Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having surface tension is no criterion high density and viscosity lower surface tension higher surface tension surface tension is no criterion high density and viscosity lower surface tension higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is All of these To regulate flow of water to turbines by providing necessary retarding head of water To eliminate water hammer possibilities To control the pressure variations due to rapid changes in the pipe line flow All of these To regulate flow of water to turbines by providing necessary retarding head of water To eliminate water hammer possibilities To control the pressure variations due to rapid changes in the pipe line flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of pressure on an inclined plane is Above the Centroid Below the Centroid At the Centroid At metacentre Above the Centroid Below the Centroid At the Centroid At metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.20 cm 0.10 cm 0.05 cm 0.40 cm 0.20 cm 0.10 cm 0.05 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the Velocity head Pressure head Pressure head - velocity head Pressure head + velocity head Velocity head Pressure head Pressure head - velocity head Pressure head + velocity head ANSWER DOWNLOAD EXAMIANS APP
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