Steam Boilers, Engines, Nozzles and Turbines
If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by

Combined separating and throttling calorimeter
Bucket calorimeter
Separating calorimeter
Throttling calorimeter

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Steam Boilers, Engines, Nozzles and Turbines
The main object of a boiler trial is

All of these
To determine the generating capacity of the boiler
To prepare heat balance sheet for the boiler
To determine the thermal efficiency of the boiler when working at a definite pressure

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