1.Why is it that “unconventional” reservoirs can produce gas cost-effectively only by using special stimulation techniques such as hydraulic fracturing?
a) The gas is highly dispersed in the rock.
b) The gas occurs in a concentrated underground location which is, at present levels of technology, hard to accurately pinpoint.
c) The momentary pressure rise resulting from a fracture is an important step in the chemical process of creation of gas.
d) None of the above
2.Consider the following statements:
1.Over a period of time, the usage of water dramatically increases for extracting the same amount of shale gas from a well.
2.Shale rocks are always found adjacent to aquifers.
Which of the statements given above is/are correct?
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
3.“ARIIA”, recently in the news, is
a) The Gaganyaan capsule that will carry Indian astronauts.
b) A quick plastic-degrading technology developed by the Indian Institute of Science.
c) An innovation-based ranking framework for higher educational institutions.
d) A type of bacteria that can digest pesticides.
4.The Nilgiri Tahr is
1.A critically endangered species.
2.Distributed across all states in which the western ghats are spread.
Select the correct answer using the code given below:
- a) 1 only
- b) 2 only
- c) Both 1 and 2
- d) Neither 1 nor 2