Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary 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 Inversely as density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency. Hydraulic Overall Mechanical None of these Hydraulic Overall Mechanical None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of trapezoidal section is maximum when Width of channel at the top is equal to twice the width at the bottom The sloping side is equal to the width at the bottom The sloping side is equal to half the width at the top Depth of channel is equal to the width at the bottom Width of channel at the top is equal to twice the width at the bottom The sloping side is equal to the width at the bottom The sloping side is equal to half the width at the top Depth of channel is equal to the width at the bottom ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as center of pressure metacentre center of buoyancy center of gravity center of pressure metacentre center of buoyancy center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2g × √H 2gH H × √(2g) √(2gh) 2g × √H 2gH H × √(2g) √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between Lift and resultant force Lift and drag Lift and tangential force Drag and resultant force Lift and resultant force Lift and drag Lift and tangential force Drag and resultant force ANSWER DOWNLOAD EXAMIANS APP