8 questions Basic

ECADEMY test

Basic Principles and Pump Types

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

You must answer all questions correctly to pass the test and complete the course.

Start test

Question 3 of 8 Basic

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

Question 4 of 8 Basic

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

Question 5 of 8 Basic

Are axial flow impellers used in closed pump designs?

Question 6 of 8 Basic

How many main pump types dose Grundfos produce?

Question 7 of 8 Basic

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

Question 8 of 8 Basic

Happy with your answers?

Submit your current answers and get the final test result.

Submit

Test results

Congratulations. You have passed the test and completed the Basic Principles and Pump Types

Achieved badges:

Continue training Go to MyECADEMY

Sorry. You did not pass the Basic Principles and Pump Types test this time

Correct
Q: What makes semi-axial flow impellers different from axial flow impellers?
A: They subject the fluid to a degree of radial flow
Correct
Q: What is a main disadvantage of a centrifugal pump?
A: They cannot create suction by themselves
Correct
Q: In a pump curve, head, power consumption, efficiency and NPSH are shown as a function of…
A: Flow
Correct
Q: How much of the world’s total volume of water is fresh water?
A: 3.5%
Correct
Q: Are axial flow impellers used in closed pump designs?
A: No
Correct
Q: How many main pump types dose Grundfos produce?
A: 10
Correct
Q: What does ‘NPSH’ stand for in the NPSH-curve?
A: Net positive suction head
Correct
Q: What does QH curve show?
A: Head at a given flow