Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must fulfill the following Newton’s law of motion Newton’s law of viscosity Continuity equation Pascal’ law Newton’s law of motion Newton’s law of viscosity Continuity equation Pascal’ law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in decrease in viscosity of liquid decrease in viscosity of gas increase in viscosity of gas increase in viscosity of liquid decrease in viscosity of liquid decrease in viscosity of gas increase in viscosity of gas increase in viscosity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge Q/0.75 1.5 Q 0.75 Q Same quantity of liquid Q/0.75 1.5 Q 0.75 Q Same quantity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. Which of the following statement is correct? The pressure on the bottom of the wall is maximum The pressure on the wall at the liquid level is minimum The pressure on the bottom of the wall is zero The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum The pressure on the bottom of the wall is maximum The pressure on the wall at the liquid level is minimum The pressure on the bottom of the wall is zero The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Between 2000 and 4000 More than 4000 Less than 2000 Less than 4000 Between 2000 and 4000 More than 4000 Less than 2000 Less than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a liquid is flowing through a pipe, the velocity of the liquid is Minimum at the centre and maximum near the walls Maximum at the centre and zero near the walls Zero at the centre and maximum near the walls Maximum at the centre and minimum near the walls Minimum at the centre and maximum near the walls Maximum at the centre and zero near the walls Zero at the centre and maximum near the walls Maximum at the centre and minimum near the walls ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS