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X’trap Traction > Misc > Flashcards

Misc Flashcards

1
Q

What lock is used on a cab door?

A

V29P

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2
Q

Do the cab doors automatically lock?

A

Yes, they automatically slam-lock

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3
Q

What are the three modes the Saloon lighting can be turned to?

A

-Normal
-Half
-Emergency

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4
Q

Can the saloon lighting be turned fully off?

A

No, only to emergency

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5
Q

What are the three positions of the Cab lighting?

A

-Off
-Cab (fluorescent)
-Desk (spotlight)

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6
Q

How do you distinguish the A and B sides from inside a trailer car?

A

2 small yellow air conditioner lights on A side wall (next to door 2)

A=aircon lights

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7
Q

What is the roof mounted equipment on a motor car?

A

-HVACs
-Resistor Grids

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8
Q

What is the roof mounted equipment on a trailer car?

A

-Pantograph
-HVACs
-Lightning Arrestor
-2 High Speed Circuit Breakers (HSCB)

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9
Q

What isolating cocks are located on the Auxiliary Pneumatic Panel?

A

-Whistle
-Uncoupling
-Trip Cock Reset
-Trip Cock Active
-Auxiliary Pneumatic Panel

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10
Q

What does the Green indicator light mean when illuminated?

A

The Friction brake is Released

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11
Q

What does the Red indicator light mean when illuminated?

A

The Friction Brake is Applied

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12
Q

What wheels are Wheel Slide Protection sensor fitted?

A

Wheels 2, 4, 6 and 8

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13
Q

What wheels are the Spring park brakes on?

A

Motor cars only
Wheels 1,3 and 7

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14
Q

What does the Traction Container contain?

A

-Main Switch
-Traction Control Unit
-Traction Inverter
-Line Inductor
-Traction Cooling Fan

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15
Q

What power is used by the Traction Motors?

A

Variable 3 Phase AC

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16
Q

Where are the Tacho speed sensor cables on a T car?

A

Wheels:
4
8

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17
Q

What is within the Auxiliary container?

A

-2 static chargers
-Battery charger

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18
Q

What does the Static Inverter do?

A

-Convert 1500v DC to 400v AC
-Supplier power to the battery charger

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19
Q

What is the Safety Equipment in the cab? (6)

A

-First aid kit
-ATW’s
-Emergency Track circuit jumper cable
-Red and Green flag
-Fire extinguisher
-Switch stick

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20
Q

What is in the Cab Electrical Equipment Miniature Circuit breaker (MCB) Panel?
(Left hand side of drivers desk)

A

-Various Circuit Breakers and controls
-Air Conditioning Unit Control Switch
-Safety Loop 110v Supply switch
-Door loop bypass and Isolation light

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21
Q

What are the four positions of the Master Controller?

A

-Power
-Coast
-Brake
-Emergency Brake

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22
Q

When the Safety Loop Bypass Switch is isolated, will any safety devices be operative?

A

NO safety devices will operate

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23
Q

When which items are defective will the Auto Vigilance Bypass switch need to be turned to ‘Bypass’?

A

-Hand pilot valve
-Foot pilot valve
-Trip Cock Device

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24
Q

What equipment needs the Tacho to read below 0.5km to function properly?

A

-Doors release
-Uncouple button
-Trip reset
-Safety Loop Reset

DUST

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25
Q

How long is the Holding button to be pressed for?

A

Only until Traction power is detected, or for a maximum of 2 seconds

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26
Q

How often does the Memory aid device flash and emit a tone when pressed?

A

30 second intervals

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27
Q

What is the normal indication for the Brake Pipe?

A

0kpa

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28
Q

How many positions does the Emergency Mode Switch have?

A

Five positions

-online holding brake inhibit
-normal
-rescued
-rescuing
-rescuing in propulsion

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29
Q

Does the trip lower automatically when the key is inserted?

A

NO
The Trip Cock Device switch must be placed to ‘lower’

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30
Q

Should you raise the trip via the Trip Cock Device switch prior to performing Cab Unattended procedure?

A

Yes, it is good practice to

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31
Q

Can the Stabling button be pressed without a key inserted?

A

No
The master controller key must be in and ON

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32
Q

After pressing the ‘Stabling’ button, when can the key be removed?

