Hydraulics and Fluid Mechanics in ME For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called Continuity equation Archimedes’s principle Bernoulli’s equation Pascal’s law Continuity equation Archimedes’s principle Bernoulli’s equation Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific speed for reaction turbines ranges from 10 to 100 80 to 200 250 to 300 0 to 4.5 10 to 100 80 to 200 250 to 300 0 to 4.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be h w/h wh h/w h w/h wh h/w ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) 0.75v²/2g v²/2g 0.5v²/2g 0.375v²/2g 0.75v²/2g v²/2g 0.5v²/2g 0.375v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Trimming the impeller size to the required size by machining Some other alterations in the impeller Not possible Designing new impeller Trimming the impeller size to the required size by machining Some other alterations in the impeller Not possible Designing new impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Resultant pressure of the liquid in the case of an immersed body acts through Centre of buoyancy Centre of gravity Metacentre Centre of pressure Centre of buoyancy Centre of gravity Metacentre Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
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