Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Critical velocity Sub-sonic velocity Velocity of approach Super-sonic velocity Critical velocity Sub-sonic velocity Velocity of approach Super-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Remain unaffected Unpredictable Decreases Increases Remain unaffected Unpredictable Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice. More than twice Less than twice Less than three times More than three times More than twice Less than twice Less than three times More than three times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Barometer is used to measure Difference of pressure between two points Pressure in pipes, channels etc. Atmospheric pressure Very low pressure Difference of pressure between two points Pressure in pipes, channels etc. Atmospheric pressure Very low 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) × (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) Q = (2/3) Cd × b × √(2g) × (H22 - H12) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to obtain High head and high discharge High head Pumping of viscous fluids High discharge High head and high discharge High head Pumping of viscous fluids High discharge ANSWER DOWNLOAD EXAMIANS APP
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