%_When the circulation of water, in a boiler, is by a centrifugal pump – McqOptions

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1.	%_When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as_%
A.	Internally fired boiler
B.	Externally fired boiler
C.	Natural circulation boiler
D.	Forced circulation boiler
Answer» E.

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