Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if It has minimum wetted perimeter All of these It gives maximum discharge for a given cross-sectional area and bed slope It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter All of these It gives maximum discharge for a given cross-sectional area and bed slope It involves lesser excavation for the designed amount of discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water from deep wells? Centrifugal pump Reciprocating pump Air lift pump Jet pump Centrifugal pump Reciprocating pump Air lift pump Jet pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The horizontal component of buoyant force is Zero Negligible Same as buoyant force None of these Zero Negligible Same as buoyant force None of these 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 10 kN/m3 6 kN/m3 4.5 kN/m3 7.5 kN/m3 10 kN/m3 6 kN/m3 4.5 kN/m3 7.5 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity of jet of water traveling out of opening in a tank filled with water is proportional to Head of water (h) h² h/2 V/T Head of water (h) h² h/2 V/T ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS