Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV / 2g waV² / g waV² / 2g waV / g waV / 2g waV² / g waV² / 2g waV / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called None of these Archimedes’s principle Pascal’s law D-Alembert’s principle None of these Archimedes’s principle Pascal’s law D-Alembert’s principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.855 aH.√(2g) 1.585 a.√(2gH) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.855 aH.√(2g) 1.585 a.√(2gH) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Zero Minimum Maximum Could be any value Zero Minimum Maximum Could be any value ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Axial flow Mixed flow Centrifugal Reciprocating Axial flow Mixed flow Centrifugal Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the turbines? Centrifugal pump Air lift pump Jet pump Reciprocating pump Centrifugal pump Air lift pump Jet pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP