Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 0.6 to 0.9 0.4 to 0.5 1 to 1.5 0.15 to 0.3 0.6 to 0.9 0.4 to 0.5 1 to 1.5 0.15 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Square Trapezoidal Triangular Rectangular Square Trapezoidal Triangular Rectangular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) 0.375v²/2g 0.5v²/2g v²/2g 0.75v²/2g 0.375v²/2g 0.5v²/2g v²/2g 0.75v²/2g 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 R7/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R5/2/15Cd × 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 Newton's law of resistance is based on the assumption that the All of these Space around the body is completely filled with the fluid Fluid particles do not exert any influence on one another Planes of the body are completely smooth All of these Space around the body is completely filled with the fluid Fluid particles do not exert any influence on one another Planes of the body are completely smooth ANSWER DOWNLOAD EXAMIANS APP
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