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John Questions > METRO SERVICES > Flashcards

METRO SERVICES Flashcards

1
Q

Passenger stations are constructed of non-combustible materials with a fire resistance rating of at least ______.
A. 1 hour
B. 2 hours
C. 3 hours
D. 4 hours

A

B. 2 hours
Passenger stations are constructed of non-combustible materials with a fire resistance rating of at least 2 Hours

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2
Q

Station platforms are made of red and brown Terrazzo tile. The last __ inches of the platform closest to the track bed includes a __ inch bumpy Terrazzo tile surface and an __ inch granite surface.

A

Station platforms are made of red and brown Terrazzo tile. The last 42 inches of the platform closest to the track bed includes a 24 inch bumpy Terrazzo tile surface and an 18 inch granite surface.

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3
Q

Most subway stations are approximately __ feet wide with ___ foot long platform capable of handling an __ car train. They vary in height from __ to __ feet above the track surface.

A

Most subway stations are approximately 60 feet wide with 600 foot long platform capable of handling an eight car train. They vary in height from 30 to 35 feet above the track surface.

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4
Q

The _________ level is where the fare card machines and the faregates are located
A. Entrance level
B. Mezzanine level
C. Platform level

A

B. Mezzanine

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5
Q

The farecard machines is also where the demarcation between “_____” and “______” occurs.

A

The farecard machines is also where the demarcation between “free” and “revenue” occurs.

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6
Q

Kiosks are located near the _______.

A

Kiosks are located near the faregates

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7
Q

The kiosk is approximately __feet across and is ________ in shape.

A

The kiosk is approximately 9 feet across and is octagonal in shape.

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8
Q

True or false
The kiosk is a suitable command post

A

TRUE

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9
Q

On the platform level Emergency Trip Stations (ETS) are located __________.

A

On the platform level emergency trip stations are located at each end of the station platform.

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10
Q

Passenger Emergency Reporting System (PERS) are located along the station platforms. These communication devices allow immediate contact with the _______, and the kiosk when the red button is pushed.

A

Passenger Emergency Reporting System (PERS) are located along the station platforms. These communication devices allow immediate contact with the station manager, and the kiosk when the red button is pushed.

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11
Q

Standpipe access can also be made at the end of the platforms in the _________.

A

Standpipe access can also be made at the end of the platforms in the red equipment cabinets, where installed and on the floors covered by manhole covers every 200’

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12
Q

__________ are considered the primary means of emergency evacuation.
A. Elevators
B. Escalators
C. Fan Shafts
D. Vent Shafts

A

B.
Escalators are considered the primary means of emergency evacuation.

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13
Q

Should the heat or smoke alarms activate and not be reset the fair gates will lock in the open position after _______
A. 30 Seconds
B. 60 Seconds
C. 90 Seconds
D. 2 minutes

A

A. 30 Seconds
Should the heat or smoke alarms activate and not be reset the fair gates will lock in the open position after 30 seconds

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14
Q

The elevators and you said metro stations are primarily intended for the movement of handicap persons from ____________ to the ___________ and then the ___________

A

The elevators and you said metro stations are primarily intended for the movement of handicap persons from the street level to the mezzanine and then the platform level

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15
Q

True or false
Electro hydraulic elevators used in the metro system normally travel short distances

A

TRUE

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16
Q

To access the elevator machine room use the metro key ring. The ________ will open the door.

A

Master Key

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17
Q

True or false
The station manager will attempt to free trap passengers on a elevator prior to the arrival of fire rest units

A

TURE

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18
Q

The first step in trying to free passengers from a trapped elevator is ?

A

Locate the appropriate elevator machine room. Shut the main electrical power down and wait 15 to 20 seconds. Restore power to the elevator and some cases this may free a stocker overheated relay and restore the elevator to normal operations.

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19
Q

On a electric traction elevator, the counterweight system is ____ greater than the weight of the car and it’s expected maximum load.

A

On a electric traction elevator, the counterweight system is 40% greater than the weight of the car and it’s expected maximum load.