A

When the ‘high voltage presence’ light has extinguished and 5 seconds after the ‘one or more panto lowered’ light has illuminated

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33
Q

How many volts of Battery power is needed for operation of the train?

A

Cannot be less than 90

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34
Q

How is the Door Emergency Release handle reset?

A

By using the Square end of the Tri-key

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35
Q

Where are the HVAC fault indicator lights located?

A

On the A side, to the left of door 2

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36
Q

Where is the Saloon door motor isolation switch located?

A

In the pelmet to the left of the door

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37
Q

Where is the Tp car circuit breaker panel located?

A

To the left of door number 2. Within the pelmet

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38
Q

Can the pantograph be manually raised and lowered?

A

Yes

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39
Q

Where is the equipment located to manually raise and lower the pantograph?

A

On the T car, within the pelmet to the right of saloon door 4

40
Q

What equipment is part of the High Voltage System? (7)

A

-Pantograph
-Lightning Arrestor
-2 High Speed Circuit Breakers
-Line Inductors
-Traction Inverter
-Rheostatic Brake Resistor Grids
-Auxiliary Inverter (SIV)

41
Q

What causes the pantograph to automatically raise?

A

Raises automatically when the Master Key Switch is ON

42
Q

Is the pantograph electric or pneumatic?

A

Electric

43
Q

What power do the Traction Motors operate on?

A

3 Phase Variable AC power

44
Q

What are the two positions of the High Voltage Supply Switch?

A

-Power Supply
-Earth

45
Q

Do we have access to the High Voltage Supply Switch?

A

Only able to view, can not operate

46
Q

What power does the Battery Charger produce?

A

110v DC

47
Q

What are the major components connected to the 400v AC system?

A

BATH

-Battery charger
-Air compressors
-Traction Convertor Cooling fans
-HVAC (heating, ventilation, aircon)

48
Q

What is the only component connected to 220v AC system?

A

The General-Purpose Outlets (GPOs)

49
Q

If one Static Inverter (SIV) fails, what will the remaining SIV supply power to?

A

-No 1 Air con on each car
-No 1 Air compressor
-Full Saloon lighting
-Both traction convertor cooling fans
-Battery Charger

50
Q

What are the three distribution lines of the Low Voltage 110v DC system?

A

-Permanent Low Voltage line

-Prepared Low Voltage line

-Prepared Low Voltage and Cab Operative line

51
Q

What is the purpose of the Permanent Low Voltage Line?

A

-Electrically raise the pantograph

Provide power to:
-Step lights
-Fluorescent cab light

52
Q

What is needed for the ‘Prepared Low Voltage and Cab Operative’ line to be energised?

A

Key inserted and ON

53
Q

When is the ‘Prepared Low Voltage’ line energised?

A

Master controller key is REMOVED

The train remains prepared

54
Q

How long will the batteries power the train for? (No overhead)

A

Up to an hour

55
Q

In normal operation, what powers the 110v DC equipment?

A

The Battery Charger

56
Q

What can activate the safety loop?

A

-Main reservoir (below 580kPa)
-Brake pipe (below 300kPa, during train rescue)
-Trip cock (activated or raised)
-Hand/Foot Vigilance devices
-VICERS
-Loss of 110v DC
-Master controller in EMERGENCY
-Emergency stop button
-Two or more controller keys active
-Circuit breakers 23Q1 23Q2 (lead cab)

57
Q

How is the trip reset?

A

-Train speed must be below 0.5km
-Train must be stationary for 5 SEC
-Place the Trip cock device to Reset and then release
-The trip activated light will extinguish when reset

58
Q

What happens when the Safety loop bypass switch is set to TEST?

A

The safety loop circuit is tested for a short circuit

59
Q

Are there any safety devices operating when the Safety loop switch is in BYPASS?
Is emergency brake application possible?

A

NO safety devices

Emergency brake application is not possible

60
Q

If a train is disabled and has no 110v DC power, what must the driver do?
What does this do?

A

Turn the Safety Loop Supply switch to RESCUE

This allows the power from the rescuing train to energise the Safety Loop (disengaging brakes)

61
Q

When a saloon door is released and opened, how long will it remain open for?

A

1 minute

62
Q

What does the Service Retention Feature allow us to do when assisting a special needs passenger?

