Mechanical Operations - Study Mode
[#221] Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively.
Correct Answer
(B) 1000°C and 10 atm
[#222] Which of the following oxides is not present in hematite iron ore?
Correct Answer
(C) Cobalt oxide
[#223] Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines?
Correct Answer
(B) Rod mill
[#224] Filtration rate does not depend upon the
Correct Answer
(D) None of these
[#225] For coarse reduction of hard solids, use
Correct Answer
(C) Compression