12 Relay pumping operations Flashcards
1
Q
Water supply pumpers should be the apparatus with the ___ pumping capacity. Source pumper
A
Largest
2
Q
Relay distance
Total number or pumpers needed
P=
A
P= R /D + 1
3
Q
$$$
It is advisable for the driver operator to maintain an intake pressure of __ to __ PSI as a relay pumper.
A
20-30 psi
4
Q
Two types of relay methods
A
Open- dropped tanks
closed- sometimes a task force