Hydraulics and Fluid Mechanics in ME Falling drops of water become spheres due to the property of adhesion viscosity surface tension cohesion adhesion viscosity surface tension cohesion 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 The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H). P/ H3/2 P/ H P/ √H P/ H² P/ H3/2 P/ H P/ √H P/ H² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Three-fourth One-fourth Double One-half Three-fourth One-fourth Double One-half ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Equilibrium of a floating body Archimedes’ principle Bernoulli’s theorem Buoyancy Equilibrium of a floating body Archimedes’ principle Bernoulli’s theorem Buoyancy ANSWER DOWNLOAD EXAMIANS APP