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

1. Grindability of a material does not depend upon its

 
 
 
 

2. In case of a hammer crusher, the

 
 
 
 

3. Basic slag is not ground in

 
 
 
 

4. A tube mill compared to a ball mill

 
 
 
 

5. 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

 
 
 
 

6. Screen capacity is not a function of

 
 
 
 

7. 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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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