Q30. Which of these statements about Indian power stations is correct?
[RRB NTPC CBT-I, 17 February 2021 Shift 2]
(A) Kudankulam is in Kerala
(B) Mundra is in Madhya Pradesh
(C) Narora is in Uttar Pradesh
(D) Talcher is in Andhra Pradesh
Answer: (C) Narora is in Uttar Pradesh
Explanation: Narora is a nuclear generating station in Uttar Pradesh. By contrast, Kudankulam is in Tamil Nadu, Mundra is in Gujarat and Talcher is in Odisha, making the third location statement the correct one.
Q29. Tapovan Vishnugad Hydroelectric Project is located in which state?
[SSC CGL 2020 Tier-I, held 16 August 2021 Shift 1]
(A) Himachal Pradesh
(B) Ladakh
(C) Uttarakhand
(D) Jammu and Kashmir
Answer: (C) Uttarakhand
Explanation: The Tapovan Vishnugad project is in Uttarakhand’s Chamoli district on the Dhauliganga River. It is associated with NTPC and uses the Himalayan river’s gradient for hydropower generation.
Q28. Where is the headquarters of NTPC Limited located?
[UP Police ASI, 05 December 2021 Shift 2]
(A) New Delhi
(B) Chennai
(C) Kolkata
(D) Mumbai
Answer: (A) New Delhi
Explanation: NTPC’s corporate headquarters is in New Delhi. The company began in 1975 with a focus on thermal power and now participates in a wider range of electricity-generation and energy-development activities.
Q27. Which NTPC plant listed here is NOT based on natural gas?
[Allahabad High Court ARO, 15 December 2021 Shift 1]
(A) Anta, Rajasthan
(B) Auraiya, Uttar Pradesh
(C) Singrauli, Uttar Pradesh
(D) Kawas, Gujarat
Answer: (C) Singrauli, Uttar Pradesh
Explanation: Singrauli Super Thermal Power Station is coal-based. Anta, Auraiya and Kawas are important gas-fired power stations operated by NTPC. The question differentiates the principal fuels used in major thermal generating facilities.
Q26. Why are some nuclear reactors in India under IAEA safeguards while others are not?
[UPSC CSE Prelims GS Paper I, 2020]
(A) Some use uranium and others thorium
(B) Some use imported uranium and others domestic supplies
(C) Some are foreign operated and others domestic
(D) Some are state owned and others privately owned
Answer: (B) Some use imported uranium and others domestic supplies
Explanation: Under India’s civil-nuclear arrangements, designated civilian nuclear facilities using imported material are subject to IAEA safeguards. The system verifies that safeguarded nuclear material remains in peaceful use and is not diverted to prohibited activities.
Q25. Kiru Hydroelectric Project is situated in which territory?
[WBCS Prelims, 2020]
(A) Telangana
(B) Kerala
(C) Jammu and Kashmir
(D) Andhra Pradesh
Answer: (C) Jammu and Kashmir
Explanation: Kiru is a hydroelectric development on the Chenab River in Jammu and Kashmir’s Kishtwar region. It is associated with Chenab Valley Power Projects and is part of efforts to utilise Himalayan hydropower resources.
Q24. Which of the following Indian public-sector companies generates electricity?
[MPSC State Service Mains GS IV, 2020]
(A) NHPC
(B) NPCIL
(C) NTPC
(D) All of the above
Answer: (D) All of the above
Explanation: NHPC generates hydropower, NPCIL operates nuclear generating stations and NTPC operates a large thermal and diversified generation portfolio. All three are publicly owned energy-sector enterprises contributing to electricity supply.
Q23. What was India’s first atomic research reactor?
[Karnataka Police Civil SI, 2020]
(A) Zerlina
(B) Dhruva
(C) Apsara
(D) Kamini
Answer: (C) Apsara
Explanation: Apsara was India’s first nuclear research reactor, reaching criticality in 1956 at Trombay. It preceded later research installations such as Dhruva and KAMINI, which serve different scientific and technical purposes.
Q22. Rammam Hydroelectric Project is located in which West Bengal district?
[WBCS Prelims, 2019]
(A) Purulia
(B) Bankura
(C) Jalpaiguri
(D) Darjeeling
Answer: (D) Darjeeling
Explanation: The Rammam hydropower project lies in the Darjeeling region of West Bengal. It makes use of the Rammam River’s flow and gradient in the eastern Himalayas and is associated with run-of-river generation.
Q21. Puga Valley, a geothermal area, is located in which region?
[Telangana High Court Junior Assistant, 06 November 2019 Shift 1]
(A) Arunachal Pradesh
(B) Himachal Pradesh
(C) Sikkim
(D) Ladakh
Answer: (D) Ladakh
Explanation: Puga Valley in Ladakh is known for naturally heated groundwater, hot springs and geothermal surface features. Its high heat-flow potential makes it an important Indian geothermal exploration location.
