6 questions Advanced

ECADEMY test

27 - Boiler systems

This course test contains 6 questions and can be retaken at any time.

You must answer all questions correctly to pass the test and complete the course.

Start test

Question 1 of 6 Advanced

What is the typical payback time of installing an economiser in a boiler system?

Question 6 of 6 Advanced

Happy with your answers?

Submit your current answers and get the final test result.

Submit

Test results

Congratulations. You have passed the test and completed the 27 - Boiler systems

Achieved badges:

How would you rate this course?

You are welcome to add your rating of this course. Remember that you have to be logged in before you take the test to be able to give your rating.

Continue training Go to MyECADEMY

Sorry. You did not pass the 27 - Boiler systems test this time

How would you rate this course?

You are welcome to add your rating of this course. Remember that you have to be logged in before you take the test to be able to give your rating.

Correct
Q: What is the typical payback time of installing an economiser in a boiler system?
A: Less than two years.
Correct
Q: What is direct boiler feed?
A: Variable speed pumps equipped with level sensors to control the water level
Correct
Q: What is the purpose of an economiser?
A: To harness the energy of the boiler’s flue gas and reuse it in other parts of the system
Correct
Q: What is the main shortcoming of on/off level control?
A: It does not maintain a constant level in the boiler
Correct
Q: Why is chemical treatment of the make-up water necessary?
A: To prevent scaling in the boiler and the water from turning acidic when heated.
Correct
Q: Why are feed valves problematic?
A: Valves cause pressure loss, which increases energy consumption and requires larger pumps