6 questions Basic

### 75 - The Extended Basic Hydraulic Principles Course

This course test contains 6 questions and can be retaken at any time.

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

Question 1 of 6 Basic

What happens if you double both the pump’s flow and the head?

Question 2 of 6 Basic

Does it create a noise inside the pump when vaporised water molecules implode?

Question 3 of 6 Basic

Which measuring unit is flow typically measured in?

Question 4 of 6 Basic

What can you add to a pump to prevent it from dry-running?

Question 5 of 6 Basic

What does friction loss refer to?

Question 6 of 6 Basic

What should you generally avoid excessive use of when working with pipework?

Question 6 of 6 Basic

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Q: What happens if you double both the pump’s flow and the head?
A: The energy usage remains the same
02: The energy usage is doubled
03: The energy usage is quadrupled
Q: What happens if you double both the pump’s flow and the head?
A: The energy usage is doubled
01: The energy usage remains the same
03: The energy usage is quadrupled
Q: What happens if you double both the pump’s flow and the head?
A: The energy usage is quadrupled
Q: Does it create a noise inside the pump when vaporised water molecules implode?
A: No
02: Yes
Q: Does it create a noise inside the pump when vaporised water molecules implode?
A: Yes
Q: Which measuring unit is flow typically measured in?
A: m2
02: l/min
03: m3/h
Q: Which measuring unit is flow typically measured in?
A: l/min
01: m2
03: m3/h
Q: Which measuring unit is flow typically measured in?
A: m3/h
Q: What can you add to a pump to prevent it from dry-running?
A: A float switch
Q: What can you add to a pump to prevent it from dry-running?
A: A source of airflow
01: A float switch
03: Nothing, you can only use pumps with built-in dry-running protection
Q: What can you add to a pump to prevent it from dry-running?
A: Nothing, you can only use pumps with built-in dry-running protection
01: A float switch
02: A source of airflow
03: Nothing, you can only use pumps with built-in dry-running protection Your answer
Q: What does friction loss refer to?
A: A rapid decrease of flow and increase of pressure
01: A rapid decrease of flow and increase of pressure Your answer
02: The formation of air bubbles in the moving liquid
03: Contact between the moving liquid and its enclosure
Q: What does friction loss refer to?
A: The formation of air bubbles in the moving liquid
01: A rapid decrease of flow and increase of pressure
02: The formation of air bubbles in the moving liquid Your answer
03: Contact between the moving liquid and its enclosure
Q: What does friction loss refer to?
A: Contact between the moving liquid and its enclosure
Q: What should you generally avoid excessive use of when working with pipework?
A: Stainless steel material