Steam Boilers, Engines, Nozzles and Turbines
In cross compounding, the cylinders are arranged

Side by side and each cylinder has separate piston, connecting rod and crank
Side by side and each cylinder has common piston, connecting rod and crank
At 90° and each cylinder has common piston, connecting rod and crank
At 90° and each cylinder has separate piston, connecting rod and crank

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

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

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