6 questions Basic

## ECADEMY test

### 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

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

Question 2 of 6 Basic

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

Question 3 of 6 Basic

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

Question 4 of 6 Basic

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

Question 5 of 6 Basic

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

Question 6 of 6 Basic

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

Question 6 of 6 Basic

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Q: If a pump’s head is 20 metres, how high can the pump lift the water?
A: 10m
01: 10m Your answer
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
03: 30m Your answer
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
02: A source of airflow Your answer
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: Which of the following is NOT a way to reduce friction losses?
A: Reduce the flow
01: Reduce the flow Your answer
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
03: Increase the pipe size Your answer
Q: Does it create a noise inside the pump when vapourised water molecules implode?
A: No
01: No Your answer
02: Yes
Q: Does it create a noise inside the pump when vapourised water molecules implode?
A: Yes
Q: What should you generally avoid excessive use of when working with pipework?
A: Stainless steel material
01: Stainless steel material Your answer
02: Elbows and bends
03: Heating boxes
Q: What should you generally avoid excessive use of when working with pipework?
A: Elbows and bends
Q: What should you generally avoid excessive use of when working with pipework?
A: Heating boxes
01: Stainless steel material
02: Elbows and bends
03: Heating boxes Your answer
Q: What happens if you double both the pump’s flow and the head?
A: The energy usage remains the same
01: The energy usage remains the same Your answer
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
02: The energy usage is doubled Your answer
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