Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is Above the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity At the centre of gravity Above the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity At the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A streamline is defined as the line parallel to central axis flow of equal yelocity in a flow along which the pressure drop is uniform parallel to outer surface of pipe parallel to central axis flow of equal yelocity in a flow along which the pressure drop is uniform parallel to outer surface of pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 9.81 kN/m3 Any one of these 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 9.81 kN/m3 Any one of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1 - V2) / V1 (V1² - V2²) / V1² V1² / (V1² - V2²) V1 / (V1 - V2) (V1 - V2) / V1 (V1² - V2²) / V1² V1² / (V1² - V2²) V1 / (V1 - V2) 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 Critical velocity Sub-sonic velocity Super-sonic velocity Velocity of approach Critical velocity Sub-sonic velocity Super-sonic velocity Velocity of approach ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of pressure head in case of laminar flow is proportional to (Velocity)4 (Velocity)3 Velocity (Velocity)2 (Velocity)4 (Velocity)3 Velocity (Velocity)2 ANSWER DOWNLOAD EXAMIANS APP
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