All Polls
Filter by
Filter by
Questions Per Page:
-
Supersonic flow has a Mach number
- 497 views
- 5 answers
- 2 votes
-
An aircraft in trimmed condition has zero pitching moment at
- 531 views
- 1 answers
- 0 votes
-
For a symmetric airfoil,the lift coefficient for zero degree angle of attack is
- 613 views
- 1 answers
- 0 votes
-
The critical Mach number of an airfoil is attained when
- 601 views
- 1 answers
- 0 votes
-
The Hohmann ellipse used as Earth -Mars transfer orbit has
- 547 views
- 2 answers
- 0 votes
-
A rocket is to be launched from the bottom of a very deep crater on mars for earth return.The specific …
- 601 views
- 1 answers
- 0 votes
-
Multi staging in rockets improves the burn-out performances by increasing mainly stage wise
- 583 views
- 1 answers
- 0 votes
-
The aerodynamic centre of a supersonic airfoil with chord ‘C’ is located at
- 571 views
- 1 answers
- 0 votes
-
In the context of prandtl’s lifting line theory for a finite wing,which of the following combinations of statement is true?
- 700 views
- 2 answers
- 0 votes
-
The absolute ceiling of an aircraft is the altitude above which it
- 648 views
- 2 answers
- 0 votes