Hydraulics and Fluid Mechanics in ME The coefficient of discharge for an external mouthpiece depends upon Velocity of liquid Length of mouthpiece Area of mouthpiece Pressure of liquid Velocity of liquid Length of mouthpiece Area of mouthpiece Pressure of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary As square of density Inversely as density Inversely as square root of density Directly as the air or gas density As square of density Inversely as density Inversely as square root of density Directly as the air or gas density 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 / (V1² - V2²) (V1² - V2²) / V1² V1 / (V1 - V2) (V1 - V2) / V1 V1² / (V1² - V2²) (V1² - V2²) / V1² V1 / (V1 - V2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Designing new impeller Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller Designing new impeller Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine with increase in unit speed First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases Remain unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Stanton diagram is a log-log plot of friction factor against Reynolds number semi-log plot of friction factor against Reynolds number log-log plot of relative roughness against Reynolds number semi-log plot of friction factor against relative roughness log-log plot of friction factor against Reynolds number semi-log plot of friction factor against Reynolds number log-log plot of relative roughness against Reynolds number semi-log plot of friction factor against relative roughness ANSWER DOWNLOAD EXAMIANS APP
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