Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Increases None of these Remain same Decreases Increases None of these Remain same Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is 0.64 0.46 0.78 0.87 0.64 0.46 0.78 0.87 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The vapour pressure over the concave surface is zero greater than the vapour pressure over the plane surface equal to the vapour pressure over the plane surface less man the vapour pressure over the plane surface zero greater than the vapour pressure over the plane surface equal to the vapour pressure over the plane surface less man the vapour pressure over the plane surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Are identical in shape, but differ only in size Have identical forces Are equal in size and shape Have identical velocities Are identical in shape, but differ only in size Have identical forces Are equal in size and shape Have identical velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) h/w wh w w/h h/w wh w w/h ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race. None of these Product Difference Sum None of these Product Difference Sum ANSWER DOWNLOAD EXAMIANS APP