The refractory lining of the bottom in a basic electric arc furnace is made of___________________?

Related Mcqs:

The most detrimental impurity in high pressure boiler feed water is ___________________?

A. Suspended salt B. Dissolved salt C. Silica D. Turbidity...

Minimum number of members required to form a Public Limited Joint Stock Com-pany is___________________?

A. 7 B. 10 C. 12 D. 17...

The surface tension of a liquid, at critical temperature is____________________?

A. Indeterminate B. Zero C. Infinity D. Same as that at any other temperature...

Which of the following is an acidic constituent of B.F. slag ?

A. SiO2 B. FeO C. MgO D. CaO...

The difference between gross & net calorific values of fuel is due to the___________________?

A. Sensible heat carried away by the flue gases B. Heat carried away by the steam from the moisture content of the fuel C. Heat lost by radiation D. Heat carried away by steam from the combustion of hydrogen in the fuel...