Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be non-uniform when The liquid particles at all sections have the same velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Could be any value Maximum Zero Minimum Could be any value Maximum Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 0.15 to 0.3 0.4 to 0.5 0.6 to 0.9 1 to 1.5 0.15 to 0.3 0.4 to 0.5 0.6 to 0.9 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The meatcentric height is the distance between the Original centre of buoyancy and new centre of buoyancy Centre of gravity of the floating body and the metacentre Centre of gravity of the floating body and the centre of buoyancy Metacentre and centre of buoyancy Original centre of buoyancy and new centre of buoyancy Centre of gravity of the floating body and the metacentre Centre of gravity of the floating body and the centre of buoyancy Metacentre and centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Is also known as capillarity Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Is also known as capillarity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.34 times 0.67 times 0.95 times 0.81 times 0.34 times 0.67 times 0.95 times 0.81 times ANSWER DOWNLOAD EXAMIANS APP
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