[Solved] Which of the following should not be a composition of boiler-feed water?

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Q.	Which of the following should not be a composition of boiler-feed water?
A.	Hardness should be below 0.2ppm
B.	Its caustic alkalinity should lie between 0.15 to 0.45 ppm
C.	Its soda alkalinity should be 0.45-1 ppm
D.	Its caustic alkalinity should be 1.5-2 ppm
Answer» D. Its caustic alkalinity should be 1.5-2 ppm

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