Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Develops unit power under unit speed Delivers unit discharge under unit head Delivers unit discharge under unit speed Develops unit power under unit head Develops unit power under unit speed Delivers unit discharge under unit head Delivers unit discharge under unit speed Develops unit power under unit head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be 3.5 metres of water column 4 m of water column 2 metres of water column 3 metres of water column 3.5 metres of water column 4 m of water column 2 metres of water column 3 metres of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if It involves lesser excavation for the designed amount of discharge All of these It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope It involves lesser excavation for the designed amount of discharge All of these It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race. Product None of these Difference Sum Product None of these Difference Sum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Bulk modulus of a fluid is the ratio of Increase in volume to the viscosity of fluid Shear stress to shear strain Increase in pressure to the volumetric strain Critical velocity to the viscosity of fluid Increase in volume to the viscosity of fluid Shear stress to shear strain Increase in pressure to the volumetric strain Critical velocity to the viscosity of fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate For safety of turbine To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate For safety of turbine ANSWER DOWNLOAD EXAMIANS APP
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