Steam Boilers, Engines, Nozzles and Turbines
Water boils when its vapor pressure

Equals that of the surroundings
Equals to atmospheric pressure
Equals the pressure of water in the container
Equals 760 mm of mercury

ANSWER DOWNLOAD EXAMIANS APP

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

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%
Inherent moisture and surface moisture are different things

ANSWER DOWNLOAD EXAMIANS APP