8 вопросы Средний

Тест ECADEMY

Groundwater Pumping

Этот тест содержит 8 вопросы и пересдать в любое время.

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Вопрос 1 из 8 Средний

1 What is the most effective way to stay updated on your pump’s condition?

Вопрос 6 из 8 Средний

6 What should the minimum flow past the motor be to ensure sufficient motor cooling?

Вопрос 7 из 8 Средний

7 How does over- and under voltage, phase unbalance and phase loss impact the pump motor?

Вопрос 8 из 8 Средний

8 What may cause friction loss in the pipes?

Вопрос 8 из 8 Средний

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Correct
Q: What is the most effective way to stay updated on your pump’s condition?
A: Remote online monitoring
Correct
Q: What could be the consequences of using an undersized pump in a well?
A: he pump may not be able to deliver the required
Correct
Q: Why is it a good idea to make a well where the groundwater level is as high as possible?
A: The shorter the distance is to the water the less expensive it is to make the borehole and subsequently to pump the water to the surface
Correct
Q: What can be done to the well if sand continues to enter a well after the well development has been carried out?
A: The well driller can try to run the pump at its maximum capacity in short periods of time over a couple of days
Correct
Q: What is well development?
A: A process that ensures that the well’s sand filter has been improved so the well produces clean, sand-free water
Correct
Q: What should the minimum flow past the motor be to ensure sufficient motor cooling?
A: 0,15 m/s
Correct
Q: How does over- and under voltage, phase unbalance and phase loss impact the pump motor?
A: It raises the motor temperature, reducing the lifetime
Correct
Q: What may cause friction loss in the pipes?
A: Scaling