Shared Flashcard Set

Details

0701
LP 190 LAFD Nozzles
15
Other
Professional
10/25/2007

Additional Other Flashcards

 


 

Cards

Term
At __________ degrees Fehrenheit, a cubic foot of water expands approximately ___________ times it's original volume.
Definition
  1.  212 degrees
  2. 1,700 times
Term
True or False
The greater the surface area the more rapidly heat is absorbed?
Definition
True
Term

What is identified as a force or energy that may be measured in PSI?

Definition
pressure
Term

What are the 3 types of pressure?

Definition
  1. Static Pressure
  2. Flow Pressure
  3. Residual Pressure
Term
The pressure of water without motion or standing still?
Definition
Static pressure
Term
The forward velocity pressure at a discharge while water is flowing?
Definition
Flow Pressure
Term
That part of the total available presure that is not used to overcome friction or gravity while forcing water through pipe, fittings, fire hose, adapters?
Definition
Residual pressure
Term
The pressure lost while forcing water through pipe, fittings, fire hose and adapters?
Definition
Friction loss
Term
The discharge quantity of water issued from an opening is calculated in?
Definition
GPM
Term
The momentary nozzles reaction when the nozzle is first opened is ________ greater then the reaction after water is flowing?
Definition
20%
Term
What is it called when the flow of water in a hose line is suddenly stopped?
Definition

water hammer

Term
It is important to close nozzles _________?
Definition
slowly
Term
The 2 1/2" with a 1 1/4" tip has a gpm of?
Definition
325
Term
What is the GPM of the heavy stream
1 1/2"
1 3/4"
2"
Definition
  1. 600 GPM
  2. 800 GPM
  3. 1000 GPM
Term
What is the GPM of the heavy stream spray tip?
Definition
500 GPM Fog hog

350-1000 variable gpm
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