Fluid Mechanics
Euler's equation of motion is a statement expressing

Conservation of mass
Newton's second law of motion
Newton's first law of motion
Conservation of energy

ANSWER DOWNLOAD EXAMIANS APP

Fluid Mechanics
The Prandtl mixing length is

Zero at the pipe wall and is a universal constant
Independent of the shear stress
Useful for computing laminar flow problems
Independent of radial distance from the pipe axis

ANSWER DOWNLOAD EXAMIANS APP