Hydraulics - Engineering

Q1:

An ideal fluid is

A incompressible

B compressible

C compressible and non-viscous

D slightly affected by surface torque.

ANS:C - compressible and non-viscous

An ideal fluid is a fluid that has several properties including the fact that it is :
Irrotational - the flow is smooth, no turbulence.
Nonviscous - (Inviscid) fluid has no internal friction.