Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square of fan speed Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Triangular Square Trapezoidal Rectangular Triangular Square Trapezoidal Rectangular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Re-entrant or Borda's mouthpiece is an __________ mouthpiece. None of these External Internal Both A and B None of these External Internal Both A and B ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) 0.75v²/2g v²/2g 0.375v²/2g 0.5v²/2g 0.75v²/2g v²/2g 0.375v²/2g 0.5v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The product of mass and acceleration of flowing liquid is called Pressure force Inertia force Gravity force Viscous force Pressure force Inertia force Gravity force Viscous force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of a turbine runner is Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H3/2 Inversely proportional to H1/2 ANSWER DOWNLOAD EXAMIANS APP