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 Buoyancy Bernoulli’s theorem Equilibrium of a floating body Archimedes’ principle Buoyancy Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required to drive a centrifugal pump is directly proportional to _________ of its impeller. Diameter Square of diameter Cube of diameter Fourth power of diameter Diameter Square of diameter Cube of diameter Fourth power of diameter ANSWER DOWNLOAD EXAMIANS APP
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. Which of the following statement is correct? The pressure on the bottom of the wall is maximum The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum The pressure on the wall at the liquid level is minimum The pressure on the bottom of the wall is zero The pressure on the bottom of the wall is maximum The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum The pressure on the wall at the liquid level is minimum The pressure on the bottom of the wall is zero 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) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is 1/√2 43832 1 √2 1/√2 43832 1 √2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is Proportional to diameter and speed of impeller Proportional to diameter of impeller None of these Proportional to speed of impeller Proportional to diameter and speed of impeller Proportional to diameter of impeller None of these Proportional to speed of impeller ANSWER DOWNLOAD EXAMIANS APP
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