Wildland Ch 12 - Water Supplies and Operations

Question 1

What do you do to a dry hydrant before drafting from it?

Answer 1

Flow into it to dislodge anything in the strainer

Question 2

Lightweight, single jacket, and collapsible attack hose

Answer 2

Forestry fire hose

Question 3

Used to take advantage of flowing water that is above the fire

Answer 3

Gravity sock

Question 4

Portable pumps can supply what gpm

Answer 4

500

Question 5

Each pump operates independently and the flow is dependent on individual pump ratings

Answer 5

Staged setup

Question 6

What are the three portable pump flow setups

Answer 6

Staged, parallel, and series

Question 7

pump configurations utilized to increase the volume of water

Answer 7

parallel setup

Question 8

dual pump effort used when increasing pressure

Answer 8

Series setup

Question 9

Discharge from one pump is hooked into intake of another

Answer 9

series

Question 10

Pump to discharge hose lay

Answer 10

Simple hoselay

Question 11

What are the two most common types of wildland hoselays

Answer 11

simple and progressive

Question 12

designed to quickly and continuously move water from the anchor point to the fire without having to shut off water at the pump

Answer 12

Progressive hoselay

Question 13

Water or water and soil together to extinguish burning materials

Answer 13

Wet mop up

Question 14

Science of water in motion and at rest

Answer 14

Hydraulics

Question 15

What is the initial mop up depth

Answer 15

50ft

Question 16

What is the common mop up depth

Answer 16

200ft

Question 17

total pressure needed to overcome all friction, appliances and elevation loss or gain while maintaining adequate nozzle pressure

Answer 17

Pump discharge pressue

Question 18

basic pdp formula

Answer 18

pdp = np + FL

Question 19

friction loss formula

Answer 19

fl = coefficent x quantity of water in gpm squared x length of hose in feet