8340Chemical EngineeringMedium
The normal stress is the same in all directions at a point in a fluid, only when the fluid________?
Ais incompressible & frictionless
BIs frictionless
CFluid layer has no motion relative to an adjacent layer of fluid
DIs at rest & has zero viscosity
Correct answer
A. is incompressible & frictionless
Explanation
The correct answer is is incompressible & frictionless.