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 R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Pressure intensifier increases the pressure in proportion to Square of ratio of diameters Square of inverse ratio of diameters Ratio of diameters Inverse ratio of diameters Square of ratio of diameters Square of inverse ratio of diameters Ratio of diameters Inverse ratio of diameters ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by dQ/Q = 5/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 3/2 × (dH/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is 2ρ ω2 r2 ρ ω2 r2 ρ ω2 r2/4 ρ ω2 r2/2 2ρ ω2 r2 ρ ω2 r2 ρ ω2 r2/4 ρ ω2 r2/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Velocity head Pressure head Pressure head - velocity head Pressure head + velocity head Velocity head Pressure head Pressure head - velocity head Pressure head + velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then None of these there will be vacuum in the liquid the pressure throughout the liquid mass is atmospheric the pressure in the liquid mass is greater than hydrostatic pressure None of these there will be vacuum in the liquid the pressure throughout the liquid mass is atmospheric the pressure in the liquid mass is greater than hydrostatic pressure ANSWER DOWNLOAD EXAMIANS APP
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