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 4 43924 2 1 4 43924 2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid) 8μvl/wd² 16μvl/wd² 4μvl/wd² 32μvl/wd² 8μvl/wd² 16μvl/wd² 4μvl/wd² 32μvl/wd² 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/4 L/2 L L/3 L/4 L/2 L L/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid whose viscosity does not change with the rate of deformation or shear strain is known as Real fluid Ideal fluid Newtonian fluid Non-Newtonian fluid Real fluid Ideal fluid Newtonian fluid Non-Newtonian fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Buoyant force is The force necessary to maintain equilibrium of a submerged body Equal to the volume of liquid displaced The resultant force acting on a floating body The resultant force on a body due to the fluid surrounding it The force necessary to maintain equilibrium of a submerged body Equal to the volume of liquid displaced The resultant force acting on a floating body The resultant force on a body due to the fluid surrounding it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter All of these It gives maximum discharge for a given cross-sectional area and bed slope It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter All of these It gives maximum discharge for a given cross-sectional area and bed slope ANSWER DOWNLOAD EXAMIANS APP
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