46. Which of the following oxides is not present in hematite iron ore?
47. Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines?
48. Filtration rate does not depend upon the
49. For coarse reduction of hard solids, use
50. 200 mesh screen means 200 openings per
Read More Section(Mechanical Operations)
Each Section contains maximum 70 questions. To get more questions visit other sections.