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20
Q

In the elevator machine room to communicate during elevator emergencies, you must use the ________ located in the elevator machine room

A

In the elevator machine room to communicate during elevator emergencies, you must use the PABX phone located in the elevator machine room

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21
Q

True or false
No direct communication with the elevator is available from the elevator machine room.

A

TRUE

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22
Q

_________ are the primary means of entry to and exit from metro stations

A

Escalators are the primary means of entry to and exit from metro stations

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23
Q

Escalator keys are on the Metro key ring which are located in every stations Knox box. They will have “ESC” marked on the key for identification.

A

Escalator keys are on the ________ which are located in every stations Knox box. They will have “___” marked on the key for identification.

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24
Q

The majority of injuries involving the escalators come from _____, or passengers being caught in the _________

A

The majority of injuries involving the escalators come from Falls, or passengers being caught in the step components

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25
Q

Most of the escalators used in the metric system are of ________ design

A

Most of the escalators used in the metric system are of modular design

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26
Q

The average width of escalators is __ inches and they rise at an incline of __° . The normal speed of escalators is approximately _______ per minute

A

The average width of escalators is 40 inches and they rise at an incline of 30° . The normal speed of escalators is approximately 90 feet per minute

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27
Q

Embarkation lights are located at the top and bottom of the escalators where the steps flatten out within _________of the plate. The lights are located beneath the steps and are __________ in color.

A

Embarkation lights are located at the top and bottom of the escalators where the steps flatten out within 16 inches of the plate. The lights are located beneath the steps and are greenish yellow in color.

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28
Q

Single access stations those with only one set of escalators to access the station, have an automatic fire suppression system,”_____________” system installed in the escalator pan beneath the support truss

A

Single access stations those with only one set of escalators to access the station, have an automatic fire suppression system,”Deluge Sprinkler” system installed in the escalator pan beneath the support truss

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29
Q

The sprinkler shut off controls for as escalator are located in the ___________.

A

The sprinkler shut off controls for as escalator are located in the escalator pit

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30
Q

True or False
There are no escalators shut down buttons in the kiosk

A

TRUE
The two methods of emergency stop for an escalator are
1. depress the emergency stop button
2. utilize the escalator key on the key ring

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31
Q

The Right of Way can be best described as the areas __________________________.

A

The Right of Way can be best described as the areas between the fences and tunnel walls where the track bed is located

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32
Q

Track beds consist of _________ or _______ and ______

A

Track beds consist of concrete or ballast and ties

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33
Q

The running rails used by metro are continuous welded steel rail. They also act as the _________ return for the electrical traction power system.

A

The running rails used by metro are continuous welded steel rail. They also act as the negative return for the electrical traction power system.

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34
Q

A chain marker is located every _____ feet along the line. Measurements start from a__________ or a______ of the line.

A

A chain marker is located every 100 feet along the line. Measurements start from a centerpoint or a hub of the line.

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35
Q

On a chain marker the first letter is used to identify the ________

A

On a chain marker the first letter is used to identify the route

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36
Q

On a chain marker the second number is used to identify the ___________

A

On a chain marker the second number is used to identify the track number (inbound or outbound)

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37
Q

ETS boxes are located about every ____ feet in the tunnels

A

ETS boxes are located about every 800 feet in the tunnels

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38
Q

Danger high voltage signs are located approximately every ____ feet along the right away on fences and gates to provide warning of electrical hazard

A

Danger high voltage signs are located approximately every 250 feet along the right away on fences and gates to provide warning of electrical hazard

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39
Q

No clearance signs will appear every __ feet in the areas of no clearance

A

No clearance signs will appear every 50 feet in the areas of no clearance

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40
Q

The three types of below grade tunnels are _______,_________, and_____ (cut and cover)

A

The three types of below grade tunnels are circular, horseshoe, and box (cut and cover)

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41
Q

A horseshoe type tunnel is carved at a rock. They are __ feet wide for single track tunnels. The safety walk is typically __ inches and width.

A

A horseshoe type tunnel is carved at a rock. They are 15 feet wide for single track tunnels. The safety walk is typically 22 inches and width.

