Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is V1² / (V1² - V2²) (V1 - V2) / V1 V1 / (V1 - V2) (V1² - V2²) / V1² V1² / (V1² - V2²) (V1 - V2) / V1 V1 / (V1 - V2) (V1² - V2²) / V1² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be The same as the surface of liquid Higher than the surface of liquid Unpredictable Lower than the surface of liquid The same as the surface of liquid Higher than the surface of liquid Unpredictable Lower than the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. Ax̅ / IG above IG / Ax̅ below Ax̅ / IG below IG / Ax̅ above Ax̅ / IG above IG / Ax̅ below Ax̅ / IG below IG / Ax̅ above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The width of the bucket for a Pelton wheel is generally ________ the diameter of jet. Three times Four times Five times Double Three times Four times Five times Double ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called Specific gravity of liquid Compressibility of liquid Density of liquid Surface tension of liquid Specific gravity of liquid Compressibility of liquid Density of liquid Surface tension of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of fluid due to hammer blow is Inversely proportional to (density)1/2 of fluid Inversely proportional to density of fluid Directly proportional to (density)1/2 of fluid Directly proportional to density of fluid Inversely proportional to (density)1/2 of fluid Inversely proportional to density of fluid Directly proportional to (density)1/2 of fluid Directly proportional to density of fluid ANSWER DOWNLOAD EXAMIANS APP