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

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

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
Pick up the wrong statement about water tube boiler in comparison to fire tube boilers

Former is used for high installed capacity
Chances of explosion are less in former case
Former occupies less space for same power
Rate of steam flow is more in former case

ANSWER DOWNLOAD EXAMIANS APP