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 1 of 8 Basic

How many main pump types dose Grundfos produce?

Question 4 of 8 Basic

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

Question 5 of 8 Basic

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

Question 7 of 8 Basic

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

Question 8 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:

How would you rate this course?

You are welcome to add your rating of this course. We will include your feedback in the next evaluation of the course content.

Continue training Go to MyECADEMY

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

How would you rate this course?

You are welcome to add your rating of this course. We will include your feedback in the next evaluation of the course content.

Correct
Q: How many main pump types dose Grundfos produce?
A: 10
Correct
Q: What does QH curve show?
A: Head at a given flow
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: How much of the world’s total volume of water is fresh water?
A: 3.5%
Correct
Q: What kind of pumps would normally NOT have a radial flow impeller?
A: Sewage treatment pumps
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: What does ‘NPSH’ stand for in the NPSH-curve?
A: Net positive suction head