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

Which of the following is NOT a way to reduce friction losses?

Question 2 of 6 Basic

If a pump’s head is 20 metres, how high can the pump lift the water?

Question 3 of 6 Basic

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

Question 4 of 6 Basic

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

Question 5 of 6 Basic

What does friction loss refer to?

Question 6 of 6 Basic

Why is it an advantage to mount your pump to a fixed base?

Question 6 of 6 Basic

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Q: Which of the following is NOT a way to reduce friction losses?
A: Reduce the flow
02: Lower the pump inlet
03: Increase the pipe size
Q: Which of the following is NOT a way to reduce friction losses?
A: Lower the pump inlet
Q: Which of the following is NOT a way to reduce friction losses?
A: Increase the pipe size
01: Reduce the flow
02: Lower the pump inlet
Q: If a pump’s head is 20 metres, how high can the pump lift the water?
A: 10m
02: 20m
03: 30m
Q: If a pump’s head is 20 metres, how high can the pump lift the water?
A: 20m
Q: If a pump’s head is 20 metres, how high can the pump lift the water?
A: 30m
01: 10m
02: 20m
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 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: 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: Why is it an advantage to mount your pump to a fixed base?
A: A steady pump operates more efficiently