For transporting pasty material, one will use a/an__________________?

Related Mcqs:

1. 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________________?

   A. Easier grindability
   B. Poor grindability
   C. High power consumption in grinding
   D. None of these

2. Energy consumed for crushing one ton of material ranges from ______________ kWh?

   A. 0.01 to 0.1
   B. 0.5 to 1.5
   C. 2 to 3.5
   D. 4 to 5

3. Which is the most suitable conveyor for transportation of sticky material ?

   A. Apron conveyor
   B. Belt conveyor
   C. Screw conveyor
   D. Pneumatic conveyor

4. Pick out the material having minimum Rittinger’s number?

   A. Calcite
   B. Pyrite
   C. Quartz
   D. Galena

5. Width and speed of a conveyor belt depends upon the ______________ of the material?

   A. Lump size
   B. Bulk density
   C. Both A. & B.
   D. Neither A. nor B.

6. Which of the following is the hardest material ?

   A. Calcite
   B. Quartz
   C. Corundum
   D. Gypsum

7. A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is_________________?

   A. 0.50
   B. 0.58
   C. 0.68
   D. 0.62

8. Grinding characteristic of a material is given by its___________________?

   A. HGI
   B. Angle of repose
   C. Shatter index
   D. Abrasion index

9. The material is crushed in a gyratory crusher by the action of__________________?

   A. Impact
   B. Compression
   C. Attrition
   D. Cutting

10. Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of „scrappers‟ ?

    A. Bucket conveyor
    B. Flight conveyor
    C. Screw conveyor
    D. Both B. and C.