40 TOP MECHANICAL OPERATIONS Online Test – Multiple Choice Questions and Answers

1. A tube mill compared to a ball mill


2. Rittinger’s number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger’s number of a material indicates its


3. Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a


4. Basic slag is not ground in


5. Screen capacity is not a function of


6. Shape factor for a cylinder whose length equals its diameter is


7. In case of a hammer crusher, the


8. __________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution


9. Which of the following mechanical conveyors does not come under the division ‘carriers’ ?


10. Grindability of a material does not depend upon its


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