Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Decreases Increases None of these Remain same Decreases Increases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is e > m > d e > d > m d > m > e d > e > m e > m > d e > d > m d > m > e d > e > m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is 0 to 25 m Above 250 m None of these 25 m to 250 m 0 to 25 m Above 250 m None of these 25 m to 250 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Stream lines and path lines always coincide in case of steady flow turbulent flow uniform flow laminar flow steady flow turbulent flow uniform flow laminar flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/x̅) - Ax̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ 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 Principle of flotation Archimedes’s principle Bernoulli’s theorem Pascal’s law Principle of flotation Archimedes’s principle Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS