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 below IG / Ax̅ below Ax̅ / IG above IG / Ax̅ above Ax̅ / IG below IG / Ax̅ below Ax̅ / IG above IG / Ax̅ above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Cavitation will be formed No flow will take place Efficiency will be low Excessive power will be consumed Cavitation will be formed No flow will take place Efficiency will be low Excessive power will be consumed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Falling drops of water become spheres due to the property of adhesion cohesion surface tension viscosity adhesion cohesion surface tension viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. None of these Remain same Increases Decreases None of these Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Stream lines and path lines always coincide in case of turbulent flow laminar flow uniform flow steady flow turbulent flow laminar flow uniform flow steady flow 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 Less than 2000 More than 2800 None of these Between 2000 and 2800 Less than 2000 More than 2800 None of these ANSWER DOWNLOAD EXAMIANS APP