Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1² - V2²) / V1² V1² / (V1² - V2²) (V1 - V2) / V1 V1 / (V1 - V2) (V1² - V2²) / V1² V1² / (V1² - V2²) (V1 - V2) / V1 V1 / (V1 - V2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow? All of these Flow past tiny bodies Underground flow Flow of oil in measuring instruments All of these Flow past tiny bodies Underground flow Flow of oil in measuring instruments ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is Between 1 and 6 Unity Less than unity More than 6 Between 1 and 6 Unity Less than unity More than 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To transport water downstream without eddies For safety of turbine To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To transport water downstream without eddies For safety of turbine To increase flow rate ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is 1.84(L - 0.1nH)H3/2 1.84(L - nH)H2 1.84(L - 0.1nH)H5/2 1.84(L - nH)H3 1.84(L - 0.1nH)H3/2 1.84(L - nH)H2 1.84(L - 0.1nH)H5/2 1.84(L - nH)H3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced. Less than None of these Equal to More than Less than None of these Equal to More than ANSWER DOWNLOAD EXAMIANS APP
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