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). F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Gravitational stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Inertial stress to drag stress Gravitational stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Inertial stress to drag stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a __________ fluid. Perfect Newtonion Bingham None of these Perfect Newtonion Bingham None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For the transfer of solution of thick slurry, the pump used is a __________ pump. Centrifugal Reciprocating Diaphragm Gear Centrifugal Reciprocating Diaphragm Gear ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? U-bend 45° bend 30° bend 90° bend U-bend 45° bend 30° bend 90° bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is HB/2(H + B) 2HB/(H + B) 4HB/(H + B) HB/(H + B) HB/2(H + B) 2HB/(H + B) 4HB/(H + B) HB/(H + B) ANSWER DOWNLOAD EXAMIANS APP
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