Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock) p/2sinα 2p/sin (α/2) 2p/sinα p/sinα p/2sinα 2p/sin (α/2) 2p/sinα p/sinα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of rectangular section will be maximum, if Its breadth is thrice the depth Its breadth is twice the depth Its depth is twice the breadth Its depth is thrice the breadth Its breadth is thrice the depth Its breadth is twice the depth Its depth is twice the breadth Its depth is thrice the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men Cohesion pressure is negligible Cohesion pressure is decreased There is no cohesion pressure Cohesion pressure is increased Cohesion pressure is negligible Cohesion pressure is decreased There is no cohesion pressure Cohesion pressure is increased ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury? Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will be immersed in mercury by half Metal piece will sink to the bottom The metal piece will simply float over the mercury Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will be immersed in mercury by half Metal piece will sink to the bottom The metal piece will simply float over the mercury ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H1 - Ha] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reaction turbines are used for High head and low discharge Low head and high discharge Low head High head High head and low discharge Low head and high discharge Low head High head ANSWER DOWNLOAD EXAMIANS APP
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