Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes sudden drop in power output and efficiency Causes noise and vibration of various parts All of these Reduces the discharge of a turbine Causes sudden drop in power output and efficiency Causes noise and vibration of various parts All of these Reduces the discharge of a turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 1 to 1.5 0.4 to 0.5 0.15 to 0.3 0.6 to 0.9 1 to 1.5 0.4 to 0.5 0.15 to 0.3 0.6 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of None of these An ellipse A triangle A paraboloid None of these An ellipse A triangle A paraboloid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is Between 2000 and 2800 None of these Less than 2000 More than 2800 Between 2000 and 2800 None of these Less than 2000 More than 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ādā below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.223 D 0.577 D 0.423 D 0.707 D 0.223 D 0.577 D 0.423 D 0.707 D ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS