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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
What Positions of the master controller has a LOW rate of acceleration?
1,2 or 3
26
What Positions of the master controller has a HIGH rate of acceleration?
Position 4 when placed directly in position 4
27
What is Manual Notching? When is it used ?
A method to help control the rate of acceleration. Used in cases of extremely poor adhesion due to wet/slippery rails
28
After how long does TIME notching occur?
After 20 seconds it will step up incrementally, removing resistors from every circuit every 5 seconds until full series is reached
29
Where are the Locations of Spring Park Brakes?
Comeng Motor cars to numbers 1,3,5,7 wheels
30
What turns Spring Park brakes on/off
Spring turns them on Main reservoir air takes them off
31
When will ALL park brakes automatically apply ?
When the Reverser is moved to OFF 60 seconds after the reverser is placed in Neutral
32
How do you Manually Release the Spring brake on a Knorr?
Turn Anti- Clockwise to manually release the spring park brake (No tool needed) One turn is efficient. Can not be manually applied
33
What does the Ammeter show ?
It indicates the electrical current flowing to the traction motors during powering and or Rheostatic Braking
34
A Duplex Gauge shows what indications ?
RED needle : shows air pressure in main reservoir WHITE needle : show air pressure in the brake pipe
35
What are the positions of the LP flag?
Raised - Stop displayed Lowered - Not displayed
36
Why is the Low Pressure (LP) Flag installed?
Used as a Visual and audio warning
37
What does the LP flag warn drivers of ?
- 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
38
What is BVICS?
Drivers Brake Valve Isolating Cock and switch
39
What are the steps for Resetting the VICERS?
Speed at Zero Brake Pipe pressure below 25 kPa Wait 10 seconds Press the Vigilance acknowledgement button
40
Steps for testing the VICERS
Brake Pipe charged above 500 kPa Reverser in the off position Trip is lowered and set BVICS is open
41
What Position must the Reverser be in to insert or remove the Controller Key?
OFF position
42
Are Westcode trains fitted with wheel slip Protection?
No
43
What are the Brake Types ?
Rheostatic Electro-Pneumatic Automatic Air Brake
44
What are the Automatic Air Brake positions?
Running and Release Service Zone Emergency
45
What does putting the Brake Controller into emergency do?
It exhausts all the Brake Pipe air
46
What does a Triple Valve do?
Chargers Reservoirs for Brake Releases Reservoirs Applies Brake
47
What will the Break Pipe Charge to?
550 kPa
48
What Air pressure does the Control Governor OPEN at?
310-340 kPa
49
What Air pressure does the Control Governor CLOSE at?
400-430 kPa
50
What Air pressure does the Control Governor CLOSE at?
400-430 kPa
51
What does the Dump Valve do ?
Prevents sticking brakes
52
What is the Holding Pressure on a Westcode ?
35 kPa
53
What is the Holding pressure for a Knorr train ?
0 kPa
54
What are the primary Safety Apparatus?
TECHAV Trip Emergency application Valve Control governor (not closing ) Hand + foot operated valve not resetting Anti- Neutralisation device above 8km Vicers activation valve
55
What are the Secondary Safety Apparatus ?
FEEC Foot operated pilot valve Emergency Pilot valve Emergency control governor Control Governor by-pass button
56
How do you enable the Emergency Circuit?
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
What does the PLC control ?
SFDDDD Secondary Release Feature Foot pilot valve Door Indicator lights Door Chimes Door closing Delay relay Door loop bypass
58
At what speed does the E/P work at ?
0km
59
What speed is when Rheostatic brake takes over ?
5km-115km
60
What speed levels will have a Blend of Rheostatic and E/P braking ?
5km-10km
61
What does the Yellow TECHAV cock allow ?
Allows the train to be driven from another motor Car
62
What does a Air Dryer do?
Removes moisture and contaminates from the compressed air
63
What runs off 1500v
Air compressor Traction Motors Motor Alternator
64
What runs off 1500v
Air compressor Traction Motors Motor Alternator
65
What runs off 415V?
S - saloon lighting H - headlights A - air conditioners T- traction cooling fan
66
What electrical equipment is adjacent to the hand release wire?
Main equipment case Auxiliary equipment case Line Breaker Case
67
What are the types of Brake testing ?
Running Break Test - service break test Low Speed Running - Service Brake Running Brake Test - Automatic Air Break
68
What doss a Control reservoir do?
