Steam Boilers, Engines, Nozzles and Turbines
Pick up the wrong statement about critical condition of steam

Specific volume of steam and liquid is same
Latent heat is zero
This is the maximum pressure limit
Liquid directly becomes steam

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Steam Boilers, Engines, Nozzles and Turbines
Carbonization of coal is the process of

Pulverizing coal in inert atmosphere
Binding the pulverized coal into briquettes
Heating wood in a limited supply of air at temperatures below 300°C
Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

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