| LIST I (Component) | LIST II (Equipment used in) |
| A. Draft Tube | III. Francis Turbine |
| B. Thermostatic Expansion Valve | II. Cold Storage |
| C. Feed Water Heater | I. Thermal Power Plant |
| D. Automatic Expansion Valve | IV. Central AC Plant |
The internal energy of air in $ 4 \, \text{m} \times 4 \, \text{m} \times 3 \, \text{m} $ sized room at 1 atmospheric pressure will be $ \times 10^6 \, \text{J} $. (Consider air as a diatomic molecule)
An ideal gas has undergone through the cyclic process as shown in the figure. Work done by the gas in the entire cycle is _____ $ \times 10^{-1} $ J. (Take $ \pi = 3.14 $) 
Match List-I with List-II 

