Chapter 5 Quiz

Question 1

Is considered to be virtually incompressible and its weight varies at different temperatures

Answer 1

Water

Question 2

It can cool or absorb heat from the fire, as well as smother it

Answer 2

Water

Question 3

A large amount of heat is required to change water to steam, allowing more heat to be

Answer 3

Absorbed from the fire

Question 4

At 212 water converted to steam occupies approximately

Answer 4

1700 times it’s original volume

Question 5

Atmospheric pressure at sea level is considered to be

Answer 5

14.7 psi

Question 6

While water is flowing from a discharge opening, the forward velocity pressure is considered

Answer 6

Flow pressure

Question 7

Reduce friction loss

Answer 7

Reduce the length of the lay and increase the diameter of the hose

Question 8

When a fire hydrant receives water from two or more directions it is said to have a

Answer 8

Circulating feed or looped line

Question 9

Valves in private fire protection systems are usually of the indicating type. Two common indicator valves are the

Answer 9

Post indicator valve and OS&Y outside stem and yoke

Question 10

These are the valves most commonly used on most public water distribution systems

Answer 10

Nonindicating

Question 11

In general the private water supply system exists for one of the following three reasons

Answer 11

To provide water strictly for fire protection services

To provide water for sanitary and fire protection services

To provide water for fire protection and manufacturing processes