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 The pressure at a point 4 m below the free surface of water is 39.24 kPa 29.24 kPa 49.24 kPa 19.24 kPa 39.24 kPa 29.24 kPa 49.24 kPa 19.24 kPa ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is greater than 4 greater than unity unity greater than 2 greater than 4 greater than unity unity greater than 2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Archimedes’ principle Buoyancy Equilibrium of a floating body Bernoulli’s theorem Archimedes’ principle Buoyancy Equilibrium of a floating body Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sinθ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ above IG sin²θ/Ax̅ below IG sinθ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ above IG sin²θ/Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydraulic accumulator is used for Supplying energy when main supply fails Generally high pressures to operate hydraulic machines Accumulating oil Supplying large quantities of oil for very short duration Supplying energy when main supply fails Generally high pressures to operate hydraulic machines Accumulating oil Supplying large quantities of oil for very short duration ANSWER DOWNLOAD EXAMIANS APP
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