Hydraulics and Fluid Mechanics in ME A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a Mouthpiece Weir Nozzle Notch Mouthpiece Weir Nozzle Notch ANSWER DOWNLOAD EXAMIANS APP
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 The dynamic viscosity of gases __________ with rise in temperature. None of these Decreases Increases Remain unaffected None of these Decreases Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Super-sonic velocity Sub-sonic velocity Velocity of approach Critical velocity Super-sonic velocity Sub-sonic velocity Velocity of approach Critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The function of guide vanes in a reaction turbine is to Allow the water to flow over them, without forming eddies Allow the required quantity of water to enter the turbine All of the listed here Allow the water to enter the runner without shock Allow the water to flow over them, without forming eddies Allow the required quantity of water to enter the turbine All of the listed here Allow the water to enter the runner without shock ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex, the velocity of flow everywhere within the fluid is non-zero finite minimum maximum zero non-zero finite minimum maximum zero ANSWER DOWNLOAD EXAMIANS APP