Hydraulics and Fluid Mechanics in ME The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² [(Vr - v) v]/ Vr [2(Vr + v) v]/ Vr² [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² [(Vr - v) v]/ Vr [2(Vr + v) v]/ Vr² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME During the opening of a valve in a pipe line, the flow is Laminar Unsteady Steady Uniform Laminar Unsteady Steady Uniform ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 10-15° 30-40° 50-60° 20-25° 10-15° 30-40° 50-60° 20-25° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is None of these ηo = ηh × ηm ηh = ηo × ηm ηm = ηm × ηh None of these ηo = ηh × ηm ηh = ηo × ηm ηm = ηm × ηh ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between Lift and tangential force Lift and drag Drag and resultant force Lift and resultant force Lift and tangential force Lift and drag Drag and resultant force Lift and resultant force ANSWER DOWNLOAD EXAMIANS APP
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