Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity None of these Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Piezometer tube is used only for measuring Moderate pressure High pressure Low pressure Vacuum pressure Moderate pressure High pressure Low pressure Vacuum pressure 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) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) 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 Choose the correct relationship dynamicviscosity = kinematicviscosity x density specific gravity = gravity x density gravity = specific gravity x density kinematicviscosity = dynamicviscosity x density dynamicviscosity = kinematicviscosity x density specific gravity = gravity x density gravity = specific gravity x density kinematicviscosity = dynamicviscosity x density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Pressure energy - (kinetic energy + potential energy) Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Potential energy - (pressure energy + kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to Sinθ Cos θ 1/Sinθ 1/Cosθ Sinθ Cos θ 1/Sinθ 1/Cosθ ANSWER DOWNLOAD EXAMIANS APP
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