Pick up the correct statement from the following
...Pick up the correct statement from the following
In basic Bessemer process, the steel heats the converter
In open-hearth process, the furnace heats the steel
In Siemens process, the impurities of pig iron are oxidised by the oxygen of the ore
all the above
Correct answer is D
No explanation has been provided for this answer.
Vanadium steel is generally used for ...
The plastics made from cellulose resin ...
For preparing porcelains, the clay should be ...
In the method of condensation polymerization, ...
The rocks formed by gradual deposition are called ...
The initial setting time of lime-pozzolana is ...
Initial setting time of cement for asbestos cement products should be not less than ...