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Questions and Answers
According to the formula, how many pumpers are needed if the distance is 1800 feet?
According to the formula, how many pumpers are needed if the distance is 1800 feet?
- 4
- 3 (correct)
- 2
- 5
What is the initial pressure placed on the discharge line to the next pumper in the relay?
What is the initial pressure placed on the discharge line to the next pumper in the relay?
- 100 PSI
- 50 PSI (correct)
- 75 PSI
- 25 PSI
What is the minimum compound gauge pressure that the pump operator of the source pumper should maintain?
What is the minimum compound gauge pressure that the pump operator of the source pumper should maintain?
- 5 PSI (correct)
- 20 PSI
- 10 PSI
- 15 PSI
What is the minimum intake pressure on other intermediate relay pumpers?
What is the minimum intake pressure on other intermediate relay pumpers?
According to the text, what is the maximum stretch between pumpers in a relay for a 5" line company?
According to the text, what is the maximum stretch between pumpers in a relay for a 5" line company?
What is the approximate capacity of the pumps in the relay for a 5" line company?
What is the approximate capacity of the pumps in the relay for a 5" line company?
What is the maximum discharge pressure for 5" line companies in a relay?
What is the maximum discharge pressure for 5" line companies in a relay?
What should fireground commanders and company officers be aware of when deciding which master streams can be utilized?
What should fireground commanders and company officers be aware of when deciding which master streams can be utilized?
Which type of pumper is allowed to be used as the fireground pumper in a relay operation?
Which type of pumper is allowed to be used as the fireground pumper in a relay operation?
What is the initial pressure placed on the discharge lines at the beginning of a relay operation?
What is the initial pressure placed on the discharge lines at the beginning of a relay operation?
What is the maximum discharge pressure of a 5" line relay?
What is the maximum discharge pressure of a 5" line relay?
What is the minimum compound gauge reading that the source pumper should maintain?
What is the minimum compound gauge reading that the source pumper should maintain?
Which type of hydrant is recommended to be connected to the source pumper in a relay operation?
Which type of hydrant is recommended to be connected to the source pumper in a relay operation?
What is the recommended stretch between relay pumpers in a relay operation?
What is the recommended stretch between relay pumpers in a relay operation?
What is the purpose of the dump/discharge line in a relay operation?
What is the purpose of the dump/discharge line in a relay operation?
What is the guideline for setting up a relay in terms of city blocks coverage?
What is the guideline for setting up a relay in terms of city blocks coverage?
Which one of the following best defines relay pumping?
Which one of the following best defines relay pumping?
What is the purpose of a relay procedure in firefighting?
What is the purpose of a relay procedure in firefighting?
When are relaying operations typically required?
When are relaying operations typically required?
In which situations might a relay operation be necessary in the city of Philadelphia?
In which situations might a relay operation be necessary in the city of Philadelphia?
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