4 questions Intermediate

ECADEMY test

53 - Common domestic wastewater issues

This course test contains 4 questions and can be retaken at any time.

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Question 1 of 4 Intermediate

What happens if there is no backflow prevention valve, or if one is installed below sewage level?

Question 2 of 4 Intermediate

Which of the following is not a cause of water hammering noises in pipe systems?

Question 3 of 4 Intermediate

According to the European standard EN12056-4, what is the safest way to protect a building from sewer backflow?

Question 4 of 4 Intermediate

Why can bad odours occur in wastewater systems?

Question 4 of 4 Intermediate

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Correct
Q: What happens if there is no backflow prevention valve, or if one is installed below sewage level?
A: Flooded basements
Correct
Q: Which of the following is not a cause of water hammering noises in pipe systems?
A: Oversized piping
Correct
Q: According to the European standard EN12056-4, what is the safest way to protect a building from sewer backflow?
A: Lifting stations
Correct
Q: Why can bad odours occur in wastewater systems?
A: Open pump sumps