Raw materials are charged in the iron blast furnace using____________________?

Related Mcqs:

Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are________________?

A. Carbonates B. Sulphates C. Silicates & phosphates D. Bi-carbonates...

Which of the following oxides is not present in hematite iron ore ?

A. Titanium oxide B. Calcium oxide C. Cobalt oxide D. Manganese oxide...

Maximum size reduction in a ball mill is done by the, ______________ action?

A. Attrition B. Compression C. Impact D. Cutting...

Pine oil used in froth floatation technique acts as a/an_____________________?

A. Collector B. Modifier C. Frother D. Activator...

Which of the following relationships between co-efficient of friction (μ) between rock & roll and a (half of the angle of nip) of the particle to be crushed is correct ?

A. μ > tan α B. μ ≥ tan α C. μ > tan 2α D. μ ≤ tan α...