Question 1 of 6
Intermediate

How many basic boiler types exist?

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

The higher the CV value, the lower the friction loss across the device?

Question 4 of 6
Intermediate

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

Question 5 of 6
Intermediate

What is the main purpose of the deaerator?

Question 6 of 6
Intermediate

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

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: How many basic boiler types exist?
1
You can find the answer here >
1: How many basic boiler types exist?
3
1: How many basic boiler types exist?
5
You can find the answer here >
1: How many basic boiler types exist?
7
You can find the answer here >
2: Which of the following parameters are not a part of the NPSHA calculation?
hb = Pressure inside the deaerator
You can find the answer here >
2: 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 >
2: 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 >
2: Which of the following parameters are not a part of the NPSHA calculation?
hR = Regulation valve size
2: 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 >
2: Which of the following parameters are not a part of the NPSHA calculation?
hs = Safety factor
You can find the answer here >
3: The higher the CV value, the lower the friction loss across the device?
True
3: The higher the CV value, the lower the friction loss across the device?
False
You can find the answer here >
4: Which is most likely cause for the need to constantly bleed air out of system?
Low return water temperature
You can find the answer here >
4: 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
You can find the answer here >
4: Which is most likely cause for the need to constantly bleed air out of system?
Not “pumping away”
4: Which is most likely cause for the need to constantly bleed air out of system?
Long vertical runs without a high point
You can find the answer here >
5: What is the main purpose of the deaerator?
To collect condensate
You can find the answer here >
5: What is the main purpose of the deaerator?
Back up tank for make-up water
You can find the answer here >
5: What is the main purpose of the deaerator?
Take as much oxygen out of the water as possible.
6: On which side of the boiler should the central air separator be installed?
Inlet
You can find the answer here >
6: On which side of the boiler should the central air separator be installed?
Outlet