Hydraulics and Fluid Mechanics in ME If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then there will be vacuum in the liquid None of these the pressure in the liquid mass is greater than hydrostatic pressure the pressure throughout the liquid mass is atmospheric there will be vacuum in the liquid None of these the pressure in the liquid mass is greater than hydrostatic pressure the pressure throughout the liquid mass is atmospheric 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) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the boilers? Reciprocating pump Airlift pump Centrifugal pump Jet pump Reciprocating pump Airlift pump Centrifugal pump Jet pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For centrifugal pump impeller, the maximum value of the vane exit angle is 15° to 20° 25° to 30° 10° to 15° 20° to 25° 15° to 20° 25° to 30° 10° to 15° 20° to 25° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity is independent of pressure and viscosity increases with pressure is large when fluid is more compressible has the dimensions of 1/pressure is independent of pressure and viscosity increases with pressure is large when fluid is more compressible has the dimensions of 1/pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is To regulate flow of water to turbines by providing necessary retarding head of water To control the pressure variations due to rapid changes in the pipe line flow All of these To eliminate water hammer possibilities To regulate flow of water to turbines by providing necessary retarding head of water To control the pressure variations due to rapid changes in the pipe line flow All of these To eliminate water hammer possibilities ANSWER DOWNLOAD EXAMIANS APP
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