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

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Steam Boilers, Engines, Nozzles and Turbines
A nozzle is said to be a divergent nozzle

When the cross-section of the nozzle increases continuously from entrance to exit
When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit
When the cross-section of the nozzle decreases continuously from entrance to exit
None of these

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Steam Boilers, Engines, Nozzles and Turbines
Pick up the wrong statement about water tube boiler in comparison to fire tube boilers

Rate of steam flow is more in former case
Chances of explosion are less in former case
Former is used for high installed capacity
Former occupies less space for same power

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