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

20%

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

40%

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

60%

2: Which of the following is not a typical method used in rainwater harvesting systems?

Water is collected in a storage tank and pumped directly to points of use

2: Which of the following is not a typical method used in rainwater harvesting systems?

Water is collected in a storage tank and fed by gravity to points of use

2: Which of the following is not a typical method used in rainwater harvesting systems?

Water is collected from the roof guttering and pumped directly down to the points of use.

3: Which of the following statements is true?

SCALA2's compact size recudes time spent on installaions in limited or awkward spaces.

3: Which of the following statements is true?

SB/A pumps are extremey difficult to install

3: Which of the following statements is true?

SCALA1 requires no direct power supply

4: Which of the following is not a common cause of insufficient water pressure in rainwater harvesting system pumps?

Incorrect pipe dimensioning

4: Which of the following is not a common cause of insufficient water pressure in rainwater harvesting system pumps?

Poor pump control

4: Which of the following is not a common cause of insufficient water pressure in rainwater harvesting system pumps?

Oversized pump