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Lieutenant Test > Metrorail Emergencies > Flashcards

Metrorail Emergencies Flashcards

1
Q

What is a short section of third rail found just beyond some station platforms used to ensure uniform train acceleration?

A

Accelerator rail (kicker rail)

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2
Q

These rooms are found in all Metro stations, they receive electricity from the utility company and distribute it for station and rail roadway use.

A

AC switchboard room

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3
Q

How often are chain marker signs displayed?

A

100 feet

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4
Q

What does a chain marker sign denote?

A

Distance in feet from the HUB

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5
Q

How many collector shoes (paddles) are there per rail car?

A

4 shoes per car

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6
Q

What is it called when a train uses kinetic energy from train movement generating current at the traction motors and it is then dissipated by the resistor grids?

A

Dynamic braking

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7
Q

Under what seats are the emergency evacuation kits located in every car?

A

Right, rear, double sided seat

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8
Q

What is the max distance to an emergency exit?

A

1,250 feet

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9
Q

Blue light stations are located approximately how far from each other along the rail roadway and from the station

A

800 feet

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10
Q

What is a device that converts battery power to AC energy?

A

Inverter

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11
Q

What is the process called when moving a rail car away from the platform to free a trapped victim?

A

Lateral jacking

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12
Q

Which series metrorail cars is, at a minimum, a four-car consist?

A

7000 series

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13
Q

What is the acronym for a battery-operated vehicle used for rail transportation of emergency response or WMATA personnel and equipment?

A

MERV (mobile emergency response vehicle)

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14
Q

What is the name for the terminus for automatic train control information, trouble alarms, and radio transmissions?

A

Rail Operations Control Center (ROCC)

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15
Q

What is the procedure called of removing third rail power by physically disengaging large circuit breakers in Traction Power Substations and/or Tie Breaker stations?

A

Red Tag Third Rail Power Removal

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16
Q

What is the name of steel rail that has been manufactured or welded in lengths of up to one half mile or more which has a tendency to recoil to its designed position if broken?

A

Ribbon rail

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17
Q

Approximately how many volts are in the third rail used to power the trains?

A

750 volts DC

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18
Q

How many metro stations are there in Northern Virginia?

A

25 stations

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19
Q

Which Metro line shares a common corridor with the CSXT Railroad?

A

Blue line (J line)

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20
Q

Which Metro line shares a common corridor with I66?

A

Orange line (K line)

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21
Q

Which Metro rail car series are modified for revenue handling?

A

8000 series

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22
Q

What is the length, width, and height of a Metro car?

A

75’ long, 10’ tall, 10’ wide

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23
Q

What is the maximum number of rail cars in a consist?

A

8

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24
Q

How are Metro rail cars identified and numbered?

A

They are either A or B cars. A cars have even numbers, B cars have odd numbers

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25
Q

What is the maximum length of a station platform?

A

600 feet

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26
Q

What is the floor of a Metro rail car made of?

A

Two sheets of stainless steel with ¾-inch plywood and insulation in between

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27
Q

How many door panels does each rail car have?

A

14 door panels

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28
Q

Which way do bulkhead doors open?

A

Inward

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29
Q

When opening bulkhead doors with the XX barrel key, it is necessary to ensure the top and bottom deadbolt door handles are in what position?

A

Vertical

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30
Q

How are Metro car doors numbered?

A

Starting directly behind the operator’s cab, door panels are numbered 1-6, the opposite side is numbers 7-12

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31
Q

Which doors can be opened from the outside with the use of the XX barrel key on the Metro key ring?

A

Doors numbered 2, 8, and 9

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32
Q

Which doors can passengers and emergency crews open by using the manual pull handles?

A

The center doors, 3 and 9

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33
Q

Which doors can be opened using the Emergency External Door Release (EEDR)?

A

1000-6000 series cars doors 4 and 9, 7000 series cars doors 3 and 10

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34
Q

What color is the self-evacuation door release handle?

A

Orange

35
Q

How many fire extinguishers are on each rail car and where are they located?

A

Two extinguishers, one in operators cab the other under the last seat opposite the operators cab near the rear bulkhead door where the A and B cars are coupled

36
Q

What size dry chemical extinguisher is on each rail car?

A

4A-60BC extinguisher

37
Q

How many communications systems are in each rail car and what are they?

A

Two, intercoms and metro radios

38
Q

What are the three types of stations within the Metrorail system?

A

Aerial or elevated, surface or at-grade, and subsurface or underground

39
Q

What are the different types of station platforms within the Metrorail system?

A

Side-load platform center track, center load platform side-track, split platform multiple level, or combination

40
Q

What are the approximate dimensions of each station platform?

A

60’ wide by 600’ long

41
Q

What are the three distinct types of electrical systems within the Metrorail system?

A

Traction power, AC power, and battery power

42
Q

What is the battery power used for?

A

Emergency lighting and communications during power outage

43
Q

What room has restricted access and FRD personnel must contact Metro for access even in the event of an emergency? Why?

A

AC switchboard room because of high voltage 34,500 volts (Dominion Virginia Power)

44
Q

At what percentage is emergency lighting as compared to normal lighting?

A

25%, every fourth light in the tunnel

45
Q

What is the fire rating of the Metro stations?

