Steam Boilers, Engines, Nozzles and Turbines
Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value

1 + moisture content
1 – moisture content
(1 + moisture content)
(1- moisture content)

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

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

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