Question 90 on Boiler Foundations, November 15: (A certain score will be given to the top 40)

2015-11-15View Original

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True or False: All types of acids can be used for descaling boilers through acid cleaning. () Thank you for your support; correct answers earn an additional +5–8 points to your wealth, while incorrect answers earn +1 point

Reply #22015-11-15

This definitely can’t be right. I remember that for the pickling of the circulating water cooler, a mixture of phosphoric acid and some other acid was used.

Reply #32015-11-15

Various acids can be used for boiler descaling (False)

Reply #42015-11-15

Various acids can be used for boiler descaling (False)

Reply #52015-11-15

Various acids can be used for boiler descaling through acid cleaning

Reply #62015-11-15

Various acids can be used for boiler descaling through acid cleaning

Reply #72015-11-15

Various acids can be used for boiler descaling by acid treatment (X)

Reply #82015-11-15

Various acids can be used for boiler descaling through acid cleaning

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Question 90 on Boiler Foundations, November 15: (A certain score will be given to the top 40)

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