Question 1 of 6
Basic

What is an understanding of the load profile of your application essential for?

Question 2 of 6
Basic

What characterises a flat curve?

Question 3 of 6
Basic

What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?

Question 4 of 6
Basic

In their simplest forms, what do pump curves measure?

Question 5 of 6
Basic

What happens to the flow when the NPSH value increases?

Question 6 of 6
Basic

When selecting a pump for variable flow, what's imperative?

Question 6 of 6
Basic

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1: What is an understanding of the load profile of your application essential for?
Pump selection
1: What is an understanding of the load profile of your application essential for?
Your power bill
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1: What is an understanding of the load profile of your application essential for?
Water composition
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2: What characterises a flat curve?
When there are small changes in head resulting in large changes in flow
2: What characterises a flat curve?
When there are large changes in head resulting in large changes in flow
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2: What characterises a flat curve?
When there are small changes in head resulting in small changes in flow
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3: What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?
The specific duty point
3: What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?
The desired flow rate
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3: What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?
The total head
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4: In their simplest forms, what do pump curves measure?
Pressure and flow
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4: In their simplest forms, what do pump curves measure?
Flow and head
4: In their simplest forms, what do pump curves measure?
Flow and pressure
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5: What happens to the flow when the NPSH value increases?
It decreases
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5: What happens to the flow when the NPSH value increases?
It remains the same
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5: What happens to the flow when the NPSH value increases?
It increases as well
6: When selecting a pump for variable flow, what's imperative?
Looking for pumps which offer the best efficiency at lower more frequent flow
6: When selecting a pump for variable flow, what's imperative?
Selecting a pump with the best efficiency at the peak flow
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6: When selecting a pump for variable flow, what's imperative?
Looking for a pump with a constant duty point
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