Steam Boilers, Engines, Nozzles and Turbines
Which is not the correct statement about moisture in coal?

Inherent moisture and surface moisture are different things
It increases thermal efficiency
Some moisture in coal helps in better burning which is not possible with completely dry coal
In some coals moisture may be present up to 40%

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The indicated thermal efficiency is defined as the

Product of thermal efficiency and Rankine efficiency
Ratio of brake power to the indicated power
Ratio of heat equivalent to indicated power to the energy supplied in steam
Ratio of thermal efficiency to the Rankine efficiency

ANSWER DOWNLOAD EXAMIANS APP