Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium when the metacentre is above 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 below the centre of gravity when the metacentre is above 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 below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure Increases linearly as its radial distance Varies as the square of the radial distance Decreases as the square of the radial distance Increases as the square of the radial distance Increases linearly as its radial distance Varies as the square of the radial distance Decreases as the square of the radial distance Increases as the square of the radial distance ANSWER DOWNLOAD EXAMIANS APP
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 (bd²/12) + x̅ b²/12 + x̅ d²/12 + x̅ (d²/12 x̅) + x̅ (bd²/12) + x̅ b²/12 + x̅ d²/12 + x̅ (d²/12 x̅) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 1 0.8 1.6 1.2 1 0.8 1.6 1.2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an isothermal atmosphere, the pressure remains constant increases exponentially with elevation varies in the same way as the density decreases linearly with elevation remains constant increases exponentially with elevation varies in the same way as the density decreases linearly with elevation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by dQ/Q = (3/2) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (3/2) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (dH/H) dQ/Q = (3/4) × (dH/H) ANSWER DOWNLOAD EXAMIANS APP