Question 1 of 4
Intermediate

In what situation would the SCALA2 be most useful?

Question 2 of 4
Intermediate

How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?

Question 3 of 4
Intermediate

Incorrectly sized and selected pumps in rainwater harvesting systems can increase energy consumption by up to how much?

Question 4 of 4
Intermediate

Which of the following is an essential rainwater harvesting requirement?

Question 4 of 4
Intermediate

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1: In what situation would the SCALA2 be most useful?
The pump needs to be submerged in the rainwater collection tank
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1: In what situation would the SCALA2 be most useful?
The pump needs to accommodate multiple outlets being used at the same time
1: In what situation would the SCALA2 be most useful?
The pump needs to accommodate a single outlet
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2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
10-35%
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2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
40-70%
2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
75-95%
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3: Incorrectly sized and selected pumps in rainwater harvesting systems can increase energy consumption by up to how much?
20%
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3: Incorrectly sized and selected pumps in rainwater harvesting systems can increase energy consumption by up to how much?
40%
3: Incorrectly sized and selected pumps in rainwater harvesting systems can increase energy consumption by up to how much?
60%
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4: Which of the following is an essential rainwater harvesting requirement?
Rainwater harvesting systems must treat their collected water supply before use.
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4: Which of the following is an essential rainwater harvesting requirement?
Rainwater harvesting system should never be used after dark.
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4: Which of the following is an essential rainwater harvesting requirement?
Rainwater harvesting systems should always keep rainwater separate from mains water supply