Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) σ cosα/4wd wd/4σ cosα 4wd/σ cosα 4σ cosα/wd σ cosα/4wd wd/4σ cosα 4wd/σ cosα 4σ cosα/wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Bulk modulus of a fluid is the ratio of Increase in volume to the viscosity of fluid Increase in pressure to the volumetric strain Critical velocity to the viscosity of fluid Shear stress to shear strain Increase in volume to the viscosity of fluid Increase in pressure to the volumetric strain Critical velocity to the viscosity of fluid Shear stress to shear strain ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Runaway speed of a hydraulic turbine is The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open The speed corresponding to maximum overload permissible Full load speed The speed at which turbine runner will be damaged The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open The speed corresponding to maximum overload permissible Full load speed The speed at which turbine runner will be damaged 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 w wh w/h h/w w wh w/h ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic similarity is said to exist between the model and the prototype, if both of them None of these Have identical velocities Are identical in shape, but differ only in size Are equal in size and shape None of these Have identical velocities Are identical in shape, but differ only in size Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Smoothen flow Increase pump efficiency Save pump from cavitations Reduce acceleration to minimum Smoothen flow Increase pump efficiency Save pump from cavitations Reduce acceleration to minimum ANSWER DOWNLOAD EXAMIANS APP
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