Saved Bookmarks
| 1. |
In synthetic sands of aluminium alloys, what is the bentonite percentage composition?(a) 2-5%(b) 3-5%(c) 4-5%(d) 5-6% |
|
Answer» The correct choice is (c) 4-5% The explanation is: In synthetic sands of aluminium alloys, the bentonite percentage composition is calculated to be 4-5%. Whereas, in the case of green sands, the bentonite percentage is recorded to be around 3.5%. |
|