This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Foaming on the water surface of a steam boiler is a condition caused by _____. a. salt and ... (Read 143 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tanna.moeller

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 24, 2018
Answer to Question 1

c

Answer to Question 2

b


rmenurse

  • Member
  • Posts: 513
Reply 2 on: Jul 24, 2018
Gracias!

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Structure of water and ice Structure of water and ice
A biofilm composed of a community of microorganisms glued by mucilage to a surface. A biofilm composed of a community of microorganisms glued by mucilage to a surface.
The Inner Surface of Human Lung The Inner Surface of Human Lung
Controlling Surface Runoff Controlling Surface Runoff
The water cycle The water cycle
Examples of Surface Barriers Examples of Surface Barriers
Video: Aneurysm

For a complete list of videos, visit our video library