Licchavi Lyceum

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Licchavi Lyceum

UPSC Prelims PYQ | Petrochemical

Q1. Which among the following States possesses oil resources based on geographical location ?
(a) Kerala
(b) Nagaland
(c) Assam
(d) Meghalaya

(UPSC Prelims 1979)

Answer: (c) Assam

Explanation: Assam is rich in petroleum reserves, with major oil fields in Digboi, Duliajan, and Naharkatia. It has been a pioneer in India’s oil industry, with Asia’s first refinery established in Digboi.

Q2. In what sequence are the following obtained from a natural gas well?

  1. Natural Gas
  2. Water
  3. Crude oil
    (a) 1, 3, 2
    (b) 1, 2, 3
    (c) 3, 2, 1
    (d) 2, 1, 3

Answer: (b) 1, 2, 3

Explanation: From a natural gas well, natural gas is extracted first due to its gaseous state and pressure, followed by water, and then crude oil, which settles at the bottom. This sequence reflects the physical properties and layering of substances underground.

Natural Gas Well

Q3. Approximately what per cent of the total petroleum consumption in India is obtained from within the country ?
(a) 20
(b) 30
(c) 40
(d) None of these

(UPSC Prelims 1985)

Answer: (c) 40

Explanation: India produces around 40% of its petroleum needs domestically, with the rest being imported. This highlights the country’s dependence on foreign oil and the importance of energy security policies.

Petroleum Needs of India

Q4. Crude oil was exported from India in 1985 because
(a) Of production surplus.
(b) Alternative source of energy has been developed in India.
(c) Import of petroleum products was much cheaper in comparison to the refined oil in India.
(d) Of insufficient refining capacity in India.

(UPSC Prelims 1987)

Answer: (d) Of insufficient refining capacity in India

Explanation: In 1985, India faced a shortage of refining infrastructure, which led to the export of crude oil for processing abroad. The domestic capacity was not sufficient to meet the refining demands, making option (d) correct.

Q5. The Narimanam oil field is located in
(a) Mahanadi delta
(b) Krishna delta
(c) Cauvery delta
(d) Godavari delta

(UPSC Prelims 1987)

Answer: (c) Cauvery delta

Explanation: Narimanam oil field is situated in the Cauvery delta region of Tamil Nadu, known for its onshore oil and gas reserves. It contributes to India’s domestic energy production.