Fundamental Concepts
Quick practice
Question 1 of 5
The hydrodynamic boundary layer thickness is defined from the surface where the:
A
Velocity equals the approach velocity
B
Momentum equals 99% of the momentum of the free stream
C
Velocity equals 99% of local external velocity
D
Velocity equals the local external velocity
Get unlimited practice with GATE & ESE - ME & CH subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go