Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 - sin φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 + cos φ)/2 (1 - sin φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 + cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is Could be above or below e.g. depending on density of body and liquid At the centre of gravity Below be centre of gravity Above the centre of gravity Could be above or below e.g. depending on density of body and liquid At the centre of gravity Below be centre of gravity Above the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Rectangular Square Trapezoidal Circular Rectangular Square Trapezoidal Circular 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 Are identical in shape, but differ only in size Are equal in size and shape Have identical velocities Have identical forces Are identical in shape, but differ only in size Are equal in size and shape Have identical velocities Have identical forces ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an outward flow reaction turbine The water enters the wheel at the outer periphery and then flows towards the centre 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 flows parallel to the axis of the wheel The water enters the wheel at the outer periphery and then flows towards the centre 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 flows parallel to the axis of the wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which place in hydraulic turbine is most susceptible for cavitations? Penstock Inlet of draft rube Guide blade Blade inlet Penstock Inlet of draft rube Guide blade Blade inlet ANSWER DOWNLOAD EXAMIANS APP
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