Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 10 r.p.m. 80 r.p.m. 40 r.p.m. 20 r.p.m. 10 r.p.m. 80 r.p.m. 40 r.p.m. 20 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
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 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/Ax̅) + x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To increase flow rate For safety of turbine To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate For safety of turbine To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to viscosity ratio of inertial force to force due to surface tension ratio of inertial force to force due to gravitation all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to viscosity ratio of inertial force to force due to surface tension ratio of inertial force to force due to gravitation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine pump is basically a centrifugal pump equipped additionally with Vaned diffusion casing Backward curved blades Adjustable blades Inlet guide blades Vaned diffusion casing Backward curved blades Adjustable blades Inlet guide blades ANSWER DOWNLOAD EXAMIANS APP
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