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Related Flashcards
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Cards In This Set
| Front | Back |
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Rear-mount pumps may be powered by either a ________ transmission or by a _____________
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Split-shaft
power take-off
|
|
Primary components of the piping systems are ______________, _______________, ______________, and _________________
|
Intake piping
discharge piping
pump drains
valves
|
|
NFPA 1901, components of the piping system must be of a _________________ material
|
Corrosion-resistant
|
|
Piping systems are constructed of __________, ____________, _____________, or _____________
|
Cast iron
brass
stainless steel
galvanized steel
|
|
Piping system(as well as the _____ itself) must be able to withstand a hydrostatic test of ______ psi
|
Pump
500 psi
|
|
NFPA 1901 states that piping should be sized so that pumpers with a capacity of 500 gpm or less should be capable of flowing _____ gpm from their booster tank
|
250 gpm
|
|
Pumpers with capacities greater than 500 gpm should be able to flow at least _____ gpm
|
500 gpm
|
|
Pumpers today are equipped with tank-to-pump lines as large as _______inches
|
4 inches
|
|
Tank-to-pump valve: if it leaks, priming the pump when the tank is empty is impossible because air from the ______ is drawn into the _____ and no vacuum is established
|
Tank
pump
|
|
Pump must be ________ when drafting from a ______ water supply
|
Primed
static
|
|
Priming: removing all or most of the air from the pump thus lowering the __________ pressure within the ___________
|
Atmospheric pressure
pump casing
|
|
Primer is tapped into the pump at a _____ point on the ______ side or the _____________
|
High point
suction side
impeller eye
|
|
All intake lines to a ________ pump are normally located _____ the eye of the _______
|
Centrifugal pump
below
impeller
|
|
Intake piping: as the piping nears the pump itself, it typically tapers to a ______________. This is to eliminate the _________
|
Square point
vortex
|
|
Pumps that have a capacity of _______ gpm or greater may require more than ____ large intake connection at each location
|
1500 gpm
one
|
