Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 2 2.828 5.657 4 2 2.828 5.657 4 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 F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d2/3 d4/5 d1/3 √d d2/3 d4/5 d1/3 √d ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is 2 < 1 1 > 1 2 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The distance between metacentre and __________ is called metacentric height. Water surface Centre of buoyancy Centre of gravity None of these Water surface Centre of buoyancy Centre of gravity None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of >2 2 43832 >2 2 43832 ANSWER DOWNLOAD EXAMIANS APP