Hydraulics and Fluid Mechanics in ME Specific weight of water in S.I. units is equal to 9.81 xlO6 N/m3 9.81 xlO3 N/m3 10000 N/m3 1000 N/m3 9.81 xlO6 N/m3 9.81 xlO3 N/m3 10000 N/m3 1000 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Reynold's number of a ship is __________ to its velocity and length. Directly proportional Inversely proportional None of these Square root of velocity Directly proportional Inversely proportional None of these Square root of velocity 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 0.375 v₂²/2g v₁²/2g v₂²/2g 0.5 v₁²/2g 0.375 v₂²/2g v₁²/2g v₂²/2g 0.5 v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) H × √(2g) 2gH 2g × √H √(2gh) H × √(2g) 2gH 2g × √H √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of An ellipse A triangle None of these A paraboloid An ellipse A triangle None of these A paraboloid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Resultant pressure of the liquid in the case of an immersed body acts through Centre of buoyancy Centre of gravity Metacentre Centre of pressure Centre of buoyancy Centre of gravity Metacentre Centre of pressure ANSWER DOWNLOAD EXAMIANS APP