Hydraulics and Fluid Mechanics in ME In a free 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 A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will Partly immersed Be fully immersed with top surface at fluid surface Float over fluid Sink to bottom Partly immersed Be fully immersed with top surface at fluid surface Float over fluid Sink to bottom 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 Continuity equation Archimedes’s principle Pascal’s law Bernoulli’s equation Continuity equation Archimedes’s principle Pascal’s law Bernoulli’s equation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is 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 All of these To eliminate water hammer possibilities 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 All of these To eliminate water hammer possibilities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 1/RN 16/RN 64/RN 4/RN 1/RN 16/RN 64/RN 4/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Viscosity of water in comparison to mercury is Higher/lower depending on temperature Same Lower Higher Higher/lower depending on temperature Same Lower Higher ANSWER DOWNLOAD EXAMIANS APP
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