Fire Suppression Systems

Question 1

ETEC cart weight

Answer 1

165 lbs

Question 2

ETEC cart max load

Answer 2

1000 lbs

Question 3

ETEC cart capacity

Answer 3

4 passengers “supine”

Question 4

ETEC cart brake system

Answer 4

deadman

Question 5

ETEC cart wheels

Answer 5

10 inch flanged “non conductive”

Question 6

ETEC cart material

Answer 6

aluminum alloy

Question 7

ETEC cart max load on top

Answer 7

250 lbs

Question 8

how metro support units do we have in the metro area

Answer 8

3

Question 9

where are the metro support units located

Answer 9

Arlington,VA
PG, MD
DC

Question 10

what does each support unit in metro carry?

Answer 10

30 SCBA pack and 30 SCBA cylinders

Question 11

ETEC stands for

Answer 11

emergency tunnel evacuation cart

Question 12

WSAD white paddle

Answer 12

running rails

Question 13

WSAD red paddle

Answer 13

third rail

Question 14

how do you arm the WSAD?

Answer 14

placing it on it’s back (strobe up)

Question 15

WSAD stands for?

Answer 15

warning strobe and alarm device

Question 16

the horn on the WSAD goes off when it detects______volts

Answer 16

50

Question 17

the strobe on the WSAD goes off when it detects________volts

Answer 17

400

Question 18

110v volt receptacles are located where?

Answer 18

under every other fluorescent light (80 ft)

Question 19

where do you stand while using the volt probe?

Answer 19

between the running rails

Question 20

volt probe (what probe goes to the running rails)?

Answer 20

red

Question 21

volt probe (what probe goes to the third rail)?

Answer 21

black

Question 22

while using the volt probe, always keep eye contact with what?

Answer 22

third rail

Question 23

(volt probe) always remove the _______prong first

Answer 23

black

Question 24

tunnels have dry chem extinguishers located where?

Answer 24

under ETS boxes

Question 25

halon or Co2 extinguishers are located where?

Answer 25

train control rooms

Question 26

all OS&Y valve are chained in the _______position

Answer 26

open

Question 27

tunnels have wet or dry standpipe?

Answer 27

dry

Question 28

piping for standpipe outlets are painted what color?

Answer 28

red

Question 29

standpipe location in the tunnel are located every_______ft

Answer 29

200

Question 30

whenever any of the (tunnel, aerial or surface) standpipe system is charged with water, who is notified?

Answer 30

metro, so they can drain it and get it back in service after use, and prevents frozen pipes

Question 31

hose valves are located under the platform at _______ft intervals

Answer 31

200

Question 32

what station has no under the platform standpipe system?

Answer 32

Rhode island ave

Question 33

what is engraves on hose valve man hole covers?

Answer 33

“standpipe”

Question 34

standpipes in sub-surface stations are wet or dry?

Answer 34

wet

Question 35

deluge sprinklers are located in escalator pans of ________entry stations

Answer 35

single

Question 36

system activation of the deluge system is by

Answer 36

ionization smoke detectors (top and bottom)

Question 37

discharge nozzles are located every______vertical feet

Answer 37

50

Question 38

each nozzle discharges _____gallon of water per minute

Answer 38

5

Question 39

what is replacing halon in metro?

Answer 39

fm 200

Question 40

halon systems are used to protect what?

Answer 40

sensitive equipment, (communications rooms, AC switchboard rooms, DC breaker and traction power rooms

Question 41

the decomposition of halon begins at what temperature?

Answer 41

900 degrees