Question 1 of 4
Intermediate

Which of the following statements is true?

Question 2 of 4
Intermediate

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

Question 3 of 4
Intermediate

How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?

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: Which of the following statements is true?
SCALA2's compact size recudes time spent on installaions in limited or awkward spaces.
1: Which of the following statements is true?
SB/A pumps are extremey difficult to install
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1: Which of the following statements is true?
SCALA1 requires no direct power supply
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2: Incorrectly sized and selected pumps in rainwater harvesting systems can increase energy consumption by up to how much?
20%
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2: Incorrectly sized and selected pumps in rainwater harvesting systems can increase energy consumption by up to how much?
40%
2: Incorrectly sized and selected pumps in rainwater harvesting systems can increase energy consumption by up to how much?
60%
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3: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
10-35%
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3: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
40-70%
3: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
75-95%
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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