Mechanical Operations Mcqs for Chemical

Q.  Pick out the wrong statement ?

a. More commonly used jaw crusher between Dodge jaw crusher and Blake jaw crusher is the later one
b. There are only four methods namely compression, impact, attrition and cutting, which the size reduction equipments employ
c. Cutting machines mainly employ ‘attrition’ for size reduction of solids
d. Operating principles of Dodge and Blake jaw crushers are combined in the working of universal jaw crushers


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