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 Velocity distribution for flow between two fixed parallel plates Varies parabolically across the section Is constant over the entire cross-section None of these Is zero at the plates and increases linearly to the midplane Varies parabolically across the section Is constant over the entire cross-section None of these Is zero at the plates and increases linearly to the midplane ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Hyperbola Semi-circle Semi-ellipse Parabola Hyperbola Semi-circle Semi-ellipse Parabola 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.) √d d2/3 d4/5 d1/3 √d d2/3 d4/5 d1/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 2.828 5.657 4 2 2.828 5.657 4 2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) Vs/Dp² Vs²/Dp³ Vs²/Dp² Vs/Dp³ Vs/Dp² Vs²/Dp³ Vs²/Dp² Vs/Dp³ ANSWER DOWNLOAD EXAMIANS APP
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