Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 4000 Between 2000 and 4000 More than 4000 Less than 2000 Less than 4000 Between 2000 and 4000 More than 4000 Less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Low specific speed of turbine implies it is Impulse turbine Propeller turbine Francis turbine Any one of the above Impulse turbine Propeller turbine Francis turbine Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 9.81 kN/m3 Any one of these 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 9.81 kN/m3 Any one of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of fluid due to hammer blow is Inversely proportional to density of fluid Inversely proportional to (density)1/2 of fluid Directly proportional to density of fluid Directly proportional to (density)1/2 of fluid Inversely proportional to density of fluid Inversely proportional to (density)1/2 of fluid Directly proportional to density of fluid Directly proportional to (density)1/2 of fluid 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) (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following has highest coefficient of discharge ? Borda’s mouthpiece running full CipoUetti weir venturimeter sharp edged orifice Borda’s mouthpiece running full CipoUetti weir venturimeter sharp edged orifice ANSWER DOWNLOAD EXAMIANS APP
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