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 Higher than the surface of liquid Lower than the surface of liquid Unpredictable The same as the surface of liquid Higher than the surface of liquid Lower than the surface of liquid Unpredictable The same as the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Low specific speed of a pump implies it is Mixed flow pump Axial flow pump None of these Centrifugal pump Mixed flow pump Axial flow pump None of these Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Casting of a centrifugal pump is designed so as to minimize Cavitations Loss of kinetic energy Static head Friction loss Cavitations Loss of kinetic energy Static head Friction loss ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Increase discharge Avoid interruption in the flow Increase velocity Maintain pressure difference Increase discharge Avoid interruption in the flow Increase velocity Maintain pressure difference ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. Does not change None of these Decreases Increases Does not change None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm ANSWER DOWNLOAD EXAMIANS APP