42
Q

The Box (cut and cover) type is dug from the surface down and then covered with earth. They are _____ wide for single track configuration and ___feet wide for double wide tunnel crossover access every ___ feet.

A

The Box (cut and cover) type is dug from the surface down and then covered with earth. They are 13’9” wide for single track configuration and 29 feet wide for double wide tunnel crossover access every 25 feet.

43
Q

True or false
Walkways usually 22 inches wide are usually located opposite of third rail

A

TRUE

44
Q

The remainder of the walkways that appear in underground portion of the system are ___ inches below the left the level of the rail car exit doors that would require personnel to assist passenger stepping down safely

A

The remainder of the walkways that appear in underground portion of the system are 39 inches below the left the level of the rail car exit doors that would require personnel to assist passenger stepping down safely

45
Q

In a single entry underground station, there will be an emergency exit shaft, located _______________________.

A

In a single entry underground station, there will be an emergency exit shaft, located opposite of the main entrance

46
Q

The maximum travel distance to any emergency exit shaft will be _____ feet. There are three exceptions to this rule

A

The maximum travel distance to any emergency exit shaft will be 1250 feet There are three exceptions to this rule

47
Q

All tunnels are equipped, fluorescent lights. They are spaced at ___ foot interval above the safety walkways.

A

All tunnels are equipped, fluorescent lights. They are spaced at 40 foot interval above the safety walkways.

48
Q

In the event, electrical power is lost. Every ______ fluorescent light is fed by emergency battery power. This battery is designed to operate for up to ______ hours.

A

In the event, electrical power is lost. Every 4th fluorescent light is fed by emergency battery power. This battery is designed to operate for up to 3 hours.

49
Q

True or false
The outlets do not operate when electrical power is lost in the tunnel. They are not connected to emergency backup battery system

A

TRUE

50
Q

For evacuation, it is preferred that passengers be moved to the _________ if possible

A

For evacuation, it is preferred that passengers be moved to the nearest station if possible

51
Q

Evacuation of people from the train into the tunnel was only recommended as a _________.

A

Evacuation of people from the train into the tunnel was only recommended as a last resort

52
Q

Passenger should be moved in the __________ fresh air is being supplied and _____ from smoke removal

A

Passenger should be moved in the direction where fresh air is being supplied and away from smoke removal

53
Q

Tilt boxes are also attached to the fence posts at various intervals for at grade tracks. When a fence post is tilted more than __° from vertical and alarm is transmitted

A

Tilt boxes are also attached to the fence posts at various intervals for at grade tracks. When a fence post is tilted more than 30° from vertical and alarm is transmitted

54
Q

Railcar maintenance and repair facilities operate outside the control of the OCC. They have separate control tower at fall under the control of the_________ for that facility

A

Railcar maintenance and repair facilities operate outside the control of the OCC. They have separate control tower at fall under the control of the yardmaster for that facility.

55
Q

Yard limits normally will be marked by separate chain markers with either the identifier YT for _______ or LT for _______

A

Yard limits normally will be marked by separate chain markers with either the identifier YT for yard track or LT for lead track

56
Q

The service and inspection shop buildings contain a “________” 750 Volt system that allows power to be to supply to the rail cars to move them in and out of the building. This is usually the largest building in the complex.

A

The service and inspection shop buildings contain a “stinger” 750 Volt system that allows power to be to supply to the rail cars to move them in and out of the building. This is usually the largest building in the complex.

57
Q

True or False
Traction power substations do not contain emergency trip stations (ETS) boxes

A

TRUE

58
Q

The only area of the shop complex that contains ETS boxes is the ___________.

A

The only area of the shop complex that contains ETS boxes is the rail car wash rack area

59
Q

The metro rail system has three distinct types of electrical systems the first and most important to the fire rescue services is the ______________.

A

The metro rail system has three distinct types of electrical systems the first and most important to the fire rescue services is the traction power system.

60
Q

What are the three types of distinct electrical systems?

