Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is HB/2(H + B) 4HB/(H + B) 2HB/(H + B) HB/(H + B) HB/2(H + B) 4HB/(H + B) 2HB/(H + B) HB/(H + B) 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). Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation dq/dx = K/q dq/dx = Kq² dq/dx = K dq/dx = K.q dq/dx = K/q dq/dx = Kq² dq/dx = K dq/dx = K.q ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6 Colebrook formula None of these Von-Karman equation Fanning equation Colebrook formula None of these Von-Karman equation Fanning equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a None of these Butterfly valve Needle valve Globe valve None of these Butterfly valve Needle valve Globe valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Inertial stress to drag stress Drag stress to inertial stress Inertial stress to gravitational stress Gravitational stress to drag stress Inertial stress to drag stress Drag stress to inertial stress Inertial stress to gravitational stress Gravitational stress to drag stress ANSWER DOWNLOAD EXAMIANS APP
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