Hydraulics and Fluid Mechanics in ME In a depressed nappe The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure above the nappe is negative ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of sea water is __________ that of pure water. None of these More than Less than Same as None of these More than Less than Same as 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 Pascal’s law Bernoulli’s theorem Archimedes’s principle Principle of flotation Pascal’s law Bernoulli’s theorem Archimedes’s principle Principle of flotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Four times Sixteen times Double Eight times Four times Sixteen times Double Eight times 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 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 Archimedes’s principle Pascal’s law Continuity equation Bernoulli’s equation Archimedes’s principle Pascal’s law Continuity equation Bernoulli’s equation ANSWER DOWNLOAD EXAMIANS APP
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