81. Properties of alloy steels can be improved significantly by the addition of
82. In the initial period of slow decarburization, iron oxide content in the slag may rise
83. Match the facilities in a steel plant in Group 1 with the associated terms listed in Group 2.
Group 1
Group 2
P. Electric arc furnace
1. High top pressure
Q. L-D converter
2. Dummy bar
R. Continuous caster
3. Slag splashing
S. Blast furnace
4. Eccentric bottom tapping
Group 1 | Group 2 |
P. Electric arc furnace | 1. High top pressure |
Q. L-D converter | 2. Dummy bar |
R. Continuous caster | 3. Slag splashing |
S. Blast furnace | 4. Eccentric bottom tapping |
84. Given the following Assertion 'A' and the Reason 'R'; the correct option is
Assertion A: Phosphorous removal in steel making is favoured by basic slag.
Reason R: Basic slag decreases the activity of P2O5 in the slag.
Assertion A: Phosphorous removal in steel making is favoured by basic slag.
Reason R: Basic slag decreases the activity of P2O5 in the slag.