Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is To regulate flow of water to turbines by providing necessary retarding head of water To eliminate water hammer possibilities All of these To control the pressure variations due to rapid changes in the pipe line flow To regulate flow of water to turbines by providing necessary retarding head of water To eliminate water hammer possibilities All of these To control the pressure variations due to rapid changes in the pipe line flow 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 Principle of flotation Archimedes’s principle Pascal’s law Bernoulli’s theorem Principle of flotation Archimedes’s principle Pascal’s law Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream Keeps on increasing Remain constant May increase/decrease Keeps on decreasing Keeps on increasing Remain constant May increase/decrease Keeps on decreasing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to 0.003 + (H/0.405) 0.003 + (0.405/H) 0.405 + (H/0.003) 0.405 + (0.003/H) 0.003 + (H/0.405) 0.003 + (0.405/H) 0.405 + (H/0.003) 0.405 + (0.003/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an isothermal atmosphere, the pressure varies in the same way as the density remains constant increases exponentially with elevation decreases linearly with elevation varies in the same way as the density remains constant increases exponentially with elevation decreases linearly with elevation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary Directly as the air or gas density As square of density Inversely as density Inversely as square root of density Directly as the air or gas density As square of density Inversely as density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
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