Question 1 of 6
Intermediate

Why is cavitation always an issue in boiler feed applications?

Question 2 of 6
Intermediate

Which kind of pumps are used in boiler systems?

Question 3 of 6
Intermediate

How many basic boiler types exist?

Question 4 of 6
Intermediate

What is the main purpose of the deaerator?

Question 5 of 6
Intermediate

How many ways can you control the level in the steam boiler?

Question 6 of 6
Intermediate

Which is most likely cause for the need to constantly bleed air out of system?

Question 6 of 6
Intermediate

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1: Why is cavitation always an issue in boiler feed applications?
The pumps are all ways sized too small
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1: Why is cavitation always an issue in boiler feed applications?
Because of the chemicals used in the boiler water
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1: Why is cavitation always an issue in boiler feed applications?
The water is always at boiling temperature.
1: Why is cavitation always an issue in boiler feed applications?
The boiler feed pump always has a negative suction lift from a well
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2: Which kind of pumps are used in boiler systems?
Single stage centrifugal pump
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2: Which kind of pumps are used in boiler systems?
Piston pump
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2: Which kind of pumps are used in boiler systems?
Multi-stage centrifugal pump
2: Which kind of pumps are used in boiler systems?
Screw spindle pump
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2: Which kind of pumps are used in boiler systems?
Dosing pump
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3: How many basic boiler types exist?
1
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3: How many basic boiler types exist?
3
3: How many basic boiler types exist?
5
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3: How many basic boiler types exist?
7
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4: What is the main purpose of the deaerator?
To collect condensate
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4: What is the main purpose of the deaerator?
Back up tank for make-up water
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4: What is the main purpose of the deaerator?
Take as much oxygen out of the water as possible.
5: How many ways can you control the level in the steam boiler?
1
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5: How many ways can you control the level in the steam boiler?
2
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5: How many ways can you control the level in the steam boiler?
3
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5: How many ways can you control the level in the steam boiler?
4
6: Which is most likely cause for the need to constantly bleed air out of system?
Low return water temperature
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6: Which is most likely cause for the need to constantly bleed air out of system?
High points in the piping, such as crossing up and over a beam
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6: Which is most likely cause for the need to constantly bleed air out of system?
Not “pumping away”
6: Which is most likely cause for the need to constantly bleed air out of system?
Long vertical runs without a high point
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