Fluid Mechanics A stream line is A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point Always the path of particle ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop fo __________ fluid. Dilatant Bingham plastic Pseudoplastic Newtonion Dilatant Bingham plastic Pseudoplastic Newtonion ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field) Increases linearly Decreases Increases exponentially Remains constant Increases linearly Decreases Increases exponentially Remains constant 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 V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Euler's equation of motion is a statement expressing Conservation of mass Newton's first law of motion Conservation of energy Newton's second law of motion Conservation of mass Newton's first law of motion Conservation of energy Newton's second law of motion ANSWER DOWNLOAD EXAMIANS APP
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