engineering recuitment HAL Management & Design Trainee Mock Test 2023 Thermodynamics Second Law of Thermodynamics and Entropy
During winter season in Delhi, the temperature was 5°C. Ravi takes 21 litres of water in a bucket for bathing (water temperature – ambient). How much boiling water (100°C) should be added to the bucket to increase the temperature of total quantity of water in the bucket to 30°C? (Sp. heat of water = 4.2 J/g, water density = 1 g/cc,)
1
10 litres
2
2 litres
3
5 litres
4
7.5 litres