Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 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 Directly proportional to density of fluid Inversely proportional to density of fluid Directly proportional to (density)1/2 of fluid Inversely proportional to (density)1/2 of fluid Directly proportional to density of fluid Inversely proportional to density of fluid Directly proportional to (density)1/2 of fluid 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 below IG / Ax̅ above Ax̅ / IG above IG / Ax̅ below Ax̅ / IG below IG / Ax̅ above Ax̅ / IG above IG / Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr - v) 2V/(vr + v) 2V/(vr - v) V/(vr + v) V/(vr - v) 2V/(vr + v) 2V/(vr - v) V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Reduce acceleration to minimum Save pump from cavitations Smoothen flow Increase pump efficiency Reduce acceleration to minimum Save pump from cavitations Smoothen flow Increase pump efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. None of these Decreases Remain unaffected Increases None of these Decreases Remain unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
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