Question 1 of 6
Intermediate

On which side of the boiler should the central air separator be installed?

Question 2 of 6
Intermediate

How many basic boiler types exist?

Question 3 of 6
Intermediate

What is the main purpose of the deaerator?

Question 4 of 6
Intermediate

Which of the following parameters are not a part of the NPSHA calculation?

Question 5 of 6
Intermediate

Why is cavitation always an issue in boiler feed applications?

Question 6 of 6
Intermediate

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

Question 6 of 6
Intermediate

Happy with your answers?

Submit your current answers and get the final test result.

Test results

Congratulations. You have passed the test and completed the 123L- Introduction to boiler systems
Sorry. You did not pass the 123L- Introduction to boiler systems test this time
Achieved badges:
How would you rate this course?
1: On which side of the boiler should the central air separator be installed?
Inlet
You can find the answer here >
1: On which side of the boiler should the central air separator be installed?
Outlet
2: How many basic boiler types exist?
1
You can find the answer here >
2: How many basic boiler types exist?
3
2: How many basic boiler types exist?
5
You can find the answer here >
2: How many basic boiler types exist?
7
You can find the answer here >
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
You can find the answer here >
3: What is the main purpose of the deaerator?
Take as much oxygen out of the water as possible.
4: Which of the following parameters are not a part of the NPSHA calculation?
hb = Pressure inside the deaerator
You can find the answer here >
4: Which of the following parameters are not a part of the NPSHA calculation?
hf = Friction loss in the suction pipe
You can find the answer here >
4: Which of the following parameters are not a part of the NPSHA calculation?
hv = Vapour pressure of the liquid
You can find the answer here >
4: Which of the following parameters are not a part of the NPSHA calculation?
hR = Regulation valve size
4: Which of the following parameters are not a part of the NPSHA calculation?
hgeo = Is the water level above or under the pump inlet
You can find the answer here >
4: Which of the following parameters are not a part of the NPSHA calculation?
hs = Safety factor
You can find the answer here >
5: Why is cavitation always an issue in boiler feed applications?
The pumps are all ways sized too small
You can find the answer here >
5: Why is cavitation always an issue in boiler feed applications?
Because of the chemicals used in the boiler water
You can find the answer here >
5: Why is cavitation always an issue in boiler feed applications?
The water is always at boiling temperature.
5: 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 >
6: How many ways can you control the level in the steam boiler?
1
You can find the answer here >
6: How many ways can you control the level in the steam boiler?
2
You can find the answer here >
6: How many ways can you control the level in the steam boiler?
3
You can find the answer here >
6: How many ways can you control the level in the steam boiler?
4