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 Archimedes’s principle Bernoulli’s theorem Principle of flotation Pascal’s law Archimedes’s principle Bernoulli’s theorem Principle of flotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the coefficient of discharge is 0.6, then the discharge over a right angled notch is 7.141 H5/2 4.171 H5/2 1.417 H5/2 0.417 H5/2 7.141 H5/2 4.171 H5/2 1.417 H5/2 0.417 H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Decreases Increases Remain unaffected Unpredictable Decreases Increases Remain unaffected Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The fluid forces considered in the Navier Stokes equation are gravity, viscous and turbulent pressure, viscous and turbulent gravity, pressure and turbulent gravity, pressure and viscous gravity, viscous and turbulent pressure, viscous and turbulent gravity, pressure and turbulent gravity, pressure and viscous ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Reduce acceleration to minimum Increase pump efficiency Smoothen flow Save pump from cavitations Reduce acceleration to minimum Increase pump efficiency Smoothen flow Save pump from cavitations ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Principle of similitude forms the basis of comparing two identical equipments comparing similarity between design and actual equipment designing models so that the result can be converted to prototypes hydraulic designs comparing two identical equipments comparing similarity between design and actual equipment designing models so that the result can be converted to prototypes hydraulic designs ANSWER DOWNLOAD EXAMIANS APP