Hydraulics and Fluid Mechanics in ME A manometer is used to measure Pressure in Venturimeter Atmospheric pressure Pressure in pipes and channels Difference of pressures between two points in a pipe Pressure in Venturimeter Atmospheric pressure Pressure in pipes and channels Difference of pressures between two points in a pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine ___ with the increase in unit speed. None of the listed here Remain same Decreases Increases None of the listed here Remain same Decreases Increases 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 Have identical forces Have identical velocities Are equal in size and shape Are identical in shape, but differ only in size Have identical forces Have identical velocities Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
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 (V1 - V2) / V1 (V1² - V2²) / V1² V1 / (V1 - V2) V1² / (V1² - V2²) (V1 - V2) / V1 (V1² - V2²) / V1² V1 / (V1 - V2) V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? All of these They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads They have slow speeds All of these They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads They have slow speeds ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηh = ηo × ηm ηo = ηh × ηm ηm = ηm × ηh None of these ηh = ηo × ηm ηo = ηh × ηm ηm = ηm × ηh None of these ANSWER DOWNLOAD EXAMIANS APP
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