Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium when its metacentric height is zero when the metacentre is above the centre of gravity when the metacentre is below the centre of gravity only when its centre of gravity is below its centre of buoyancy when its metacentric height is zero when the metacentre is above the centre of gravity when the metacentre is below the centre of gravity only when its centre of gravity is below its centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Braking jet in an impulse turbine is used To change the direction of runner To bring the runner to rest in a short time To break the jet of water None of these To change the direction of runner To bring the runner to rest in a short time To break the jet of water None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. Decreases None of these Does not change Increases Decreases None of these Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube varies linearly from zero at walls to maximum at centre None of these is constant over the cross-section varies parabolically with maximum at the centre varies linearly from zero at walls to maximum at centre None of these is constant over the cross-section varies parabolically with maximum at the centre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be from reservoir B to reservoirs C and A from reservoir A to reservoirs B and C from reservoir C to reservoirs A and B unpredictable from reservoir B to reservoirs C and A from reservoir A to reservoirs B and C from reservoir C to reservoirs A and B unpredictable ANSWER DOWNLOAD EXAMIANS APP
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