Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube is constant over the cross-section None of these varies parabolically with maximum at the centre varies linearly from zero at walls to maximum at centre is constant over the cross-section None of these varies parabolically with maximum at the centre varies linearly from zero at walls to maximum at centre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 0.15 to 0.3 0.6 to 0.9 0.4 to 0.5 1 to 1.5 0.15 to 0.3 0.6 to 0.9 0.4 to 0.5 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine ___ with the increase in unit speed. Decreases Increases Remain same None of the listed here Decreases Increases Remain same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. None of these Below At Above None of these Below At Above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be Horizontal Nearly horizontal First rise and then fall Steep Horizontal Nearly horizontal First rise and then fall Steep ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME To avoid an interruption in the flow of a siphon, an air vessel is provided At the inlet At the outlet At any point between inlet and outlet At the summit At the inlet At the outlet At any point between inlet and outlet At the summit ANSWER DOWNLOAD EXAMIANS APP