Taxpayers

Question 1

taxpayer
t/f
wood truss get spongey prior to failure

Answer 1

false, fail with no warning

Question 2

taxpayers
sprinkler protection in sq/ft for following codes:
1938,1968,2008

Answer 2

1938= area exceeding 10,000sq/ft
1968= area exceeding 7,500sq/ft
2008=full building are exceeds 12,000sq/ft, combined area on all floors exceed 24,000sq/ft, occupancy within exceeds 7,500sq/ft, any area 3 stories above grade or in a high rise office, any area that has an unenclosed stair or escalator connecting 2 or more floors

Question 3

taxpayer

unprotected steel joist may collapse after __-__min

Answer 3

5-10min

Question 4

50’ steel “I” beam heated to 970degrees expand__”

Answer 4

50’ 970 degees expands 4”

*cooling a steel beam will regain strength

Question 5

100’ steel “I” beam heated to 100degrees expands ___”

Answer 5

100’, 1000degrees expands 9.5”

*cooling a steel beam will regain strength

Question 6

taxpayer
failure of which is the most severe
column, girder, or beam

Answer 6

column

Question 7

taxpayer

a bowstring truss may only support __% of what it was originally designed to,

Answer 7

40%

Question 8

taxpayer

heavy fire may lead to collapse in __min

Answer 8

20min

Question 9

taxpayer

what size hole in the roof?

Answer 9

8’x8’ or as large as possible

Question 10

taxpayer

cellar fire where does the 1st line go?

Answer 10

must be stretched to the interior basement stairs, if conditions permit go down interior stairs.
*flooding 1st floor with TL streams or monitors are a last resort

Question 11

taxpayer,

who ensures the sprinkler is supplied

Answer 11

3rd engine

Question 12

taxpayer

cellar fire, where does the 2nd line go

Answer 12

protect 1st line if they went downstairs, stretch to exterior cellar entrance if 1st line cant go down interior stairs.

Question 13

taxpayer,

where should the first 2 hoselines be stretched for a store fire? for a cockloft fire?

Answer 13

store/cockloft fire the 1st two hoseline should be stretched into the store

Question 14

T/F
taxpayer
in the event of a cellar fire or serious 1st floor fire where ops are doubtful and a trench cut may be advisable as a defensive measure if it is feared fire will eventually get into the cockloft

Answer 14

true

Question 15

taxpayer

at a store fire who brings a saw to the roof?

Answer 15

2nd roof

Question 16

taxpayer

at a cockloft fire who brings a saw to the roof?

Answer 16

1st and 2nd roof bring a saw

Question 17

taxpayer

at a cellar fire when the 1st floor is going to be cut, where should you cut?

Answer 17

as close to windows as possible away from doors and aisles

Question 18

taxpayer

cockloft fire, where does the 1st line go when fire is extending to exposure? what if not extending?

Answer 18

if extending to exposure then into exposure that is most seriously exposed, if not extending then into store under main body of fire

Question 19

taxpayer fire

what ladder companies shall bring 10’ and 12’ hooks with them?

Answer 19

all ladders other then 1st and 2nd

Question 20

taxpayer

3 situations for a second alarm?

Answer 20

extension to cockloft, extension to adjoining occupancy, or advanced fire in cellar

Question 21

___% of a room or fire area contains explosive mixtur for the entire area to explose

Answer 21

25%

Question 22

taxpayer

who shuts down the utilites>

Answer 22

1st ladder inside team (2 members go as a team)

Question 23

taxpayer, cellar fire, where do the 1st 2 trucks operate?

Answer 23

1st ladder inside team - goes into store above fire

2nd inside team - to adjacent stores to check for extension, perform search

Question 24

who can order the ventilation of the store front window

Answer 24

IC