Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. IG / Ax̅ below Ax̅ / IG above IG / Ax̅ above Ax̅ / IG below IG / Ax̅ below Ax̅ / IG above IG / Ax̅ above Ax̅ / IG below 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 wall at the liquid level is minimum The pressure on the bottom of the wall is zero The pressure on the bottom of the wall is maximum The pressure on the wall at the liquid level is zero, and 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 bottom of the wall is maximum 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 The flow in a pipe is neither laminar nor turbulent when Reynold number is More than 2800 None of these Between 2000 and 2800 Less than 2000 More than 2800 None of these Between 2000 and 2800 Less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on an immersed surface inclined at an angle θ with the liquid surface is wAx/sinθ wx wA wAx wAx/sinθ wx wA wAx ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 32/ Re 64/ Re None of these 16/Re 32/ Re 64/ Re None of these 16/Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of None of these Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Actual work available at the turbine to energy imparted to the wheel None of these Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Actual work available at the turbine to energy imparted to the wheel ANSWER DOWNLOAD EXAMIANS APP