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Class 235 > Generic Traction/ Comeng > Flashcards

Generic Traction/ Comeng Flashcards

1
Q

What is the Entry speed into a platform ?

A

55km

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2
Q

What is the Dead end platform speed ?

A

25km

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3
Q

How should PA announcement be like?

A

Clear
Concise
Provides information
Not to Brief

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4
Q

What power does the VICERS system run on ?

A

110v DC

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5
Q

Where is the VICERS system active ?

A

Only in a activated CAB only

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6
Q

What are the two sub-units of VICERS?

A

Vigilance control System
Event Recording System

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7
Q

The Vigilance Control System consists of?

A

Task linking of Driver Controls
Vigilance Acknowledgement Button
Vigilance Audible Buzzer
Vigilance Fault Indicator
Vigilance Activation Valve/ relay

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8
Q

The Event Recording system on VICERS incorporates what?

A

VM40 Event Recorder
Roof Mounted GPS antenna

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9
Q

What is the information order of a PA announcement?

A

Time of delay
Whats happened/why
Action or Alternative plans
Apology

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10
Q

What are included on Automatic Announcements?

A

-Junction station information
-Destination and express running conditions
-Terminal stations information
-Platform arrival Information

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11
Q

What are the steps for a FULL cab unattended procedure?

A

Advise passengers
Secure the train
Exit and secure the cab
Take portable Train Radio
Preform required duties
Return to CAB

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12
Q

What are the steps for a Unattended Modified cab Procedure ?

A

Advise passengers
Secure the train
Turn DTRS volume up
Exit the Cab
Perform necessary Duties
Return to CAB

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13
Q

What are the 3 Preparation Types?

A

Post maintenance Preparation

Mainline Train Preparation

Revenue/Pre-movement

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14
Q

What Information is Required when Docking a Train ?

A

Location of Yard/siding
Siding Number
Dock Time
TD number
Motor Number
Post maintenance Preparation

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15
Q

What Equipment must be carried during a Preparation?

A

Metro issued Mobile Phone
All drivers Keys
TMM Book
Torch
All appropriate PPE

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16
Q

What is the time allowance for a Pre- Departure preparation on all the trains ?

A

3 minutes

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17
Q

What are the allocated time for a Post Maintenance Preparation?

A

HCMT = Not Applicable

Six car set = 60 minutes C,S,X

Three Car Set = 30 minutes ( C,S,X)

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18
Q

What is the Allocated time for a MAINLINE preparation?

A

HCMT = 40 minutes

Six Car = 37 minutes C,S,X

Three car = 20 minutes

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19
Q

What is the Allocated time for a Pre - Movement / Revenue Preparation?

A

HCMT = 20 minutes

Six car set = 18 minutes C,S,X

Three Car set = 10 minutes C,S,X

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20
Q

When is a Mainline Preparation required?

A

Is required prior to the train entering the mainline or revenue service for the FIRST time each day

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21
Q

When is a Post Maintenance Preparation required?

A

-After a full scheduled maintenance exam in the workshop

-Undergoing major repairs

-Safety critical equipment or brake failure repairs

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22
Q

When is a Pre-Movement/Revenue Preparation required ?

A

-Prior to the train entering the mainline after it had already received a Post maintenance or Mainline preparation that day

-Where the train movements are limited with the yard or travelling from Melbourne yard to North Melbourne wash

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23
Q

What are the 4 Positions of the Reverser?

A

OFF
FORWARD
NEUTRAL
REVERSE

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24
Q

What are the operating Positions or notches or the Master Controller?

A

0 = OFF
1= SHUNT
2= SERIES
3= SERIES - PARALLEL
4 = WEAK FIELDS

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25
Q

What Positions of the master controller has a LOW rate of acceleration?

A

1,2 or 3

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26
Q

What Positions of the master controller has a HIGH rate of acceleration?

A

Position 4 when placed directly in position 4

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27
Q

What is Manual Notching?
When is it used ?

A

A method to help control the rate of acceleration.

Used in cases of extremely poor adhesion due to wet/slippery rails

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28
Q

After how long does TIME notching occur?

A

After 20 seconds it will step up incrementally, removing resistors from every circuit every 5 seconds until full series is reached

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29
Q

Where are the Locations of Spring Park Brakes?

A

Comeng Motor cars to numbers 1,3,5,7 wheels

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30
Q

What turns Spring Park brakes on/off

A

Spring turns them on

Main reservoir air takes them off

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31
Q

When will ALL park brakes automatically apply ?

A

When the Reverser is moved to OFF

60 seconds after the reverser is placed in Neutral

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32
Q

How do you Manually Release the Spring brake on a Knorr?

A

Turn Anti- Clockwise to manually release the spring park brake

(No tool needed)

One turn is efficient.

Can not be manually applied

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33
Q

What does the Ammeter show ?

