Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Velocity head Pressure head + velocity head Pressure head - velocity head Pressure head Velocity head Pressure head + velocity head Pressure head - velocity head Pressure head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Have identical forces Have identical velocities Are equal in size and shape Are identical in shape, but differ only in size Have identical forces Have identical velocities Are equal in size and shape Are identical in shape, but differ only in size ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Piezometer is used to measure Difference of pressure between two points Atmospheric pressure Pressure in pipe, channels etc Very low pressures Difference of pressure between two points Atmospheric pressure Pressure in pipe, channels etc Very low pressures ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler's equation in the differential form for the motion of liquids is given by dp/ρ - g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 ρ.dp + g.dz + v.dv = 0 dp/ρ - g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 ρ.dp + g.dz + v.dv = 0 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The product of mass and acceleration of flowing liquid is called Gravity force Inertia force Pressure force Viscous force Gravity force Inertia force Pressure force Viscous force ANSWER DOWNLOAD EXAMIANS APP
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