Supplies compressed air to operate the electro-Pneumatic values in the main equipment case
69
What is Equipment on the number 2 end ?
Semi-permanent Coupling Train Cable Flexible Hose Coupling pipes +isolating cocks
70
When must a Air Brake test be completed?
When a driver: -Changes Ends -Direction of travel has Changed -Train consist has been altered
71
What is the break pressure of a full service/ Emergency brake ?
275 kPa
72
What is the minimum reduction for brake pipe pressure?
50 kpa
73
What is the time Allocated to a Post maintenance Preparation on a 3 car set?
30 minutes
74
What is the time Allocated to a Post Maintenance Preparation on a 6 car set?
60 minutes
75
What is the time Allocated to a Mainline Preparation for a six car train?
37 minutes
76
What is the time Allocated to a Pre- Movement/ Revenue Preparation for a 3 car train?
10 mins
77
What is the time Allocated for stabling a HCMT?
8 minutes
78
What is the time Allocated for stabling a 6 car train?
8 minutes
79
What is the Operating range of Air in the main res?
725 Kpa - 585 kPa
80
What is the required air pressure to raise the Pantographs ?
500 kPa
81
What is the minimum Brake Pipe pressure you need to run a train ?
425 kPa
82
How much Pressure do you need for a Trip Test ?
150 kPa
83
What is the pressure between each step on the Brake cylinder ?
35 kPa
84
What is the required Main Reservoir pressure for Rising Pantographs?
500kPa
85
What are the 3 Ways to raise the Pantographs?
Main Reservoir pressure Pantograph storage Reservoir Pantograph Emergency Compressor
86
How long will it take for the pantographs to come down during a pantograph test?
10 seconds down from the contact wire
87
When must you Preform a LOW speed running test ?
When DOCKING a previously prepared train out of a siding or yard
88
When must you Preform a Running brake Test - SERVICE BRAKE
Must be preformed when the train is - In motion - Before first scheduled stop
89
When must you Preform a Automatic Air Brake Test?
At the first suitable location when: - Changing ends - Relieving a driver -After diving or attaching a train - Following a defect
90
If the running brake test fails Or doesn't react as expected what should the driver do ?
Stop the train Begin Fault finding procedures TMM reported to METROL
91
How many circuit breakers do you need to run a train?
1
92
What does the supply light show you?
Shows that you have 110v dc
93
How long does the MAD button flash for ?
10 seconds
94
What does the BVICS control?
-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
What does the BVICS allow ?
Control of the breaking functions of the train
96
How long will the Emergency Marker lights be on for ? When do they need to be reset?
On for 2 hours Reset after 1:45 mins
97
What does a Variable Load Valve do?
Monitors Air pressure in the Air suspension system
98
What does the Restricted Application Limiting and Ball check Valve do?
Allows 10% increase in brake cylinder pressure when using the automatic air brake
99
What does the 7 step Relay Valve do?
Converts electrical code signals from the brake controller in 7 steps of pressure during EP breaking
100
What does the Release Ensuring Valve do?
Releases a small amount of air pressure( 14kpa) from the Aux res when placed into run and released
101
What does the bypass check Valve do?
Provides a passage for Main Reservoir air to reach the brake cylinders
102
What does the Hand Release valve do?
Provides a manual release of Brake cylinder Air pressure during brake or maintenance
103
What does the Hand Release valve do?
Provides a manual release of Brake cylinder Air pressure during brake or maintenance
104
What does the Break cylinders and Rigging do?
Converts air pressure into mechanical force to apply friction breaks
105
How far is the collar of the piston extended to in the applied position?
30 to 65 mm
106
What are the Brake COMPONENTS ?
- 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
What function does the Trip Gear Isolating Cock serve?
Isolates the flow of control reservoir air to the trip latching lever. When isolated the trip will lower irrespective of its position.
108
What function does the TECHAV cock serve?
Allows the train yo be driven from the opposite end of the Used to isolate safety apparatus on a trailing motor
109
What equipment on the bogies sends information to the Slip/slide unit?
Frequency Generator
110
What will happen if the EP brake circuit breaker is out ?
Will De-energise the lockout magnet calve and cause Automatic Air brake to become active
111
What does the Auxiliary Control circuit breaker protect ?
Bell Aux Doors Saloon lights Couple & Uncouple Air Con #1 Rheo (local) Scharfenberg self centred

Class 235 (18 decks)

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