Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 1000 100 10 2000 1000 100 10 2000 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). Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the First power of its dimeter Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid Inverse square of the diameter First power of its dimeter Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid Inverse square of the diameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Choose the set of pressure intensities that are equivalent. 10 psi, 19.7 ft. of water, 5.3 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg 10 psi, 19.7 ft. of water, 23.3 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg 10 psi, 19.7 ft. of water, 5.3 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg 10 psi, 19.7 ft. of water, 23.3 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Dimension of kinematic viscosity is L² . T⁻² MLT⁻¹ L² . T⁻¹ L²T L² . T⁻² MLT⁻¹ L² . T⁻¹ L²T ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than barometric pressure Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP