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Energy Resource

2 UPSC Prelims MCQs tagged "Energy Resource". Free practice with answer keys, explanations, and timed mock tests on Anantam IAS.

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  1. With reference to coal-based thermal power plants in India, consider the following statements :…

    With reference to coal-based thermal power plants in India, consider the following statements : 1. None of them uses seawater. 2. None of them is set up in water-stressed district. 3. None of them is privately owned. How many of the above statements are correct?

    1. AOnly one
    2. BOnly two
    3. CAll three
    4. DNone
    Answer and explanation

    Correct answer: D

    * Statement 1 is incorrect: The Mundra Thermal Power Plant employs a closed-cycle induced draft circulating cooling water system that utilises seawater. Seawater is drawn from the Gulf of Kutch through robust glass reinforced pipes of significant diameter. In addition, purified seawater from a reverse osmosis plant is utilised by various supplementary systems.

    * Statement 2 is incorrect: According to recent research by WRI (World Resources Institute), 40 percent of India's thermal power plants are situated in regions experiencing significant water stress. This poses a challenge as these plants rely on water for cooling purposes. The scarcity of water is already causing disruptions in electricity generation in these areas, with 14 out of India's 20 largest thermal utilities having experienced at least one shutdown between 2013 and 2016 due to water shortages.

    * Statement 3 is incorrect: India has a total of 269 Thermal Power Plants, with 138 of them being owned by the public sector and the remaining 131 owned by the private sector.

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    Indian Geography UPSC 2023 Medium

  2. Which of the following is/are the characteristic/ characteristics of Indian coal? 1. High ash…

    Which of the following is/are the characteristic/ characteristics of Indian coal? 1. High ash content 2. Low sulphur content 3. The low ash fusion temperature Select the correct answer using the codes given below.

    1. A1 only
    2. B1 and 2 only
    3. C2 and 3 only
    4. D1, 2 and 3
    Answer and explanation

    Correct answer: B

    Statement 1 is correct: The most significant characteristic of Indian coal is its high ash content, which varies from 35 to 45 per cent, compared with that of coal in other parts of the world, which is around 15 per cent.

    Statement 2 is correct: Indian coal's sulphur content is low, about 0.5 per cent.

    Statement 3 is incorrect: Besides high ash content, another reason for entrained gasifiers (that operate at higher temperatures than fluidised bed gasifiers), commonly used in IGCC plants abroad, being not suitable for Indian coal has a high ash fusion temperature of about 1,500.

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    Indian Geography UPSC 2013 Hard