Quiz

  1. Prove that 1 ton of refrigeration = 50 kcal/min. (Note: 1 ton of refrigeration is the amount of cooling produced by melting 1 short ton (= 2000 lb) of ice in a period of 24 hours. Latent heat of melting of ice = 80 kcal/kg.

  2. Calculate the per capita land availability in India in cents/person. (Land area of India = 3.287 million km\(^2\); Human population of India = 1.35 billion in 2020)

  3. 1 barrel of crude oil weighs kg.

    1 barrel = 159 litres; density of crude oil = 0.881 g/cc.