In large power boilers, soot blowers are used at regular intervals for cleaning the tubes. What is the fluid used for the same?

In large power boilers, soot blowers are used at regular intervals for

1.	In large power boilers, soot blowers are used at regular intervals for cleaning the tubes. What is the fluid used for the same?
A.	Low pressure steam
B.	Hot gases
C.	Hot air
D.	Boiling water
Answer» B. Hot gases

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In large power boilers, soot blowers are used at regular intervals for cleaning the tubes. What is the fluid used for the same?

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