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  9. Q819

RRB Technician (Grade I Signal + Grade III) 2024 · Question 819 of 1214

After a hot sunny day, people sprinkle water on the roof or open ground because:

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  1. Alarge latent heat of vaporisation of water helps to heat the cold surface
  2. Blarge latent heat of vaporisation of water does not help to cool the hot surface
  3. Clarge latent heat of vaporisation of water helps to cool the hot surfaceCorrect
  4. Dless latent heat of vaporisation of water helps to cool the hot surface

Answer: C. large latent heat of vaporisation of water helps to cool the hot surface

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade 3 GK Questions: 28 Dec Shift 1 (9:00 AM - 10:30 AM) (testpaper.org compilation) · memory-based

← Q818View full paper (1214 questions)Q820 →

Practice the full RRB Technician (Grade I Signal + Grade III) 2024 paper

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