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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Steam Boilers, Engines, Nozzles and Turbines
A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are

Supplied mounted on a single base
Packaged boiler does not exist
Purchased from several parties and packed together at site
Supplied by same manufacturer loose and assembled at site

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