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Kerala KAS 2020 · Question 47 of 70

Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statements is/are correct? (i) Coconut shells, groundnut shells and rice husk can be used in biomass gasification. (ii) The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only. (iii) The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines.

Energy

  1. A(i) onlyCorrect
  2. B(ii) and (iii) only
  3. C(i) and (iii) only
  4. D(i), (ii) and (iii)

Answer: A. (i) only

Explanation

Coconut shells, groundnut shells and rice husk are all usable feedstocks for biomass gasification; the product gases include hydrogen, carbon monoxide and methane (not CO2 only), and can fuel IC engines.

Source: Kerala PSC KAS Officer 016/2020 official paper (22-Feb-2020), provisional answer key

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