Hydraulics and Fluid Mechanics in ME
The velocity distribution for laminar flow through a circular tube

is constant over the cross-section
varies parabolically with maximum at the centre
None of these
varies linearly from zero at walls to maximum at centre

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
In a reaction turbine, the draft tube is used

To prevent air to enter the turbine
To run the turbine full
To transport water to downstream
To increase the head of water by an amount equal to the height of the runner outlet above the tail race

ANSWER DOWNLOAD EXAMIANS APP