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 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) (w Hm Q) / ηo ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the None of these Velocity of flow at inlet to the theoretical jet velocity Theoretical velocity of jet to the velocity of flow at inlet Velocity of runner at inlet to the velocity of flow at inlet None of these Velocity of flow at inlet to the theoretical jet velocity Theoretical velocity of jet to the velocity of flow at inlet Velocity of runner at inlet to the velocity of flow at inlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Gauge pressure at a point is equal to the absolute pressure ___ the atmospheric pressure. Plus Multiply Divide Minus Plus Multiply Divide Minus ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a body floating in a liquid the normal pressure exerted by the liquid acts at e.g. of the body bottom surface of the body all points on the surface of the body metacentre e.g. of the body bottom surface of the body all points on the surface of the body metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the pipe is maximum when the head lost due to friction is equal to One-fourth of the total supply head One-third of the total supply head One-half of the total supply head Two-third of the total supply head One-fourth of the total supply head One-third of the total supply head One-half of the total supply head Two-third of the total supply head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a right angled notch is (where H = Height of liquid above the apex of notch) (8/15) Cd. 2g. H5/2 (8/15) Cd. 2g. H² (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H (8/15) Cd. 2g. H5/2 (8/15) Cd. 2g. H² (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H ANSWER DOWNLOAD EXAMIANS APP
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