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. Neutral Unstable None of these Stable Neutral Unstable None of these Stable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 82.4 r.p.m. 48.2 r.p.m 248 r.p.m 24.8 r.p.m. 82.4 r.p.m. 48.2 r.p.m 248 r.p.m 24.8 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Viscosity of water in comparison to mercury is Higher Same Higher/lower depending on temperature Lower Higher Same Higher/lower depending on temperature Lower ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock) 2p/sinα 2p/sin (α/2) p/2sinα p/sinα 2p/sinα 2p/sin (α/2) p/2sinα p/sinα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of resistance Newton's law of viscosity Newton's law of cooling Newton's law of motion Newton's law of resistance Newton's law of viscosity Newton's law of cooling Newton's law of motion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas decreases with increase in temperature increases with increase in temperature is independent of pressure for very high pressure intensities is independent of temperature decreases with increase in temperature increases with increase in temperature is independent of pressure for very high pressure intensities is independent of temperature ANSWER DOWNLOAD EXAMIANS APP
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