Hydraulics and Fluid Mechanics in ME For centrifugal pump impeller, the maximum value of the vane exit angle is 10° to 15° 25° to 30° 15° to 20° 20° to 25° 10° to 15° 25° to 30° 15° to 20° 20° to 25° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant pressure, the speed capacity and power vary Inversely as density Inversely as square root of density As square of density Directly as the air or gas density Inversely as density Inversely as square root of density As square of density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. Arithmetic mean Difference Sum Geometric mean Arithmetic mean Difference Sum Geometric mean ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at all sections have the same velocities The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at all sections have the same velocities The liquid particles at different sections have different velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity Two-third One-third One-half Three-fourth Two-third One-third One-half Three-fourth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid Falls on the front end Becomes curved Remains horizontal Falls on the back end Falls on the front end Becomes curved Remains horizontal Falls on the back end ANSWER DOWNLOAD EXAMIANS APP