Metro ESM 06

Question 1

From the Metro ESM:

In the Metro system, what does to term “right of way” refer to?

Answer 1

The areas between the fences and tunnel walls, where the track bed is located

Question 2

From the Metro ESM:

In some instances a floating concrete track slab is used to __________.

Answer 2

lessen vibration and noise

Question 3

From the Metro ESM:

What are the “running rails” of the Metro constructed of and what function do they serve?

Answer 3

Constructed of a continuous welded steel rail that acts as a negative return for the electric traction power system

Question 4

From the Metro ESM:

What are the three terms used to refer to switches?

Answer 4

Shunt, Interlocking, or Crossover

Question 5

From the Metro ESM:

Should it be necessary to work in the interlocking you must block the switch using a:

Answer 5

2”x4”, 4”x4”, or 6”x6” cribbing angled to a point at one end

Question 6

From the Metro ESM:

When blocking is used in the iterlocking who must immediately be notified?

Answer 6

OCC

Question 7

From the Metro ESM:

What are Metro Chain Markers?

Answer 7

A system of measurements along the right-of-way

Question 8

From the Metro ESM:

Chain markers are located every __________ feet along the line.

Answer 8

100

Question 9

From the Metro ESM:

What does the letter on the chain marker identify?

Answer 9

Route

Question 10

From the Metro ESM:

345+00 indicates what distance from the center or hub of the line?

Answer 10

34,500 Feet

Question 11

From the Metro ESM:

How far apart are signs located in the tunnels to show the direction and distance to the next station or emergency exit?

Answer 11

800 Feet

Question 12

From the Metro ESM:

How far apart along the right of way on fences and gates are “Danger High Voltage” signs?

Answer 12

250 Feet

Question 13

From the Metro ESM:

How far apart are “no clearance” signs?

Answer 13

50 Feet

Question 14

From the Metro ESM:

What kind of standpipe systems are used in the Metro?

Answer 14

Wet standpipe systems for underground stations, Dry standpipe systems for at-grade stations, dry standpipe systems for aerial stations, and dry standpipe systems for tunnels.

Question 15

From the Metro ESM:

What are the 3 types of Tunnels?

Answer 15

Circular, Horseshoe, and Box

Question 16

From the Metro ESM:

What are the dimentions of a circular tunnerl?

Answer 16

16ft 6in

Question 17

From the Metro ESM:

What are the dimentions of Horseshoe tunnel?

Answer 17

15 Ft

Question 18

From the Metro ESM:

How wide is a safety walk?

Answer 18

22in

Question 19

From the Metro ESM:

What are the dimentions of a box single tunnel?

Answer 19

13ft 9in

Question 20

From the Metro ESM:

What are the dimentions of a box double tunnel?

Answer 20

29 Ft

Question 21

From the Metro ESM:

What is the distance between concrete access points in walls in a box tunnel?

Answer 21

25 Ft

Question 22

From the Metro ESM:

How many Ft are between toe holds and grab rails?

Answer 22

30 Ft

Question 23

From the Metro ESM:

Where are fluorescent lights normally?

Answer 23

opposite the 3rd rail

Question 24

From the Metro ESM:

What is the maximum distance of any exit emergency exit?

