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Metro Traineeship > HCMT traction > Flashcards

HCMT traction Flashcards

1
Q

What is the consist of an HCMT?

A

Tc - DMp - Mp1 - DT - Mp2 - DMp - Tc

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2
Q

What does DMp stand for, and what do they have?

A

Door Motor Pantograph – they have fire doors, traction motors and pantographs

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3
Q

Which cars have the battery-powered auxiliary compressors to raise the pantographs?

A

DMp cars

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4
Q

What does Mp stand for? What do they have?

A

Motor Pantograph – they have traction motors and pantographs

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5
Q

What car contains the non-cab fire extinguisher?

A

Mp2 (high numbered MP car)

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6
Q

What does DT stand for? What does it have?

A

Door Trailer – has fire door

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7
Q

What do the four numbers in an HCMT set number represent?

A

First number = 9 (indicating HCMT)
Second number = Car number in the set (from 0 to 9, with 4, 5 and 6 missing)
Third/Fourth numbers = two digit set number

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8
Q

How are wheels numbered?

A

Stating from A side, in a zig-zag pattern

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9
Q

When touching your card on the external badge reader, how long does the electric striker remain unlocked for?

A

5 seconds

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10
Q

What is the roof-mounted equipment on a Tc:

A

Cab HVAC
Saloon HVACs
Air Exhaust

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11
Q

What is the roof-mounted equipment on a Mp car?

A

Pantograph
Air Exhaust
Saloon HVACs

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12
Q

What is the roof-mounted equipment on a DMp?

A

Pantograph
Air Exhaust
Saloon HVACs

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13
Q

What is the roof-mounted equipment on a DT?

A

Air Exhaust
Saloon HVACs

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14
Q

How long does a driver place their access card on the badge reader to gain access to an HMCT?

A

1 second

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15
Q

How can a driver gain access to their cab if their access card is missing or defective?

A

Call Metrol

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16
Q

What indication is given that the door has unlocked when accessing the train from external cab doors?

A

It will click and move ajar

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17
Q

How long does the EAD (Emergency Access Device) need to be held for to activate?

A

10 seconds

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18
Q

How does the driver inhibit an EAD activation attempt? How long does it inhibit a door release for?

A

By pressing the Cab Release Inhibit button. It inhibits for 5 minutes.

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19
Q

HCMT cab equipment: Where is the first aid kit located?

A

In the first aid cabinet in front of the OJT seat

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20
Q

HCMT cab equipment: Where is the Switch Stick located?

A

To the right of the OJT seat

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20
Q

HCMT cab equipment: Where is the fire extinguisher located?

A

On the storage locker door to the left of the Driver’s seat

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21
Q

HCMT cab equipment: Where are the flags located?

A

To the left of the driver’s seat

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22
Q

What does DMI stand for? What does it display?

A

Driver Machine Interface. It displays the speedometer and High-Capacity Signalling (HCS)

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23
Q

What does the primary suspension consist of on the HCMT? Where is it?

A

Rubber-laminated springs mounted between the axle box and the bogie frame

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24
Q

How many secondary-suspension air bags does each bogie contain?

A

Two

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25
Q

Where are the Air Suspension Isolating Cocks located?

A

On B Side of each car towards No. 2 end

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26
Q

Can you isolate a single bogie’s air suspension on a car?

A

No, both must be isoalted

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27
Q

Is the towing unit essentially the same as the Siemens?

A

Yes, so don’t even bother learning anything new

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28
Q

What equipment is in the Auxiliary Power Supply Container?

A
  • Auxiliary Inverter
  • Medium Voltage Box
  • Battery Charger
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29
Q

How many battery cells within each battery box?

A

80

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30
Q

What is the purpose of the Auxiliary Power Supply System?

A

To convert 1500v DC to 415v 3-phase power to the battery charger

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31
Q

What voltage does the battery charger supply to the train?

A

110v DC

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32
Q

What does the Air Supply Unit (ASU) consist of? (3)

A
  • Main air compressor
  • Air dryers
  • Filters
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33
Q

What does the High Voltage (HV) box consist of? (2)

A
  • HSCBs
  • Harmonic Wave Detection Device
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34
Q

What is inside the Variable Voltage and Variable Frequency Cabinet? (2)

A
  • Two traction inverter modules
  • Traction Control Unit
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35
Q

What is the role of the Traction Inverters?

A

Converts 1500v DC to variable three-phase voltage and variable frequency for the traction motors

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36
Q

Where are the battery-powered auxiliary compressors located?

A

on DMp cars only

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37
Q

What is the purpose of the auxiliary air compressor?

A

To provide air for the pantographs when main res pressure is low, or when the car has been isolated from the main res system

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38
Q

How long will an HCMT operate on emergency power for?

A

2 hours

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39
Q

What is the maximum period of time an HCMT can be stabled for, according to battery power?

A

2 weeks

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40
Q

On which cars are the BCMs?

