Chemical Engineering - Fluid Mechanics

16.
Which of the following conditions must be satisfied for lift force to be developed ?
The body should be bluff body.
The body should be stream lined.
Circulation around the body is essentially required.
The main stream velocity must approach the velocity of sound in that fluid medium.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
The Reynolds number for an ideal fluid flow is
4
2100-4000
4000
Answer: Option
Explanation:
No answer description is available. Let's discuss.