A

It indicates the electrical current flowing to the traction motors during powering and or Rheostatic Braking

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34
Q

A Duplex Gauge shows what indications ?

A

RED needle : shows air pressure in main reservoir

WHITE needle : show air pressure in the brake pipe

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35
Q

What are the positions of the LP flag?

A

Raised - Stop displayed

Lowered - Not displayed

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36
Q

Why is the Low Pressure (LP) Flag installed?

A

Used as a Visual and audio warning

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37
Q

What does the LP flag warn drivers of ?

A
  • Pressure in the main reservoir is below a safe level of 500 kPa
  • The EP brake is inoperative

-The Brake Valve isolating cock and switch is closed

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38
Q

What is BVICS?

A

Drivers Brake Valve Isolating Cock and switch

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39
Q

What are the steps for Resetting the VICERS?

A

Speed at Zero

Brake Pipe pressure below 25 kPa

Wait 10 seconds

Press the Vigilance acknowledgement button

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40
Q

Steps for testing the VICERS

A

Brake Pipe charged above 500 kPa

Reverser in the off position

Trip is lowered and set

BVICS is open

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41
Q

What Position must the Reverser be in to insert or remove the Controller Key?

A

OFF position

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42
Q

Are Westcode trains fitted with wheel slip Protection?

A

No

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43
Q

What are the Brake Types ?

A

Rheostatic

Electro-Pneumatic

Automatic Air Brake

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44
Q

What are the Automatic Air Brake positions?

A

Running and Release

Service Zone

Emergency

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45
Q

What does putting the Brake Controller into emergency do?

A

It exhausts all the Brake Pipe air

46
Q

What does a Triple Valve do?

A

Chargers Reservoirs for Brake

Releases Reservoirs

Applies Brake

47
Q

What will the Break Pipe Charge to?

A

550 kPa

48
Q

What Air pressure does the Control Governor OPEN at?

A

310-340 kPa

49
Q

What Air pressure does the Control Governor CLOSE at?

A

400-430 kPa

50
Q

What Air pressure does the Control Governor CLOSE at?

A

400-430 kPa

51
Q

What does the Dump Valve do ?

A

Prevents sticking brakes

52
Q

What is the Holding Pressure on a Westcode ?

A

35 kPa

53
Q

What is the Holding pressure for a Knorr train ?

A

0 kPa

54
Q

What are the primary Safety Apparatus?

A

TECHAV

Trip

Emergency application Valve

Control governor (not closing )

Hand + foot operated valve not resetting

Anti- Neutralisation device above 8km

Vicers activation valve

55
Q

What are the Secondary Safety Apparatus ?

A

FEEC

Foot operated pilot valve
Emergency Pilot valve
Emergency control governor
Control Governor by-pass button

56
Q

How do you enable the Emergency Circuit?

A

Secure the Train (cab unattended)

Turn the RED Ec cock across the pipe

Isolate the VICERS key switch to prevent acknowledgement button working

Operate foot pilot valve to set position

Press the RED control governor by-pass button on the console every 30 seconds

57
Q

What does the PLC control ?

A

SFDDDD

Secondary Release Feature
Foot pilot valve
Door Indicator lights
Door Chimes
Door closing Delay relay
Door loop bypass

58
Q

At what speed does the E/P work at ?

A

0km

59
Q

What speed is when Rheostatic brake takes over ?

A

5km-115km

60
Q

What speed levels will have a Blend of Rheostatic and E/P braking ?

A

5km-10km

61
Q

What does the Yellow TECHAV cock allow ?

A

Allows the train to be driven from another motor Car

62
Q

What does a Air Dryer do?

A

Removes moisture and contaminates from the compressed air

63
Q

What runs off 1500v

A

Air compressor
Traction Motors
Motor Alternator

64
Q

What runs off 1500v

A

Air compressor
Traction Motors
Motor Alternator

65
Q

What runs off 415V?

A

S - saloon lighting
H - headlights
A - air conditioners
T- traction cooling fan

66
Q

What electrical equipment is adjacent to the hand release wire?

A

Main equipment case

Auxiliary equipment case

Line Breaker Case

67
Q

What are the types of Brake testing ?

A

Running Break Test - service break test

Low Speed Running - Service Brake

Running Brake Test - Automatic Air Break

68
Q

What doss a Control reservoir do?

A

Supplies compressed air to operate the electro-Pneumatic values in the main equipment case

69
Q

What is Equipment on the number 2 end ?

A

Semi-permanent Coupling

Train Cable

Flexible Hose Coupling pipes +isolating cocks

70
Q

When must a Air Brake test be completed?

A

When a driver:
-Changes Ends
-Direction of travel has Changed
-Train consist has been altered

71
Q

What is the break pressure of a full service/ Emergency brake ?

A

275 kPa

72
Q

What is the minimum reduction for brake pipe pressure?

A

50 kpa

73
Q

What is the time Allocated to a Post maintenance Preparation on a 3 car set?

