Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary Inversely as density As square of density Directly as the air or gas density Inversely as square root of density Inversely as density As square of density Directly as the air or gas density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called Absolute pressure Gauge pressure Vacuum pressure Positive gauge pressure Absolute pressure Gauge pressure Vacuum pressure Positive gauge pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a liquid is flowing through a pipe, the velocity of the liquid is Zero at the centre and maximum near the walls Minimum at the centre and maximum near the walls Maximum at the centre and minimum near the walls Maximum at the centre and zero near the walls Zero at the centre and maximum near the walls Minimum at the centre and maximum near the walls Maximum at the centre and minimum near the walls Maximum at the centre and zero near the walls ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by dQ/Q = (1/2) × (dH/H) dQ/Q = (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (3/2) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (3/2) × (dH/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet. Equal to Double 1.8 times 1.2 times Equal to Double 1.8 times 1.2 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency of a reaction turbine is the ratio of Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to the energy imparted to the wheel None of these Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to the energy imparted to the wheel None of these Work-done on the wheel to the energy (or head of water) actually supplied to the turbine ANSWER DOWNLOAD EXAMIANS APP