A

First: traction power system (Third Rail)
Second: is the AC power system that provides electrical power to running lights, ventilation and any other services not directly involved with propelling the rail cars
Third: battery powered system for emergency

61
Q

The power supplied by two utility companies

A

Potomac electric power
Virginia power

62
Q

The third rail is approximately _____inches higher than the regular rail

A

The third rail is approximately 4 1/2 inches higher than the regular rail

63
Q

The electric power is fed to the third rail by a series of cables, which are covered by _______. They are ______ or ______ and color.

A

The electric power is fed to the third rail by a series of cables, which are covered by “potheads”. The potheads are orange or yellow and color.

64
Q

A gray protective fiberglass covers located over the third rail covers ready to withstand _____ pounds per inch of force

A

A gray protective fiberglass covers located over the third rail covers ready to withstand 250 pounds per inch of force

65
Q

The maximum length of a section of the third rail is _____ feet

A

The maximum length of a section of the third rail is 800 feet

66
Q

In the ETS box is a ______________ button. This button is used to trip breakers in the traction power substation to shut down electrical power.

A

In the ETS box is a red mushroom button. This button is used to trip breakers in the traction power substation to shut down electrical power.

67
Q

Third rail power can be safely removed in two different ways. The preferred way is ___________ .The second is the red mushroom button.

A

Third rail power can be safely removed in two different ways. The preferred way is contacting OCC via telephone .The second is can be used and the red mushroom button.

68
Q

Testing procedure for a vault probe. First step is ______________________

A

Testing procedure for a vault probe the first step is inspect the vault probe check for brakes or damages to the lead or meter. Second is test on a outlet

69
Q

Outlets can be found under every other fluorescent light in the tunnel, approximately every ___ feet

A

Outlets can be found under every other fluorescent light in the tunnel, approximately every 80 feet

70
Q

Testing with the volt probe.
Place the red prong in contact with the _________ rail, extend the black prong to the _________ rail

A

Testing with the volt Probe
Place the red prong in contact with the running rail, extend the black prong to the third rail

71
Q

The first step in the procedure to use a WSAD is ?

A

Operate the test which is on the unit and check the horn and strobe light to ensure they work

72
Q

The white electrode paddle connects to the ________ rail, the red electrode paddle connects to the _______ rail

A

The white electrode paddle connects to the running rail, the red electrode paddle connects to the third rail

73
Q

The procedure for extended power down operations is called “ ________ “

A

The procedure for extended power down operations is called “ Red Tag “

74
Q

The running rail is not a true earth ground. The possibility of stray current exists. The voltage involved can be as great as __ Volts and is not lethal, but can be shocking.

A

The running rail is not a true earth ground so the possibility of stray crime exists. The voltage involved can be as great as 60 V and is not lethal, but can be shocking.

75
Q

There are three types of electrical loads found in the metro system.
__________ loads
__________ loads
__________ loads

A

There are three types of electrical loads found in the metro system.
non-essential loads
essential loads
emergency loads

76
Q

The three emergency loads are?

A

The three emergency loads are ?communications equipment
emergency lighting,
train control systems

77
Q

__________ controls the day-to-day operations of the metro system

A

Operations control center OCC controls the day-to-day operations of the metro system

78
Q

In a tunnel emergency.The tunnels emergency battery power will operate ___% of the lighting above the safety walk

A

In a tunnel emergency.The tunnels emergency battery power will operate 25% of the lighting above the safety walk

79
Q

OCC controls all area known as_______ areas. By definition of ______ areas include the rails and the stations from one end of the line to the opposite end of the line and areas where passengers have access to ride the system

A

OCC controls all area known as revenue areas. By definition of revenue areas include the rails and the stations from one end of the line to the opposite end of the line and areas where passengers have access to ride the system

80
Q

Wayside telephone system can be found in the ___________.

A

Wayside telephone system can be found in the ETS “blue light” boxes

81
Q

PABX phones are not part of the Wayside telephone system. They are found in the ___________, ________ and also in the __________. They are normally _____ color.

A

PABX phones are not part of the Wayside telephone system. They are found in the service room, fan shafts and also in the station kiosk. They are normally tan color.

82
Q

The microphone for the public address system is located in the ______.

