Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Unity None of these Between 1 and 6 Less than unity Unity None of these Between 1 and 6 Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts All of these Causes sudden drop in power output and efficiency Reduces the discharge of a turbine Causes noise and vibration of various parts All of these Causes sudden drop in power output and efficiency Reduces the discharge of a turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of buoyancy is the e.g. of floating body centroid of the displaced volume of fluid does not exist center of pressure of displaced volume e.g. of floating body centroid of the displaced volume of fluid does not exist center of pressure of displaced volume ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is 7 5 1 6 7 5 1 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reaction turbines are used for High head Low head Low head and high discharge High head and low discharge High head Low head Low head and high discharge High head and low discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two dimensional flows occurs when The velocity of successive fluid particles, at any point, is the same at successive periods of time The magnitude and direction of the velocity do not change from point to point in the fluid The direction and magnitude of the velocity at all points are identical The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane The velocity of successive fluid particles, at any point, is the same at successive periods of time The magnitude and direction of the velocity do not change from point to point in the fluid The direction and magnitude of the velocity at all points are identical The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane ANSWER DOWNLOAD EXAMIANS APP