1
Why is it important to position mixers correctly?
2
Which of these describe the specific mixing power?
3
What is the main purpose of a closed loop tank?
4
What are deadzones?
5
Which of these isn’t a main target for wastewater mixers?
Test results
Congratulations. You have passed the test and completed the Mixing in Wastewater Treatment
Achieved badges:
01.
Q: Why is it important to position mixers correctly?
A: To prevent the propellers from breaking
01.
Q: Why is it important to position mixers correctly?
A: To neutralise vortices
01.
Q: Why is it important to position mixers correctly?
A: To maximise the total bulk flow
02.
Q: Which of these describe the specific mixing power?
A: The ratio between the propeller power and the liquid volume
02.
Q: Which of these describe the specific mixing power?
A: The ratio between the liquid volume and the solid particles
02.
Q: Which of these describe the specific mixing power?
A: The ratio between the propeller power and propeller size
03.
Q: What is the main purpose of a closed loop tank?
A: To create a steady, circulated flow
03.
Q: What is the main purpose of a closed loop tank?
A: To ensure a more energy-efficient solution
03.
Q: What is the main purpose of a closed loop tank?
A: To prevent damaging backflow
04.
Q: What are deadzones?
A: Areas that are compromised during the mixing process
04.
Q: What are deadzones?
A: Areas consisting of infected water
04.
Q: What are deadzones?
A: Areas in which the homogeneity is high
05.
Q: Which of these isn’t a main target for wastewater mixers?
A: To blend liquid with solid particles
05.
Q: Which of these isn’t a main target for wastewater mixers?
A: To ensure quick drainage from the tank
05.
Q: Which of these isn’t a main target for wastewater mixers?
A: To keep solid particles in suspension
06.
Q: How much was the average velocity of the volume improved by?
A: 20%
06.
Q: How much was the average velocity of the volume improved by?
A: 25%
06.
Q: How much was the average velocity of the volume improved by?
A: 30%