1
What kind of pumps would normally NOT have a radial flow impeller?
3
What does ‘NPSH’ stand for in the NPSH-curve?
4
What type of pump is a dosing pump?
7
What does QH curve show?
8
At the very highest level, what are the two main types of pump?
Test results
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01.
Q: What kind of pumps would normally NOT have a radial flow impeller?
A: Circulating pumps
01.
Q: What kind of pumps would normally NOT have a radial flow impeller?
A: Immersible pumps
01.
Q: What kind of pumps would normally NOT have a radial flow impeller?
A: Sewage treatment pumps
02.
Q: Are axial flow impellers used in closed pump designs?
A: Yes
02.
Q: Are axial flow impellers used in closed pump designs?
A: Sometimes
02.
Q: Are axial flow impellers used in closed pump designs?
A: No
03.
Q: What does ‘NPSH’ stand for in the NPSH-curve?
A: Net potential surface heat
03.
Q: What does ‘NPSH’ stand for in the NPSH-curve?
A: Net peripheral suction height
03.
Q: What does ‘NPSH’ stand for in the NPSH-curve?
A: Net positive suction head
04.
Q: What type of pump is a dosing pump?
A: A membrane pump
04.
Q: What type of pump is a dosing pump?
A: An AUTOADAPT pump
04.
Q: What type of pump is a dosing pump?
A: A centrifugal pump
05.
Q: How much of the world’s total volume of water is fresh water?
A: 72%
05.
Q: How much of the world’s total volume of water is fresh water?
A: About 50%
05.
Q: How much of the world’s total volume of water is fresh water?
A: 3.5%
06.
Q: How many main pump types dose Grundfos produce?
A: 3
06.
Q: How many main pump types dose Grundfos produce?
A: 10
06.
Q: How many main pump types dose Grundfos produce?
A: 12
07.
Q: What does QH curve show?
A: Flow at a given head
07.
Q: What does QH curve show?
A: Head at a given flow
07.
Q: What does QH curve show?
A: Overall efficiency
08.
Q: At the very highest level, what are the two main types of pump?
A: Vertical pumps and horizontal pumps
08.
Q: At the very highest level, what are the two main types of pump?
A: Positive displacement pumps and centrifugal pumps
08.
Q: At the very highest level, what are the two main types of pump?
A: Submersible and sanitary pumps