Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Lower BWG means __________ of the tube. Lower cross-section Outer diameter Lower thickness Inner diameter Lower cross-section Outer diameter Lower thickness Inner diameter 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 = Kq² dq/dx = K/q dq/dx = K dq/dx = K.q dq/dx = Kq² dq/dx = K/q dq/dx = K dq/dx = K.q 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) 2x x/2 x πx 2x x/2 x πx ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Remain same Increase Unpredictable Decrease Remain same Increase Unpredictable Decrease 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). F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ ANSWER DOWNLOAD EXAMIANS APP