The main reducing agent in iron blast furnace is____________________?

Related Mcqs:

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process ?

A. Cyaniding B. Sherardizing C. Spheroidising D. None of these...

Which of the following approaches the ideal gas behavior most closely ?

A. Wet steam B. Saturated steam C. Superheated steam D. Saturated water...

The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?

A. Rigid B. Tough C. Ductile D. Plastic...

Silicon percentage in the silicon steel used for electrical appliances/equipments is_________________?

A. 0.3-0.4 B. 12-14 C. 3-4 D. 20-25...

A polymer is termed as an ‘elastomer’, if its percentage elongation is more than 100%. An elastomer is termed as ‘rubber’ if its percentage elongation is more than _______________ percent ?

A. 150 B. 200 C. 300 D. 400...