Hydraulics and Fluid Mechanics in ME If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium. Unstable Neutral Stable None of these Unstable Neutral Stable None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if The area is vertical The area is horizontal All of these The area is inclined The area is vertical The area is horizontal All of these The area is inclined ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice) Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Unity Between 1 and 6 None of these Less than unity Unity Between 1 and 6 None of these Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of gravity of the volume of the liquid displaced is called Centre of pressure Metacentre None of the listed here Centre of buoyancy Centre of pressure Metacentre None of the listed here Centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of a turbine runner is 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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