Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is > Δp Δp < Δp Δp² > Δp Δp < Δp Δp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively). None of these B & G coincide B is above G G is above B None of these B & G coincide B is above G G is above B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics N²Re/NFr is called the __________ number. Euler Galileo Brinkman Archimedes Euler Galileo Brinkman Archimedes ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor). V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The bulk modulus of elasticity of a liquid Increases with pressure Is zero for incompressible liquid Decreases with pressure Is independent of temperature & pressure Increases with pressure Is zero for incompressible liquid Decreases with pressure Is independent of temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) x x/2 2x πx x x/2 2x πx ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS