Evolving Fire Ch6

Question 1

1) The average time for every experiment, from the time of ventilation to the time of the onset of firefighter untenability conditions, yields ____ seconds for a one story house and ____ seconds for a two story house.

Answer 1

a. 100, 200

Question 2

2) In many experiments the onset of firefighter untenability to flashover was less than ___ seconds.

Answer 2

10

Question 3

3) In many installations the top layer may be a rubberized membrane, which has been known to __ ___ and ____

Answer 3

a. Off gas, ignite

Question 4

4) Safety guidelines published by Bayer Material Science, a spray foam manufacturer warn that burning foam can release - ______, ____ ____, _____ _____, ____ _____ and ____ _____, among other compounds.

Answer 4

a. Isocyanates, carbon monoxide, carbon dioxide, nitrogen oxides, hydrogen cyanide

Question 5

5) It may be nearly impossible to detect ____ during size up.

Answer 5

SPF

Question 6

6) SPF smoke with be ____ not brown

Answer 6

a. Black

Question 7

7) One tactic not routinely used on residential construction is the ___ or _____ ____ cut

Answer 7

a. Kerf, Triangle inspection

Question 8

8) The ____ and _______ in the foam panels used for insulation is the biggest issue.

Answer 8

a. Polystyrene, polyisocyanurate

Question 9

9) Research shows that the two story wall fire were extinguished with approximately ___ gallons of water.

Answer 9

50

Question 10

10) (ISBU) Many of these containers are also being used in what are considered green construction projects by builders who want to achieve ______ in _____ and ____ ____ certification and ratings

Answer 10

a. Leadership in Energy and Environmental Design (LEED)

Question 11

11) LEED requires that at least ____% of the hardscape of development be shaded or designed with ____ materials

Answer 11

a. 50, Permeable

Question 12

12) LEED communities are being designed as ____ communities, they are also limiting the number of ___ ____.

Answer 12

a. Walkable, Parking spaces

Question 13

13) (solar) the systems can generate even at ____.

Answer 13

a. Night

Question 14

14) _____ and many other sources of UV light may produce electricity.

Answer 14

a. Streetlights

Question 15

15) According to UL research project on photovoltaic installations and firefighter safety, it was found that a ____ ____ should be used on solar panel fires

Answer 15

a. Broken stream

Question 16

16) The electrical shock hazard due to the application on water is dependent on ____, ___ ____, ___, and ___ ___.

Answer 16

a. Voltage, water conductivity, distance, spray pattern

Question 17

17) ____ water should not be used on live electrical equipment

Answer 17

a. Salt

Question 18

18) A distance of ___ ft had been determined to reduce potential shock hazard from a 1000 Vdc source to a level below __ considered as safe.

Answer 18

a. 20ft, 2 mA

Question 19

19) (engineered lumber) Testing shows that collapse could occur between ___ and ___ minutes with direct flame impingement.

Answer 19

a. 4 and 6