Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Unpredictable The same as the surface of liquid Lower than the surface of liquid Higher than the surface of liquid Unpredictable The same as the surface of liquid Lower than the surface of liquid Higher than the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow whose streamline is represented by a straight line, is called __________ dimensional flow. One Two Four Three One Two Four Three ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For starting an axial flow pump, its delivery valve should be Closed Depends on starting condition and flow desired Open Could be either open or closed Closed Depends on starting condition and flow desired Open Could be either open or closed 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 The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Twice the depth Twice the breadth Half the breadth Half the depth Twice the depth Twice the breadth Half the breadth Half the depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 24.8 r.p.m. 48.2 r.p.m 82.4 r.p.m. 248 r.p.m 24.8 r.p.m. 48.2 r.p.m 82.4 r.p.m. 248 r.p.m ANSWER DOWNLOAD EXAMIANS APP