EARTH MCQS SET 02

EARTH MCQS SET 02

 

1. The main raw material for ceramic industry is
a) Silica
b) Clay
c) Gypsum
d) Terracota

2. “Bleaching clays” are
a) Fire clays
b) Bentonites
c) China clays
d)Fuller’s earth

3. The outcrop of manganese deposits exhibit ________ color
a) Black
b) Brown
c) Maroon
d) Waxy green

4. As one moves from Tropical zones towards the Polar regions, the concentration of limestone
a) Increases
c) Decrease
b) First increases then decreases
d) First decreases then increases

5. The Bauxite deposits of Orissa are associated with
a) Positive topographic forms
b) Negative topographic forms
c) Structural elevations
d) Tectonic deeps

6. The Graphite deposits of Kalahandi, the Granite deposits of Rajasthan and the Kyanite deposits of Singhbhum are associated with
a) Igneous rocks
c) Sedimentary rocks
b) Metamorphic rocks
d) All of the above

7. ‘Trenching’ involves
a) Linear excavation
b) Linear excavation in which one dimension is greater than other
c) Drilling wedge-shaped bore holes
d) Digging even-sized pits

8. Diamond drilling can be used to bore holes in
a) Horizontal direction only
b) Vertical direction only
c) Horizontal and vertical directions
d) All directions

9. The most useful drilling for penetrating hard or abrasive ground is
a) Diamond drilling
c) Percussion drilling
b) Rotary drilling
d) Churn drilling

10. Which of the following is a common method used for sampling of placer deposits
a) Churn drilling
c) Augur drilling
b) Jet drilling
d) Rotary drilling

ANSWERS:
1)a)Silica
2)d)Fuller’s earthz
3)a)Black
4)d)First decreases then increases
5)b)Negative topographic forms
6)b)Metamorphic rocks
7)b)Linear excavation in which one dimension is greater than other
8)d)All Directions
9)c)Percussion Drilling
10)a)Churn drilling