Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The jet ratio is defined as the ratio of the Diameter of Pelton wheel to the diameter of jet Velocity of jet to the velocity of Pelton wheel Diameter of jet to the diameter of Pelton wheel Velocity of Pelton wheel to the velocity of jet Diameter of Pelton wheel to the diameter of jet Velocity of jet to the velocity of Pelton wheel Diameter of jet to the diameter of Pelton wheel Velocity of Pelton wheel to the velocity of jet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Velocity of approach Lower critical velocity None of these Higher critical velocity Velocity of approach Lower critical velocity None of these Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine ___ with the increase in unit speed. Decreases Remain same Increases None of the listed here Decreases Remain same Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.81 times 0.95 times 0.67 times 0.34 times 0.81 times 0.95 times 0.67 times 0.34 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Rectangular Trapezoidal Triangular Square Rectangular Trapezoidal Triangular Square ANSWER DOWNLOAD EXAMIANS APP