8 questions Basic

ECADEMY test

Basic Principles and Pump Types

This course test contains 8 questions and can be retaken at any time.

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Question 1 of 8 Basic

1 In a pump curve, head, power consumption, efficiency and NPSH are shown as a function of…

Question 2 of 8 Basic

2 What does ‘NPSH’ stand for in the NPSH-curve?

Question 3 of 8 Basic

3 How many main pump types dose Grundfos produce?

Question 6 of 8 Basic

6 How much of the world’s total volume of water is fresh water?

Question 8 of 8 Basic

8 What kind of pumps would normally NOT have a radial flow impeller?

Question 8 of 8 Basic

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Correct
Q: In a pump curve, head, power consumption, efficiency and NPSH are shown as a function of…
A: Flow
Correct
Q: What does ‘NPSH’ stand for in the NPSH-curve?
A: Net positive suction head
Correct
Q: How many main pump types dose Grundfos produce?
A: 10
Correct
Q: Sanitary pumps are used in the…
A: Food and beverage industry
Correct
Q: What is a main disadvantage of a centrifugal pump?
A: They cannot create suction by themselves
Correct
Q: How much of the world’s total volume of water is fresh water?
A: 3.5%
Correct
Q: What does QH curve show?
A: Head at a given flow
Correct
Q: What kind of pumps would normally NOT have a radial flow impeller?
A: Sewage treatment pumps