Hydraulics and Fluid Mechanics in ME A flow in which __________ force is dominating over the viscosity is called turbulent flow. Viscous Elastic Inertia Surface tension Viscous Elastic Inertia Surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by [(Vr - v) v]/ Vr [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² [(Vr - v) v]/ Vr [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Braking jet in an impulse turbine is used To break the jet of water To bring the runner to rest in a short time None of these To change the direction of runner To break the jet of water To bring the runner to rest in a short time None of these To change the direction of runner ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow of water through the hole in the bottom of a wash basin is an example of Uniform flow Steady flow Free vortex Forced vortex Uniform flow Steady flow Free vortex Forced vortex ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Francis turbine runner, the numbers of blades are generally between 2 to 4 8 to 16 16 to 24 4 to 8 2 to 4 8 to 16 16 to 24 4 to 8 ANSWER DOWNLOAD EXAMIANS APP