Question 1 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 2 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 3 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

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1: 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?
True
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1: 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?
False
2: 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?
Pump maximum working pressure
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2: 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?
Diaphragm tank size
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2: 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?
Pump inertia
2: 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?
Motor no-load current
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3: 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?
5-gallon tank
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3: 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?
14-gallon tank
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3: 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?
34-gallon tank
3: 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?
64-gallon tank
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