Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.85 to 0.90 0.75 to 0.85 0.50 to 0.65 0.65 to 0.75 0.85 to 0.90 0.75 to 0.85 0.50 to 0.65 0.65 to 0.75 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 Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a centrifugal pump casing, the flow of water leaving the impeller, is Radial flow Free vortex motion Rectilinear flow Forced vortex Radial flow Free vortex motion Rectilinear flow Forced vortex ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy. Lies below Coincides with None of these Lies above Lies below Coincides with None of these Lies above 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 empty the tank completely will be (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Only normal stresses can exist Fluid pressure is zero Linear deformation is small Resistance to shear stress is small Only normal stresses can exist Fluid pressure is zero Linear deformation is small Resistance to shear stress is small ANSWER DOWNLOAD EXAMIANS APP
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