4340Chemical EngineeringMedium
Pick out the wrong statement. A. Caustic embrittlement of boiler’s metallic parts is caused by high concentration of caustic soda in boiler feed water________?
AWith increasing boiler operating pressure of steam, the maximum allowable concentration of
BDissolved oxygen content in high pressure boiler feed water should be nil
CCooling and freezing of water kills the bacteria present in it
Correct answer
C. Cooling and freezing of water kills the bacteria present in it
Explanation
The correct answer is Cooling and freezing of water kills the bacteria present in it.