Question

Consider the following statements pertaining to boundary layer : 1. boundary layer is a thin layer adjacent to the boundary where maximum viscous energy dissipation takes place. 2. boundary layer thickness is a thickness by which the ideal flow is shifted. 3. separation of boundary layer is caused by presence of adverse pressure gradient. which of these statements are correct?
a. 1, 2 and 3
b. 1 and 2
c. 1 and 3
d. 2 and 3

Answer 1

the answer is c 1 and 3