Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface. H/2 H/3 3H/4 2H/3 H/2 H/3 3H/4 2H/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton's law of viscosity is a relationship between Rate of shear strain and temperature Shear stress and rate of shear strain Pressure, velocity and temperature Shear stress and velocity Rate of shear strain and temperature Shear stress and rate of shear strain Pressure, velocity and temperature Shear stress and velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. Geometric mean Difference Arithmetic mean Sum Geometric mean Difference Arithmetic mean Sum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It is clearly visible It can provide longer column due to low density It has low surface tension It has low vapour pressure It is clearly visible It can provide longer column due to low density It has low surface tension It has low vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe) 0.75v²/2g 0.375v²/2g 0.5v²/2g v²/2g 0.75v²/2g 0.375v²/2g 0.5v²/2g v²/2g ANSWER DOWNLOAD EXAMIANS APP
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