Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Save pump from cavitations Reduce acceleration to minimum Smoothen flow Increase pump efficiency Save pump from cavitations Reduce acceleration to minimum Smoothen flow Increase pump efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of discharge for an external mouthpiece depends upon Length of mouthpiece Velocity of liquid Area of mouthpiece Pressure of liquid Length of mouthpiece Velocity of liquid Area of mouthpiece Pressure of liquid 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) × (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) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is Inversely proportional to (radius)2 Directly proportional to (radius)2 Directly proportional to (radius)4 Inversely proportional to (radius)4 Inversely proportional to (radius)2 Directly proportional to (radius)2 Directly proportional to (radius)4 Inversely proportional to (radius)4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the pressure varies Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bernoulli's equation Z + p/w + v²/2g = constant Z - p/w - v²/2g = constant Z + p/w - v²/2g = constant Z - p/w + v²/2g = constant Z + p/w + v²/2g = constant Z - p/w - v²/2g = constant Z + p/w - v²/2g = constant Z - p/w + v²/2g = constant ANSWER DOWNLOAD EXAMIANS APP
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