Chapter V Flashcards
1
Q
According to the author, relay operations are necessary whenever there is_________________
A
- excessive friction loss or excessive back pressure due to elevation
2
Q
Which of the following also figures into the relay operations equation
A
- Elevation
3
Q
When setting up two different relays it is important to note that
A
- Completely separate water sources should be used
4
Q
When relay pumping for pressure keep in mind_________________.
A
- how important it is to not overwork the equipment or in an unsafe way
5
Q
After the maximum discharge pressure is chosen the next step in relay operations is to_______________.
A
- subtract the nozzle pressure and 20 psi for the needed intake pressure at the next pumper
6
Q
The maximum discharge pressure of ____ psi is recommended for each pumper due to the fact that the hose is usually pressure tested at______ psi
A
- 200, 250
