Hydraulics and Fluid Mechanics in ME The width of the bucket for a Pelton wheel is generally ________ the diameter of jet. Four times Double Five times Three times Four times Double Five times Three times 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 [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. Remain unaffected Decreases Increases None of these Remain unaffected Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following has highest coefficient of discharge ? sharp edged orifice venturimeter CipoUetti weir Borda’s mouthpiece running full sharp edged orifice venturimeter CipoUetti weir Borda’s mouthpiece running full ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is 0.392 0.848 0.488 0.884 0.392 0.848 0.488 0.884 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 30-40° 10-15° 50-60° 20-25° 30-40° 10-15° 50-60° 20-25° ANSWER DOWNLOAD EXAMIANS APP
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