The usual energy consumption in electric arc furnace steel making is _____________ KWh/ton of steel ?

Related Mcqs:

Which of the following materials has the least scrap value ?

A. Aluminium B. Stainless steel C. Brass D. Copper...

Damage to metal surface by mechanical action is called____________________?

A. Pitting B. Corrosion C. Erosion D. None of these...

Lead is poured into the joint between two _______________ pipes ?

A. Mild steel B. Concrete C. Cast iron D. Asbestos cement...

Dephosphorization of molten pig iron is favoured by_______________________?

A. Oxidising and basic slag B. Reducing and basic slag C. High activity co-efficient of phosphorous in metal D. Oxidising and neutral slag...

Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxy-acetylene welding is ______________ Nm3 ?

A. 0.5 B. 1 C. 1/3 D. 2.5...