Fundamentals of Machine Design (3141907) MCQs
MCQs of Moment of inertia of planar cross -sections
| 1. |
The point, through which the whole weight of the body acts, irrespective of its position, is known as
|
||||||||
|
Answer:
Option (b) |
| 2. |
The center of the area of plane figures (like a triangle, quadrilateral, circle, etc.) has only areas, but no mass figures are known as centroid.
|
||||
|
Answer:
Option (a) |
| 3. |
A body is having more than one center of gravity for all positions of the body.
|
||||
|
Answer:
Option (b) |
| 4. |
The center of gravity of a body is always calculated with reference to some assumed axis known
|
||||||||
|
Answer:
Option (c) |
| 5. |
The unit of moment of inertia of an area is
|
||||||||
|
Answer:
Option (d) |
| 6. |
If the area of a section is in mm2 and the distance of the center of the area from a line is in mm, then units of the moment of inertia of the section about the line are expressed in
|
||||||||
|
Answer:
Option (c) |
| 7. |
Theorem of perpendicular axis is used in obtaining the moment of inertia of a
|
||||||||
|
Answer:
Option (b) |
| 8. |
The center of gravity of a triangle lies at a point where its medians intersect each other.
|
||||
|
Answer:
Option (a) |
| 9. |
The center of gravity of a rectangle lies at a point where its two diagonals meet each other.
|
||||
|
Answer:
Option (a) |
| 10. |
The center of gravity of a right-angled triangle lies at its geometrical center.
|
||||
|
Answer:
Option (b) |
Developed by
