Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.5 0.515 0.4 0.5 0.5 0.515 0.4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The divergent portion of a Venturimeter is made longer than convergent portion in order to None of these To minimize frictional losses Both (A) and (B) Avoid the tendency of breaking away the stream of liquid None of these To minimize frictional losses Both (A) and (B) Avoid the tendency of breaking away the stream of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is 40 × 10⁵ kg/cm² 4000 kg/cm² 40 × 10⁶ kg/cm² 400 kg/cm² 40 × 10⁵ kg/cm² 4000 kg/cm² 40 × 10⁶ kg/cm² 400 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called None of these Pascal’s law D-Alembert’s principle Archimedes’s principle None of these Pascal’s law D-Alembert’s principle Archimedes’s principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids transmit pressure equally in all the directions. This is according to Pascal's law Archimedes principle Boyle's law Newton's formula Pascal's law Archimedes principle Boyle's law Newton's formula ANSWER DOWNLOAD EXAMIANS APP
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