Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium 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 when the metacentre is above the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is between 1.5 d and 2d between d and 1.5 d less than d greater than 2d between 1.5 d and 2d between d and 1.5 d less than d greater than 2d 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 as the square of the radial distance Decreases as the square of the radial distance Increases linearly as its radial distance Varies as the square of the radial distance Increases as the square of the radial distance Decreases as the square of the radial distance Increases linearly as its radial distance Varies as the square of the radial distance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surge wave in a rectangular channel is an example ofi) steady flowii) unsteady flowiii) uniform flowiv) non-uniform flowThe correct answer is (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × breadth 1/2 × sloping side 1/2 × depth 1/4 × (depth + breadth) 1/2 × breadth 1/2 × sloping side 1/2 × depth 1/4 × (depth + breadth) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is Inversely proportional to H3/2 Directly proportional to H3/2 Inversely proportional to H5/2 Directly proportional to H5/2 Inversely proportional to H3/2 Directly proportional to H3/2 Inversely proportional to H5/2 Directly proportional to H5/2 ANSWER DOWNLOAD EXAMIANS APP
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