Answer 24

1250 Ft

Question 25

# From the Metro ESM: What is the maximum height of an emergency exit?

Answer 25

220 Ft

Question 26

# From the Metro ESM: How far apart are the fluorescent lights?

Answer 26

40 Ft

Question 27

# From the Metro ESM: In an event of power loss, how many other lights will be on in a tunnel?

Answer 27

Every 4th

Question 28

# From the Metro ESM: What is located under ever light?

Answer 28

110 volt 30 amp 3 prong outlet

Question 29

# From the Metro ESM: Can the outlets from under the fluorescent lights work when there is a power outage?

Answer 29

No

Question 30

# From the Metro ESM: What 3 thing need to be done before passengers are evacuated?

Answer 30

Contact with OCC, testing the 3rd rail with volt probe, and using the WSAD

Question 31

# From the Metro ESM: What keys can unlock the padlock on a at grade right of way fence?

Answer 31

#2595 or A389

Question 32

# From the Metro ESM: What is a common corridor?

Answer 32

section shared with other railroad lines

Question 33

# From the Metro ESM: At what angle the fence alarm go off?

Answer 33

30 degrees

Question 34

# From the Metro ESM: According to the Metro ESM how many inches is the safety walk way?

Answer 34

22 Inch Safety Walk with railings on each side.

Question 35

# From the Metro ESM: In each area Fire/Rescue personnel should refer to the _____ for best access to these structures 

Answer 35

Metrorail Emergency Response Maps

Question 36

# From the Metro ESM: With the exception of the ______ on the L Route (Yellow Line) between L'enfant PLaza and Pentagon, which is equipped with a dry standpipe sysytem, all other elevated right-of-way have no water supply systems

Answer 36

Potomac RIver Bridge

Question 37

# From the Metro ESM: Evacuating Passengers on the aerial right-of-way should only be attempted as a _______.

Answer 37

Last Resort

Question 38

# From the Metro ESM: The ________ doors and ladder can be utilized as the evacuation route?

Answer 38

Front Bulk Head

Question 39

# From the Metro ESM: Yard Operations Buliding contains what?

Answer 39

Offices

Question 40

# From the Metro ESM: Yard limits are normally will be marked by separate chain markers with either the identifier ____for yard track or _____ for lead track.

Answer 40

YT and LT

Question 41

# From the Metro ESM: What is the duty hours for a Yardmaster?

Answer 41

24 hours a day

Question 42

# From the Metro ESM: The 750 volt "DC" line that supplies the______ is located along the _____ of the service and inspection shop?

Answer 42

"DC"  and Ceiling

Question 43

# From the Metro ESM: Due to the________hazard Fire/Rescue personnel should refrain from using_______inside of the shop building

Answer 43

Electrical and Metal Ladders

Question 44

# From the Metro ESM: Train Control Equipment Facility contains what?

Answer 44

Computer equipment for train controls

Question 45

# From the Metro ESM: What is a Tie Breaker Station?

Answer 45

Utilized to control 750 volt "DC" power distribution in the yard.

Question 46

# From the Metro ESM: Where is the Motor Vehicle Access for the "A" LIne?

Answer 46

Access is from Somerville Drive off of Redland Rd or Rockville Pike (Rt 355)

Question 47

# From the Metro ESM: Where is the "B"Line loacted?

Answer 47

Between the revenue lines north of the Union Station Metro Station.

Question 48

# From the Metro ESM: Where is the access switches for the "B" Line?

Answer 48

Along track "B1 and B2"

Question 49

# From the Metro ESM: The Alexandria Service and Inspection Yard is located adjacent to the _______?

Answer 49

"J" Line

Question 50

# From the Metro ESM: Where is the 'E" Line located?

Answer 50

Greenbelt Service and Inspection Yard is located outside the Capital Beltway past the end of the revenue lines of the GreenBelt Station.

Question 51

# From the Metro ESM: Where is the Motor Vehicle Access to the 'F" Line Service and Inspection Yard?

Answer 51

off Auth Rd in Temple Hills MD

Question 52

# From the Metro ESM: Fire/Rescue units must provide their own ______ to the track bed?

Answer 52

Water Supply

Question 53

# From the Metro ESM: Passengers should be move to _________ cars in the consist or utilize a rescue train to move passengers to safety

Answer 53

Unaffected

Question 54

# From the Metro ESM: Plant maintenance building contains_______

Answer 54

Facilities maintenance equipment, offices, and workshops

Question 55

# From the Metro ESM: OCC does not have the access to______

Answer 55

Shut down the third rail power at the service yard

Question 56

# From the Metro ESM: Yard Trackage is normally broken down into sections_____?

Answer 56

according to uses

Question 57

# From the Metro ESM: All shop buildings are equipped with_________systems?

Answer 57

Fire Sprinkler

Question 58

# From the Metro ESM: The yard areas do not contain__________boxes

Answer 58

Emergency Trip Stations (ETS) boxes