3 questions Intermediate

ECADEMY test

204L - Diaphragm Tanks for VFD Booster Systems

This course test contains 3 questions and can be retaken at any time.

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Question 1 of 3 Intermediate

If you have been given pump and motor nameplate information, what additional piece of information will you need to accurately determine the maximum allowable starts per hour for that particular motor?

Question 2 of 3 Intermediate

You are specifying a booster system for a project with three pumps, each with a nominal flow of 120 gpm. Which size diaphragm tank is most likely to be recommended by the pump station manufacturer?

Question 3 of 3 Intermediate

If a diaphragm tank is not installed on the discharge side of a variable speed booster system, the pressure will hold if the pump is switched off before the flow goes to zero?

Question 3 of 3 Intermediate

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Correct
Q: If you have been given pump and motor nameplate information, what additional piece of information will you need to accurately determine the maximum allowable starts per hour for that particular motor?
A: Pump inertia
Correct
Q: You are specifying a booster system for a project with three pumps, each with a nominal flow of 120 gpm. Which size diaphragm tank is most likely to be recommended by the pump station manufacturer?
A: 34-gallon tank
Correct
Q: If a diaphragm tank is not installed on the discharge side of a variable speed booster system, the pressure will hold if the pump is switched off before the flow goes to zero?
A: False