Ch. 14 - Water Supply Systems

Question 1

How many gallons of water do fire department tankers usually carry?

Answer 1

1000-3500

Question 2

How much water do fire department engines usually carry?

Answer 2

At least 500 gallons

Question 3

If a portable tank is self-expanding, fire fighters may need to hold onto the what while it’s being filled?

Answer 3

The collar

Question 4

What is the class and flow available for a red hydrant?

Answer 4

Class C - less than 500 gpm

Question 5

What is the class and flow available for a Orange hydrant?

Answer 5

Class B - 500-999 gpm

Question 6

What is the class and flow available for a green hydrant?

Answer 6

Class A - 1000-1499 gpm

Question 7

What is the class and flow available for a light blue hydrant?

Answer 7

Class AA - 1500gpm+

Question 8

Which term is used to describe the properties of energy, pressure, and water flow as related to fire suppression?

Answer 8

Fire Hydraulics

Question 9

The most common water distribution system is?

Answer 9

combination pumped/gravity

Question 10

How many gallons per minute can a water shuttle deliver?

Answer 10

several hundred

Question 11

What is the term for the top of a hydrant?

Answer 11

bonnet

Question 12

when is a water shuttle appropriate?

Answer 12

large volume needed for extended period of time

Question 13

What are the smallest pipes called in a water distribution system?

Answer 13

distributors

Question 14

what is the most common size of hose outlets on hydrants?

Answer 14

2.5 or larger

Question 15

what should fire fighters hold onto while filling a self-expanding water storage tank?

Answer 15

the collar

Question 16

what type of valve is opened or closed by turning the handle a quarter turn?

Answer 16

butterfly