Blowdown in a cooling tower

1.	Blowdown in a cooling tower
A.	means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities.
B.	increases the scale forming tendencies of water.
C.	is undesirable.
D.	all (a), (b) & (c).
Answer» B. increases the scale forming tendencies of water.

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Blowdown in a cooling tower

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