Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. None of these Remain same Increases Decreases None of these Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Lower speed of operation Lower discharge High initial and maintenance cost Necessity of air vessel Lower speed of operation Lower discharge High initial and maintenance cost Necessity of air vessel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. None of these Lower than Higher than Same as None of these Lower than Higher than Same as ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Medium specific speed of a pump implies it is Centrifugal pump Mixed flow pump Axial flow pump Any one of the above Centrifugal pump Mixed flow pump Axial flow pump Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQ (Hs - Hd) wQHd wQHs wQ (Hs + Hd) wQ (Hs - Hd) wQHd wQHs wQ (Hs + Hd) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centrifugal pump is started with its delivery valve Kept 50% open Irrespective of any position Kept fully closed Kept fully open Kept 50% open Irrespective of any position Kept fully closed Kept fully open ANSWER DOWNLOAD EXAMIANS APP