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Author Question: Foaming on the water surface of a steam boiler is a condition caused by _____. a. salt and ... (Read 112 times)

rmenurse

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on: Jul 24, 2018
Foaming on the water surface of a steam boiler is a condition caused by _____.
 
  a. salt and mineral deposits
  b. colloidal substances and/or electrolytes
  c. oil, grease, and/or sediment
  d. dissolved oxygen and amides

Question 2

In which type of system is the formation of scale normally not a problem?
 
  a. Open recirculating
  b. Closed chilled-water
  c. Steam boiler
  d. Cooling tower


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tanna.moeller

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Reply #1 on: Jul 24, 2018
Answer to Question 1

c

Answer to Question 2

b


rmenurse

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Reply 2 on: Jul 24, 2018
:D TYSM

duy1981999

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Reply 3 on: Yesterday
Excellent

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