Hydraulics and Fluid Mechanics in ME If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is 1 43924 4 2 1 43924 4 2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler's equation in the differential form for the motion of liquids is given by dp/ρ + g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 dp/ρ - g.dz + v.dv = 0 ρ.dp + g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 dp/ρ - g.dz + v.dv = 0 ρ.dp + g.dz + v.dv = 0 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/2 L/4 L L/3 L/2 L/4 L L/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The eddy viscosity for turbulent flow is independent of the flow a function of temperature only a physical property of the fluid. dependent on the flow independent of the flow a function of temperature only a physical property of the fluid. dependent on the flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is More than 4000 Less than 4000 Less than 2000 Between 2000 and 4000 More than 4000 Less than 4000 Less than 2000 Between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Remain same None of these Increases Decreases Remain same None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP