Hydraulics and Fluid Mechanics in ME A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is (d²/12 x̅) + x̅ d²/12 + x̅ b²/12 + x̅ (bd²/12) + x̅ (d²/12 x̅) + x̅ d²/12 + x̅ b²/12 + x̅ (bd²/12) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One poise is equal to 10 N-s/m2 1 N-s/m2 0.1 N-s/m2 100 N-s/m2 10 N-s/m2 1 N-s/m2 0.1 N-s/m2 100 N-s/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Remain same Decreases None of these Increases Remain same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Metacentric height for small values of angle of heel is the distance between the centre of gravity and metacentre centre of buoyancy and metacentre centre of gravity and centre of buoy-ancy free surface and centre of buoyancy centre of gravity and metacentre centre of buoyancy and metacentre centre of gravity and centre of buoy-ancy free surface and centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is 0.375 v₂²/2g v₂²/2g 0.5 v₁²/2g v₁²/2g 0.375 v₂²/2g v₂²/2g 0.5 v₁²/2g v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS