Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is None of these 25 m to 250 m 0 to 25 m Above 250 m None of these 25 m to 250 m 0 to 25 m Above 250 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as Uniform flow Vortex flow Turbulent flow Steady flow Uniform flow Vortex flow Turbulent flow Steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mercury does not wet glass. This is due to property of liquid known as surface tension cohesion viscosity adhesion surface tension cohesion viscosity adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 1.855 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 5.85 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit speed of the turbine runner is N/H² N/H N/√H N/H3/2 N/H² N/H N/√H N/H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an outward flow reaction turbine The flow of water is partly radial and partly axial The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The water flows parallel to the axis of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The water flows parallel to the axis of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel ANSWER DOWNLOAD EXAMIANS APP