What makes mixed flow impellers different from axial flow impellers?
At the very highest level, what are the two main types of pump?
What is a main disadvantage of a centrifugal pump?
What does QH curve show?
Can centrifugal pumps be connected directly to an asynchronous motor?
In a pump curve, head, power consumption, efficiency and NPSH are shown as a function of…
Test results
Congratulations. You have passed the test and completed the 36 - Basic Principles and Pump Types
Achieved badges:
Q: What makes mixed flow impellers different from axial flow impellers?
A: Mixed flow impellers deliver higher rotation speeds
Q: What makes mixed flow impellers different from axial flow impellers?
A: They subject the fluid to a degree of radial flow
Q: What makes mixed flow impellers different from axial flow impellers?
A: They’re not nearly as good as a fully axial flow impeller
Q: At the very highest level, what are the two main types of pump?
A: Vertical pumps and horizontal pumps
Q: At the very highest level, what are the two main types of pump?
A: Positive displacement pumps and centrifugal pumps
Q: At the very highest level, what are the two main types of pump?
A: Submersible and sanitary pumps
Q: Are axial flow impellers used in closed pump designs?
A: Yes
Q: Are axial flow impellers used in closed pump designs?
A: Sometimes
Q: Are axial flow impellers used in closed pump designs?
A: No
Q: What is a main disadvantage of a centrifugal pump?
A: They require a lot of maintenance
Q: What is a main disadvantage of a centrifugal pump?
A: They contain a lot of moving parts
Q: What is a main disadvantage of a centrifugal pump?
A: They cannot create suction by themselves
Q: What does QH curve show?
A: Flow at a given head
Q: What does QH curve show?
A: Head at a given flow
Q: What does QH curve show?
A: Overall efficiency
Q: In what year was the centrifugal pump invented?
A: 1689
Q: In what year was the centrifugal pump invented?
A: 1789
Q: In what year was the centrifugal pump invented?
A: 1923
Q: Can centrifugal pumps be connected directly to an asynchronous motor?
A: Yes
Q: Can centrifugal pumps be connected directly to an asynchronous motor?
A: No
Q: Can centrifugal pumps be connected directly to an asynchronous motor?
A: Only in the case of immersible pumps
Q: In a pump curve, head, power consumption, efficiency and NPSH are shown as a function of…
A: Performance
Q: In a pump curve, head, power consumption, efficiency and NPSH are shown as a function of…
A: The type of pump
Q: In a pump curve, head, power consumption, efficiency and NPSH are shown as a function of…
A: Flow