Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. More than None of these Equal to Less than More than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of discharge for an external mouthpiece is 0.707 0.5 0.375 0.855 0.707 0.5 0.375 0.855 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floats in stable equilibrium When its e.g. is below its center of buoyancy When the metacentre is above e.g. When its meatcentric height is zero Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy When the metacentre is above e.g. When its meatcentric height is zero Metacentre has nothing to do with position of e.g. for determining stability ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₂²/2g v₁²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g v₁²/2g 0.375 v₂²/2g 0.5 v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is 7.5 kN/m3 10 kN/m3 4.5 kN/m3 6 kN/m3 7.5 kN/m3 10 kN/m3 4.5 kN/m3 6 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power developed by a turbine is (where H = Head of water under which the turbine is working) Inversely proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H1/2 Directly proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
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