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 Francis turbine is best suited for Medium head application from 24 to 180 m All types of heads High head installation above 180 m Low head installation up to 30 m Medium head application from 24 to 180 m All types of heads High head installation above 180 m Low head installation up to 30 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Eight times Four times Double Sixteen times Eight times Four times Double Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of 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 None of these 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) H × √(2g) √(2gh) 2gH 2g × √H H × √(2g) √(2gh) 2gH 2g × √H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Square Trapezoidal Rectangular Triangular Square Trapezoidal Rectangular Triangular ANSWER DOWNLOAD EXAMIANS APP
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