Hydraulics and Fluid Mechanics in ME The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) wH2/2 wH2/4 wH/2 wH wH2/2 wH2/4 wH/2 wH ANSWER DOWNLOAD EXAMIANS APP
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. Stable None of these Unstable Neutral Stable None of these Unstable Neutral ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Reynold's number of a ship is __________ to its velocity and length. None of these Square root of velocity Directly proportional Inversely proportional None of these Square root of velocity Directly proportional Inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by dQ/Q = (1/2) × (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (3/2) × (dH/H) dQ/Q = (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (3/2) × (dH/H) dQ/Q = (dH/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Bernoulli’s theorem Archimedes’s principle Pascal’s law Principle of flotation Bernoulli’s theorem Archimedes’s principle Pascal’s law Principle of flotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow through a long pipe at decreasing rate is called __________ uniform flow. Unsteady Both A and B None of these Steady Unsteady Both A and B None of these Steady ANSWER DOWNLOAD EXAMIANS APP
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