Fluid Mechanics The speed of sound in an ideal gas varies as the Density Temperature Pressure None of these Density Temperature Pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Opened Closed Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Opened Closed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In deriving Bernoulli's equation, fluid is assumed to be Incompressible, frictionless, steady, along a streamline None of these Uniform, steady, incompressible, along a streamline Steady, density being pressure dependent, frictionless Incompressible, frictionless, steady, along a streamline None of these Uniform, steady, incompressible, along a streamline Steady, density being pressure dependent, frictionless ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A stream line is A line connecting the mid points of flow cross-section Always the path of particle Fixed in space in steady flow Drawn normal to the velocity vector at every point A line connecting the mid points of flow cross-section Always the path of particle Fixed in space in steady flow Drawn normal to the velocity vector at every point 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 F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Mach number for hypersonic flow of compressible fluid is 1 > 4 > 1 < 2 1 > 4 > 1 < 2 ANSWER DOWNLOAD EXAMIANS APP
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