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 + cos φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To transport water downstream without eddies To increase flow rate For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To transport water downstream without eddies To increase flow rate For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 x (225)3/2 minutes 4 x V225 minutes 4 minutes 4 (225)1/3 minutes 4 x (225)3/2 minutes 4 x V225 minutes 4 minutes 4 (225)1/3 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency of a reaction turbine is the ratio of None of these Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to the energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine None of these Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to the energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury? The metal piece will be immersed in mercury by half Whole of the metal piece will be immersed with its top surface just at mercury level Metal piece will sink to the bottom The metal piece will simply float over the mercury The metal piece will be immersed in mercury by half Whole of the metal piece will be immersed with its top surface just at mercury level Metal piece will sink to the bottom The metal piece will simply float over the mercury ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth meter is used to measure Velocity of flow in an open channel Depth of flow in an open channel Hydraulic jump Depth of channel Velocity of flow in an open channel Depth of flow in an open channel Hydraulic jump Depth of channel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS