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

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Steam Boilers, Engines, Nozzles and Turbines
The difference between Cornish boiler and Lancashire boiler is that

Former is water tube type and latter is fire tube type
Former contains one fire tube and latter contains two fire tubes
None of the listed here
Former is fire tube type and latter is water tube type boiler

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