A

The microphone for the public address system is located in the kiosk

83
Q

The station manager will have ____ minutes to react to a fire alarm a chime tone activates for __ seconds reset attempt occurs for __ seconds. If the reset fails will continue for another ___seconds

A

The station manager will have two minutes to react to a fire alarm a chime tone activates for 90 seconds reset attempt occurs for 10 seconds. If the reset fails will continue for another 20 seconds.

84
Q

The ventilation system is maintained under two distinct conditions:_____ and_______

A

The ventilation system is maintained under two distinct conditions: normal and emergency

85
Q

The primary method of air exchange in the tunnels is _____________

A

The primary method of air exchange in the tunnels is movement of the trains through the tunnels

86
Q

TUNNEL ventilation is achieved by four different modes of operation :

A

Tunnel ventilation is achieved by four different modes of operation :
low temp mode (below 50 F)
normal temp mode(50 -90 F)
high temp mode(above 95 F)
emergency mode(Dampers open Orr In control by OCC)

87
Q

Station Venting,. Cool air supplied to the station when temperatures exceed __°F when outside temperatures drop below __° thermostat controls automatically stopped the fans and close the dampers

A

Station Venting,. Cool air supplied to the station when temperatures exceed 70°F when outside temperatures drop below 70° thermostat controls automatically stopped the fans and close the dampers

88
Q

When fire operation is complete. The fan should be returned to the “_______” mode so that future operations can be controlled by OCC

A

When fire operation is complete. The fan should be returned to the “automatic” mode so that future operations can be controlled by OCC

89
Q

The fan shafts contain 2 to 7 60 inch 50,000 CFM_______ or 35,000 CFM _______ fans.

A

The fan shafts contain 2 to 7 60 inch 50,000 CFM exhaust or 35,000 CFM supply fans.

90
Q

The controls of the fans are electric/ pneumatic . When activation is requested it normally takes __ to __ seconds for the fans to actually start

A

The controls of the fans are electric/ pneumatic . When activation is requested it normally takes 40 to 60 seconds for the fans to actually start

91
Q

True or False
It is advisable to have fresh air pushed into the exit route for evacuations

A

TRUE

92
Q

The flammable and vapor alarm is calibrated so that a WARNING is transmitted at __% of the lower flammable limit and ALARM is transmitted when __% of the lower flammable limit is reached

A

The flammable and vapor alarm is calibrated so that a WARNING is transmitted at 20% of the lower flammable limit and ALARM is transmitted when 40% of the lower flammable limit is reached

93
Q

___________ systems are being used to replace Halon

A

FM 200 systems are being used to replace Halon

94
Q

The sprinkler system in the escalator pan are located every __ vertical feet along the escalator pan. Each nozzle is rated at __ gallons per minute discharge

A

The sprinkler system in the escalator pan are located every 50 vertical feet along the escalator pan. Each nozzle is rated at 5 gallons per minute discharge

95
Q

Which of the following standpipe systems are wet system?
A. Sub-Surface
B. Surface
C. Arial
D. Tunnel Standpipe

A

A. Sub- Surface

96
Q

Tunnel Stand Pipe connections are located every___ feet

A

Tunnel Stand Pipe connections are located every 200 feet

97
Q

All OS&Y valves are chained and locked in the ______ position to ensure proper operation

A

All OS&Y valves are chained and locked in the open position to ensure proper operation

98
Q

The ETEC maximum load is _______ pounds. The maximum load to be placed on top tray of the ETEC is ___ pounds

A

The ETEC maximum load is 1000 pounds. The maximum load to be placed on top tray of the ETEC is 250 pounds

99
Q

The metro support unit carries __ SCBA with 60 minute duration and __ spare 60 minute SCBA air bottles

A

The metro support unit carries 40 SCBA with 60 minute duration and 40 spare 60 minute SCBA air bottles

100
Q

The metro radio system code designation
Amber-Amber=
Black-Black=
Grey-Grey=
Purple-Purple=

A

Amber-Amber=Fire
Black-Black=Collision or Derailment
Grey-Grey=Smoke
Purple-Purple=personin train bed or struck by train

John Questions (10 decks)

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