Fluid Mechanics For water, when the pressure increases, the viscosity First decreases, and then increases Decreases Remains constant Also increases First decreases, and then increases Decreases Remains constant Also increases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity distribution for flow between two fixed parallel plates Is zero at the plates and increases linearly to the midplane Varies parabolically across the section None of these Is constant over the entire cross-section Is zero at the plates and increases linearly to the midplane Varies parabolically across the section None of these Is constant over the entire cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone. 10 40 1 70 10 40 1 70 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 Cavitation in a centrifugal pump results from Low barometric pressure High discharge rate High discharge pressure High discharge velocity Low barometric pressure High discharge rate High discharge pressure High discharge velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet. R and S P, Rand S P, Q and R P and R R and S P, Rand S P, Q and R P and R ANSWER DOWNLOAD EXAMIANS APP