VKC ScienceChemistry for written exams Telegram

UPSC Combined Geo-Scientist

Chemist

  • 3 descriptive papers
  • 200 marks each
  • 3 h per paper

Mains Paper II covers physical chemistry.

UPSC Combined Geo-Scientist, Mains · 2019 · Mains Paper II

Q5. Raising Carnot efficiency: hotter source or colder sink?

Question

Define Carnot efficiency. You have to increase it either by increasing the source temperature by 10 K or by decreasing the sink temperature by the same value. What will you do? Give reason(s).

Model answer

The free solution for 2019 answers questions 1, 2, 3, 4, 6, 8, 9, 11, 12 and 13, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.

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