A

Allows saloon doors 1, 2, 5 and 6 on the leading motor to remain open for 10 minutes, when the Key has been removed from the key switch

63
Q

What does the Secondary Release feature do when an obstruction is detected?

A

The saloon doors will attempt to close 4 times at 3 second intervals

64
Q

What happens after the doors have attempted and failed to close 4 times?

A

The doors remain released, a beeping tone will sound in the passenger saloon for 60 seconds

65
Q

On what doors are the External Emergency Releases?

A

Motor cars= 1, 2, 5 & 6

Trailer cars= 2 & 5

66
Q

What will occur when a DER is activated?

A

-Door close light will flash (blue)
-Traction power will be available while the train is still running, but if stopped, traction power will be inhibited
-The CCTV covering the door will display an image of the area around that door
-The ANSW button (red) on the console will flash
-The ‘door emy handle activated’ status light will illuminate

67
Q

What will happen when a PEI is activated?

A

-Cab speaker will switch on
-An alert tone will sound
-The ANSW button will flash RED until pushed
-CCTV will activate once the Driver answers the call

68
Q

After how long will a PEI time out?

A

90 seconds

69
Q

What functions use the Speed Threshold Train Line?

A

Door release
Uncoupling
Safety loop (after a reduction in Brake Pipe pressure)
Trip Cock Device

70
Q

What is main reservoir operating pressure?

A

750kPa to 900kPa

71
Q

At what pressure does the main reservoir safety valve operate?

A

980kPa

72
Q

What is Brake pipe pressure during normal operation?

A

0kPa

73
Q

What is Brake pipe pressure during RESCUE operation?

A

550kPa

74
Q

What is Holding Brake cylinder pressure?

A

120kPa

75
Q

What is Full-service Brake cylinder pressure?

A

190kPa

76
Q

What is emergency brake cylinder pressure?

A

210kPa

77
Q

At what pressure of the Main reservoir will BOTH compressors come into operation?

A

Below 650kPa

78
Q

When the compressor governor isolating cock is turned, what happens to the compressor?

A

It will remain in the state it was in when isolated

79
Q

What does the main reservoir supply air pressure to?

A

-Braking system
-Trip
-Horn
-Auxiliary panel

80
Q

What isolating cocks are on the Auxiliary Pneumatic Equipment Panel?

A

-Whistle
-Uncoupling
-Trip active
-Trip reset
-Auxiliary Pneumatic panel

81
Q

What are the four braking systems?

A

-Service brake
-Holding Brake
-Emergency brake
-Spring park brake

82
Q

What does a red or green Friction Brake Indicator light indicate?

A

Red= Brakes on

Green= Brakes off

83
Q

At what speed is ED braking effective above?

A

10km

84
Q

At what range does brake blending occur?

A

Between 5-10km

85
Q

What brake is active under 5km?

A

EP only

86
Q

Can Brake Blending occur at any speed?

A

Yes

87
Q

When will the holding brake release?

A

When the master controller is placed into the powering zone

88
Q

What is holding brake pressure in the brake cylinders?

A

120kPa

89
Q

What is emergency brake pressure in the brake cylinders?

A

210kPa

90
Q

How many positions does the Emergency Mode Switch (EMS) have?

A

5 positions

91
Q

In a rescuing situation when the Brake pipe is charged, what pressure must it be above to allow the safety loop to close and emergency brake to release?

A

430kPa

92
Q

What are the causes of a Flashing Door Closed Light?

A

-Any saloon door failing to prove closed and lock
-Any fault within the door system or train cable connections
-A coupler fault after recently uncoupling
-A door Emergency Release being activated

93
Q

For a post-maintenance, what circuit breaker needs to be tripped in the centre cabs so functionality can be done?

A

22Q6

94
Q

What tests are done for a Full Cab? (8)

A

-Brake
-Hand/Foot Pilot Valve
-Emergency Stop Button
-Safety loop
-VICERS
-Emergency Auto-Vigilance
-Trip
-Traction Test (Lead motor only)

95
Q

After pressing the Stable button, when the ‘1or more panto down’ status indicator illuminates, how long after can you remove the Master Controller key?

A

5 seconds

X’trap Traction (1 decks)

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