Related Mcqs:

1. Which is a secondary crusher for a hard & tough stone ?

   A. Jaw crusher
   B. Cone crusher
   C. Impact crusher
   D. Toothed roll crusher

2. Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher ?

   A. Rod mill
   B. Fluid energy mill
   C. Gyratory crusher
   D. Ball mill

3. The capacity of a gyratory crusher is ______________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.?

   A. Same as
   B. 2.5 times
   C. 5 times
   D. 10 times

4. According to Taggart’s rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than_______________?

   A. 0.00184
   B. 0.0184
   C. 0.184
   D. 1.84

5. 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.

6. Fluid energy mill comes in the category of________________?

   A. Grinder
   B. Crusher
   C. Cutter
   D. Ultrafine grinder

7. Which of the following is a fine crusher ?

   A. Blake jaw crusher
   B. Gyratory crusher
   C. Toothed roll crusher
   D. Dodge jaw crusher

8. Which of the following is not a part of the Blake jaw crusher ?

   A. Hanger
   B. Check plates
   C. Toggles
   D. Pitman

9. Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation ?

   A. Check plates
   B. Jaw plates
   C. Toggles
   D. Crush shaft

10. Which of the following is a coarse crusher ?

    A. Smooth roll crusher
    B. Toothed roll crusher
    C. Gyratory crusher
    D. Tube mill