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Question 1 of 6
Intermediate
How many basic boiler types exist?
Question 2 of 6
Intermediate
The higher the CV value, the lower the friction loss across the device?
Question 3 of 6
Intermediate
What is the main purpose of the deaerator?
Question 4 of 6
Intermediate
Why is cavitation always an issue in boiler feed applications?
Question 5 of 6
Intermediate
How many ways can you control the level in the steam boiler?
Question 6 of 6
Intermediate
Which of the following parameters are not a part of the NPSHA calculation?
Question 6 of 6
Intermediate
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1: How many basic boiler types exist?
1: How many basic boiler types exist?
3
1: How many basic boiler types exist?
1: How many basic boiler types exist?
2: The higher the CV value, the lower the friction loss across the device?
True
2: The higher the CV value, the lower the friction loss across the device?
3: What is the main purpose of the deaerator?
To collect condensate
You can find the answer here >
3: What is the main purpose of the deaerator?
Back up tank for make-up water
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3: What is the main purpose of the deaerator?
Take as much oxygen out of the water as possible.
4: Why is cavitation always an issue in boiler feed applications?
The pumps are all ways sized too small
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4: Why is cavitation always an issue in boiler feed applications?
Because of the chemicals used in the boiler water
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4: Why is cavitation always an issue in boiler feed applications?
The water is always at boiling temperature.
4: Why is cavitation always an issue in boiler feed applications?
The boiler feed pump always has a negative suction lift from a well
You can find the answer here >
5: How many ways can you control the level in the steam boiler?
5: How many ways can you control the level in the steam boiler?
5: How many ways can you control the level in the steam boiler?
5: How many ways can you control the level in the steam boiler?
4
6: Which of the following parameters are not a part of the NPSHA calculation?
hb = Pressure inside the deaerator
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6: Which of the following parameters are not a part of the NPSHA calculation?
hf = Friction loss in the suction pipe
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6: Which of the following parameters are not a part of the NPSHA calculation?
hv = Vapour pressure of the liquid
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6: Which of the following parameters are not a part of the NPSHA calculation?
hR = Regulation valve size
6: Which of the following parameters are not a part of the NPSHA calculation?
hgeo = Is the water level above or under the pump inlet
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6: Which of the following parameters are not a part of the NPSHA calculation?
hs = Safety factor
You can find the answer here >