A

2 hour rating, non-combustible material

46
Q

At what intervals are FDC hose valves located in Metro tunnels and under the station platforms?

A

200’ intervals

47
Q

What are the two types of sprinkler systems found within the Metro system?

A

Wet pipe and deluge, deluge systems are found under escalators

48
Q

How long does a station manager have to react to a fire alarm before the Automatic Public Address Announcement System (APAAS) in-bound escalators stop and PA announcement is made?

A

2 minutes

49
Q

How does normal ventilation occur in the Metro tunnels and underground stations?

A

Train movement and mechanical fans

50
Q

What are the two modes of mechanical ventilation during emergency conditions?

A

Supply mode or exhaust mode depending upon need

51
Q

The primary method of air-exchange in the Metro tunnels is through train movement, what is this called?

A

The piston effect

52
Q

Who assumes control of the fans during an emergency?

A

The IC

53
Q

What are the four settings of the ventilation fans?

A

Emergency exhaust, Emergency supply, Automatic operation, and Off

54
Q

When activation is requested, how long does it take for the fans to start?

A

40-60 seconds

55
Q

Where are the Knox Rapid Entry Key Boxes located at each Metro station?

A

On the first flat wall to the right of the main entrance after the entry gate

56
Q

If a key is not available to access the entry gate, what should FRD personnel do to gain access to the Knox Box?

A

Cut the chain link closest to the lock, do not cut the lock

57
Q

What are the two normal means and two emergency means to evacuate each Metro station?

A

Entrance escalators or rail cars, and emergency exit shaft and vent shaft

58
Q

Wayside phones are found in the Emergency Trip Switch (blue light, ETS) boxes located along the Rail Roadway at intervals of how many feet?

A

800 feet

59
Q

What number do you press on a Metro wayside phone to be connected to ROCC?

A

0

60
Q

What cell phone service provider is compatible for use in underground Metro tunnels?

A

Verizon Wireless

61
Q

ROCC controls all Metro conference lines, up to how many callers can the conference line accept?

A

10 callers

62
Q

Each cell phone reduces the maximum number of callers on the Metro conference line by how many?

A

3

63
Q

What the blue light boxes contain?

A

Wayside telephone to communicate with the ROCC, Emergency Trip Button (red button) to deactivate third rail power. and a power removal map.

64
Q

When should the red mushroom button inside the ETS be pushed?

A

When there is an imminent threat to life safety

65
Q

Chain markers are located every ___ along the Rail Roadway.

A

100 feet. Starting from a center point or hub station.

66
Q

The last resort for passenger evacuation for either Rail Roadway, aerial, or tunnel is what?

A

Discharging passengers in the rail roadway, onto an aerial roadway, or into the tunnel. During which the 3rd rail must be deenergized

67
Q

All personnel shall wear and carry what prior to operating anywhere in the Metro system?

A

Reflective gear and carry a handlight.

68
Q

How far apart should flaggers be on metro incidents?

A

750 feet

69
Q

WSAD shall be placed no greater than what from the incident

A

500 feet

70
Q

What is the minimum resources assigned to an EMS incident in the RRW?

A

1 Transport unit, 1 Engine, 1 Truck, 1 Rescue, 1BC, 1EMS Sup

71
Q

Should the location of the incident be in RRW or track bed, who shall establish command?

A

First arriving officer

72
Q

What is the minimum compliment assigned to a structure fire or railcar fire, collision, derailment ( both below and above grade) ?

A

5 Engines
2 Trucks
2 EMS
2Rescues
2 BC
1 Safety officer/command aide
1 Tech Rescue
1 EMS Sup

73
Q

What is the primary responsibility for the first due Engine?

A

Conduct recon along with the 2nd Engine and 1st Truck

74
Q

What info should the first due officer obtain from the senior Metrorail official?

A

Exact location and nature of the incident
Status of the 3rd rail
Status of the train movement
ETA of the Metro on-scene commander
Location of any and all required keys

75
Q

Once the Recon group is given permission to the reported incident location the sit report shall include what?

A

Exact location via chain marker
Nature and severity of incident
Assistance required
Status of the third rail
Location of another access point if beneficial

76
Q

The overall strategy for a Metro emergency can be organized into what 4 steps?

A

ACRE
Access
Control
Rescue
Evacuate/EMS

77
Q

Every station standpipe connection has an ID plate that identifies what?

A

Shaft number, Maximum vertical drop, Maximal run of the piping.

78
Q

Truck Co will most likely be concerned with what responsibilities

A

Safety supervision, ems, logistical and support functions

79
Q

What are the flaggers distance on both metro and railroads

A

750 feet for metro and 2 miles for other railroad incidents

80
Q

What is the standard railroad signal instructing the operator to stop?

A

Swing the lighted handlight or flare horizontally from side to side

81
Q

What are the 2 basic types of rescue incidents that may occur at Metro?

A

Entrapment in machinery or entrapment involving trains

82
Q

What is the ETEC?

A

The Emergency Tunnel Evacuation Cart is a nonmotorized device used to remove non ambulatory passengers from the site

83
Q

What is a MERV?

A

Mobile Emergency Response Vehicle. It operates on railroad tracks and can only be used by metro.

Lieutenant Test (19 decks)

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