Which of the following option is incorrect about the sludges? – McqOptions

MCQOPTIONS

1.	Which of the following option is incorrect about the sludges?
A.	Sludges are soft, loose and slimy precipitate
B.	They are non-adherent deposits and can be easily removed
C.	Formed generally at heated portions of the boiler
D.	Can be removed by blow down operation
Answer» D. Can be removed by blow down operation

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