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Technician Exam > Metro ESM2 > Flashcards

Metro ESM2 Flashcards

1
Q

How does the electric traction elevators used in the Metro System operate?

A

Hoisting motor that lowers the car

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2
Q

Cool air is supplied to an underground Metro Station when the temperature exceeds how many degrees Fahrenheit?

A

70

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3
Q

The Metro intrusion Detection and Warning System is divided in two zones that are approximately how long?

A

2000

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4
Q

Metro ventilation shafts that do not have a raised curb around the opening will have a flammable vapor and detection system located where?

A

at the base of the shaft

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5
Q

Is Halon 1301 heavier or lighter than air?

A

Heavier

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6
Q

The metro radio system code designation for a fire is?

A

Amber-Amber

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7
Q

The system for controlling train movement through the system consists of 3 control subsystems and a computerized central control facility at OOC. Which are the 3 subsystems?

A

Automatic train protection (ATP)
Automatic train supervision (ATS)
Automatic train operations (ATO)

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8
Q

How many Metrorail cars can a subway station handle in length?

A

8

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9
Q

In a subway station where does the demarcation between “free” and “revenue” occur?

A

Mezzanine

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10
Q

What is the primary means of evacuation from a metro station?

A

Escalators

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11
Q

A metro subway station could have up to how many elevator rooms?

A

4

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12
Q

To originate a call from the elevator care what button do you push?

A

The press to talk button

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13
Q

Should heat or smoke alarm activate and not be reset the fare gates will lock in the open position after how many seconds?

A

30

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14
Q

How wide is the bumpy Terrazzo tile surface on metro platform prior to entering the metro car?

A

24

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15
Q

When does the revenue side begin at the metro station?

A

When you pass through the fare gate

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16
Q

What does PERS stand for that located in the KIOSK?

A

Passenger emergency reporting system

17
Q

When passengers are trapped in metro elevators there is one employee that will try to free passengers from elevator prior to Fire/Rescue units. What employee is authorized to do this at the metro station?

A

Station Manager

18
Q

The elevators in use at metro stations are primarily intended for movement of handicapped person from street level to the mezzanine and to the platform level. There is one exception and that is what station in the metro system?

A

Forrest Glen station

19
Q

For how many hours is the fire resistance rating of metro passenger stations?

A

2

20
Q

The last 42 inches of the platform in a metro station closest to the track bed include how many inches of bumpy terrazzo tile surface and how many inches of granite surface?

A

24, 18

21
Q

The entrance to each Metrorail Station is marked by a distinctive bronze colored pylon with what at the top?

A

A lighted “M” on all four side at the top

22
Q

Where is the panel for monitoring any station’s fire and intrusion systems located?

A

The kiosk

23
Q

What is the normal length of an underground platform?

A

600 Feet

24
Q

In a metro station, if the heat or smoke alarm activates and is not reset, how long do the fare gates take to lock in the open position?

A

30 seconds

25
Q

All stations provide passengers with how many means of egress?

A

2

26
Q

To attempt to “free up” a stuck elevator, for how long should power be removed at the panel to the appropriate elevator?

A

15-20 seconds

27
Q

What does “Amber-Amber” mean?

A

The Metro radio system code designation for a fire

28
Q

The Electric Train line carries how much power between rail cars?

A

37.5 Volts

29
Q

Red Tag Third Rail Power removal is the procedure of removing third rail power by physically disengaging large circuit breakers in traction power substation and/or tie breakers. Who gives the approval to reinstate power?

A

Incident Commander

30
Q

Who is responsible for providing information to the media regarding the mitigation of an emergency in the Metro System?

A

Fire/Rescue Incident Commander

Technician Exam (7 decks)

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