Training Bulletin 7 Flashcards
1
Q
What are the physical differences between spray streams and straight streams?
A
Size of the water droplets, shape of the stream and effective reach
2
Q
What determines the efficiency of extinguishment?
A
Surrounding temperatures, physical conditions of the fire area, and size and energy of the water droplets.
3
Q
What ratio does water turn into steam?
A
1 to 1700
4
Q
How much vapor does one gallon of water produce?
A
227 cubic feet
5
Q
How many BTU’s does 1 gallon of water absorb?
A
9330 BTUs
