Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium when the metacentre is above the centre of gravity when the metacentre is below the centre of gravity only when its centre of gravity is below its centre of buoyancy when its metacentric height is zero when the metacentre is above the centre of gravity when the metacentre is below the centre of gravity only when its centre of gravity is below its centre of buoyancy when its metacentric height is zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The wake is a region of high pressure intensity always occurs before a separation point None of these always occurs after a separation point is a region of high pressure intensity always occurs before a separation point None of these always occurs after a separation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific speed for reaction turbines ranges from 250 to 300 80 to 200 10 to 100 0 to 4.5 250 to 300 80 to 200 10 to 100 0 to 4.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex, the velocity of flow everywhere within the fluid is maximum minimum zero non-zero finite maximum minimum zero non-zero finite ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be less than 1 m/sec 1.5 m/sec 2 m/sec 1 m/sec less than 1 m/sec 1.5 m/sec 2 m/sec 1 m/sec 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 (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ ANSWER DOWNLOAD EXAMIANS APP