Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Reciprocating Centrifugal Axial flow Mixed flow Reciprocating Centrifugal Axial flow Mixed flow 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) wQHs wQ (Hs + Hd) wQ (Hs - Hd) wQHd wQHs wQ (Hs + Hd) wQ (Hs - Hd) wQHd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floats in stable equilibrium When its meatcentric height is zero When the metacentre is above e.g. Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy When its meatcentric height is zero When the metacentre is above e.g. Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be 2A × √H₂/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Casting of a centrifugal pump is designed so as to minimize Static head Loss of kinetic energy Cavitations Friction loss Static head Loss of kinetic energy Cavitations Friction loss ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Pressure intensifier increases the pressure in proportion to Square of inverse ratio of diameters Square of ratio of diameters Inverse ratio of diameters Ratio of diameters Square of inverse ratio of diameters Square of ratio of diameters Inverse ratio of diameters Ratio of diameters ANSWER DOWNLOAD EXAMIANS APP
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