A

30 minutes

74
Q

What is the time Allocated to a Post Maintenance Preparation on a 6 car set?

A

60 minutes

75
Q

What is the time Allocated to a Mainline Preparation for a six car train?

A

37 minutes

76
Q

What is the time Allocated to a Pre- Movement/ Revenue Preparation for a 3 car train?

A

10 mins

77
Q

What is the time Allocated for stabling a HCMT?

A

8 minutes

78
Q

What is the time Allocated for stabling a 6 car train?

A

8 minutes

79
Q

What is the Operating range of Air in the main res?

A

725 Kpa - 585 kPa

80
Q

What is the required air pressure to raise the Pantographs ?

A

500 kPa

81
Q

What is the minimum Brake Pipe pressure you need to run a train ?

A

425 kPa

82
Q

How much Pressure do you need for a Trip Test ?

A

150 kPa

83
Q

What is the pressure between each step on the Brake cylinder ?

A

35 kPa

84
Q

What is the required Main Reservoir pressure for Rising Pantographs?

A

500kPa

85
Q

What are the 3 Ways to raise the Pantographs?

A

Main Reservoir pressure

Pantograph storage Reservoir

Pantograph Emergency Compressor

86
Q

How long will it take for the pantographs to come down during a pantograph test?

A

10 seconds down from the contact wire

87
Q

When must you Preform a LOW speed running test ?

A

When DOCKING a previously prepared train out of a siding or yard

88
Q

When must you Preform a
Running brake Test - SERVICE BRAKE

A

Must be preformed when the train is

  • In motion
  • Before first scheduled stop
89
Q

When must you Preform a Automatic Air Brake Test?

A

At the first suitable location when:

  • Changing ends
  • Relieving a driver
    -After diving or attaching a train
  • Following a defect
90
Q

If the running brake test fails
Or doesn’t react as expected what should the driver do ?

A

Stop the train

Begin Fault finding procedures

TMM reported to METROL

91
Q

How many circuit breakers do you need to run a train?

A

1

92
Q

What does the supply light show you?

A

Shows that you have 110v dc

93
Q

How long does the MAD button flash for ?

A

10 seconds

94
Q

What does the BVICS control?

A

-Controls Main Reservoir Air to air brake vales and into the brake pipe via brake controller

-electrical current to EP and Rheostatic brake selector switches & controller

-Electrical current to Lp flag

-Electrical current toe door monitoring circuits( flashing door light )

95
Q

What does the BVICS allow ?

A

Control of the breaking functions of the train

96
Q

How long will the Emergency Marker lights be on for ?
When do they need to be reset?

A

On for 2 hours

Reset after 1:45 mins

97
Q

What does a Variable Load Valve do?

A

Monitors Air pressure in the Air suspension system

98
Q

What does the Restricted Application Limiting and Ball check Valve do?

A

Allows 10% increase in brake cylinder pressure when using the automatic air brake

99
Q

What does the 7 step Relay Valve do?

A

Converts electrical code signals from the brake controller in 7 steps of pressure during EP breaking

100
Q

What does the Release Ensuring Valve do?

A

Releases a small amount of air pressure( 14kpa) from the Aux res when placed into run and released

101
Q

What does the bypass check Valve do?

A

Provides a passage for Main Reservoir air to reach the brake cylinders

102
Q

What does the Hand Release valve do?

A

Provides a manual release of Brake cylinder Air pressure during brake or maintenance

103
Q

What does the Hand Release valve do?

A

Provides a manual release of Brake cylinder Air pressure during brake or maintenance

104
Q

What does the Break cylinders and Rigging do?

A

Converts air pressure into mechanical force to apply friction breaks

105
Q

How far is the collar of the piston extended to in the applied position?

A

30 to 65 mm

106
Q

What are the Brake COMPONENTS ?

A
  • Variable load Valve

-Restricted Application limiting and ball check valve

  • 7 step relay

-Restricted application Magnet Valve

-Triple Valve

  • Release ensuring Valve

-Bypass Check

  • Hand release

-Dump

107
Q

What function does the Trip Gear Isolating Cock serve?

A

Isolates the flow of control reservoir air to the trip latching lever.

When isolated the trip will lower irrespective of its position.

108
Q

What function does the TECHAV cock serve?

A

Allows the train yo be driven from the opposite end of the

Used to isolate safety apparatus on a trailing motor

109
Q

What equipment on the bogies sends information to the Slip/slide unit?

A

Frequency Generator

110
Q

What will happen if the EP brake circuit breaker is out ?

A

Will De-energise the lockout magnet calve and cause Automatic Air brake to become active

111
Q

What does the Auxiliary Control circuit breaker protect ?

A

Bell
Aux
Doors
Saloon lights
Couple & Uncouple
Air Con #1
Rheo (local)
Scharfenberg self centred

Class 235 (14 decks)

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