Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is more than 4000 less than 2000 between 2000 and 4000 less than 4000 more than 4000 less than 2000 between 2000 and 4000 less than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.56 0.36 0.26 0.46 0.56 0.36 0.26 0.46 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is Slow speed pump with radial flow at outlet Medium speed pump with radial flow at outlet High speed pump with radial flow at outlet High speed pump with axial flow at outlet Slow speed pump with radial flow at outlet Medium speed pump with radial flow at outlet High speed pump with radial flow at outlet High speed pump with axial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if Loss of head and velocity of flow in both the pipes is same Diameter of both the pipes is same Length of both the pipes is same Loss of head and discharge of both the pipes is same Loss of head and velocity of flow in both the pipes is same Diameter of both the pipes is same Length of both the pipes is same Loss of head and discharge of both the pipes is same 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 If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then the pressure in the liquid mass is greater than hydrostatic pressure there will be vacuum in the liquid None of these the pressure throughout the liquid mass is atmospheric the pressure in the liquid mass is greater than hydrostatic pressure there will be vacuum in the liquid None of these the pressure throughout the liquid mass is atmospheric ANSWER DOWNLOAD EXAMIANS APP
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