Fire Steams

Question 1

as water is applied to fire it expands?

Answer 1

1700 times its original volume

Question 2

causes of increased friction loss

Answer 2

damage couplings, kinks/sharp bends, elevation, valves and nozzle partially open, diameter of hose vs. length of lay

Question 3

how is friction loss overcome?

Answer 3

increasing hose size, adding additional parallel homeliness, or increasing pump pressure

Question 4

how are fire stream patterns identified?

Answer 4

size and type

Question 5

what are the four essential elements of a fire stream?

Answer 5

pump, hose, nozzle, and water/agent

Question 6

Whats the gpm of a low volume stream?

Answer 6

less than 40 gpm

Question 7

whats the range of handling stream gpm?

Answer 7

40-350 gpm

Question 8

whats the gpm of master streams?

Answer 8

more than 350 gpm

Question 9

What are the operation pressures on solid stream nozzles?

Answer 9

50 psi on landlines and 80 psi on master streams

Question 10

Operating pressure of fog nozzles?

Answer 10

100psi

Question 11

Types of broken stream nozzles?

Answer 11

rotary distributor nozzles, cellar nozzles, piercing nozzles