometer tube is used only for measuring Moderate pressure Vacuum pressure Low pressure High pressure Moderate pressure Vacuum pressure Low pressure High pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Super-sonic velocity Sub-sonic velocity Higher critical velocity Lower critical velocity Super-sonic velocity Sub-sonic velocity Higher critical velocity Lower critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium when the metacentre is above the centre of gravity when its metacentric height is zero only when its centre of gravity is below its centre of buoyancy when the metacentre is below the centre of gravity when the metacentre is above the centre of gravity when its metacentric height is zero only when its centre of gravity is below its centre of buoyancy when the metacentre is below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP