Softer variety of steel may be obtained by
A). Cementation process
B). Crucible process
C). Bessemer process
D). Open hearth process
1. Bessemer process is used for the manufacture of
2. The increased rate of strength gain of rapid hardening cement is achieved by:
3. Name the type of cement from the following for canal linings:
4. Stainless steel resists corrosion due to
5. Gypsum is a
6. Sea sand used in structures causes
7. For slaking of 10 kg of CaO, the theoretical amount of water is
8. The slag which floats on the surface of the molten iron generally contains
9. The yield strength and tensile strength of low carbon steel may be improved by the addition of