A

All of them

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41
Q

Which isolating cocks are located within the BCM?

A

Sanding equip, Park Brake**, Brake Cylinder Bogie 1, Brake Cylinder Bogie 2, Brake Supply

**Replaced with Tread Scrubber on Tc cars

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42
Q

What does HMI stand for? What does it display?

A

Human Machine Interface. It displays the train’s systems and devices

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43
Q

What are the two positions of the Master Controller Switch?

A

On and Off

(lol the Master Controller is different to the Master Controller Switch)

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44
Q

What are the four positions of the Reverser?

A
  • FOR
  • NEU
  • REV
  • OFF
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45
Q

What are the seven positions of the Master Controller?

A
  • EMY
  • MAX brake
  • Braking zone
  • MIN brake
  • Coast
  • MIN power
  • Powering

(This is according to courseware. We can, however, clearly see a MAX power in the accompanying photo)

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46
Q

What acts as a Cab Active light in an HCMT?

A

The backlit window on the Master Controller

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47
Q

What happens if the pilot valve is released while the HCMT is in motion? (2)

A

Alarm will sound after 1.5 seconds and Emergency brakes will apply

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48
Q

What will happen in an HCMT if you are stationary and you have a 50% or less braking application? (2)

A

Alarm will sound after 1.5 seconds and Emergency brakes will apply

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49
Q

How long should door buttons be pressed for?

A

2 seconds

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50
Q

After an initial DER is activated, how long until the passenger is able to open the door?

A

20 seconds, provided the train is stationary

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51
Q

If a DER is activated and the driver presses the DER Inhibit button within 20 seconds, how long will the door be prevented from opening?

A

120 seconds

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52
Q

What is in the A Side Electrical Cabinet?

A
  • Vigilance equipment
  • Isolation/override controls
  • Circuit breakers
  • Communication equipment
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53
Q

What are the 5 positions of the Recovery Mode Switch?

A

0 to 4

(0 – Default
1 – Pushed by other train
2 – Pulling other train
3 – Pulled by other train
4 – Pushing other train)

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54
Q

Where is the fault panel located?

A

Horizontally above the Saloon Doors Control

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55
Q

How many IDIs (Internal Destination Indicators) in each carriage?

A

6

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56
Q

How many DRMDs (Dynamic Route Map Displays) in each carriage?

A

4

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57
Q

What are the two types of passenger intercom?

A

Emergency and Passenger Assist

58
Q

Where are portable wheelchair ramps located?

A

Doors 1 and 2 of DMp cars

59
Q

Where are fixed wheelchair ramps located?

A

Doors 1 and 2 of Tc cars

60
Q

Where is Emergency Lighting drawn from?

A

Batteries

61
Q

How long will Emergency Lighting last for on battery power?

A

2 hours

62
Q

How long will Full Lighting last for on battery power?

A

10 minutes

63
Q

Which isolating cock is located in cabinet B06 next to door 4 (all cars)

A

Brake Supply Isolating Cock

64
Q

Which isolating cock is located in cabinet B07 next to door 3 (DMp, Mp, DT cars only)

A

Park Brake Isolating Cock

65
Q

Which isolating cock is located in cabinet U12 in DMp and Mp cars only?

A

Pantograph Isolating Cock

66
Q

When will the stopping aid cameras on an HCMT activate?

A

10 metres before the platform stopping mark

67
Q

How is a driver alerted when a PI is activated? What happens when a driver answers the call?

A

Applicable car will be highlighted red, PI banner will appear at location of call. When answered, CCTV will appear

68
Q

If a PI call isn’t answered within 30 seconds, what does the courseware say happens?

A

It gets added to Metrol’s queue

69
Q

What indicated is the driver given when a smoke alarm is activated?

A

Relevant car is red, and a SMOKE banner is displayed above it

70
Q

What happens if multiple alarms of different types are activated?

A

They will form an orderly queue

71
Q

What does eTIS stand for?

A

Electronic Train Information System

72
Q

What two things in the courseware did we need to highlight that are connected to the eTIS?

A
  • Provides relevant info (alarms, status, train stopping etc) to the TMS for display to the driver
  • Responds to the entry/alteration of the TDN to change the train’s service (TDN can be changed by driver, HCS, or Metrol)
73
Q

What are the indications of a Level One Alert?

A

Audible tone, and flashing red bar

74
Q

What are the indications of a Level Two Alert?

A

Audible tone, and flashing yellow bar

75
Q

What are the indications of a Level Three Alert?

A

Solid yellow bar

76
Q

On the train pictograms, what does the solid grey box inside the train indicate?

A

Door is closed and not available for release (unless ASDC override performed)

77
Q

On the train pictograms, what does the solid green box inside the train indicate?

A

Door is closed but either available for release or released. Driver may push DOOR RELEASE when safe to do so

78
Q

On the train pictograms, what does the solid white box outside the train indicate?

A

Door is open (includes cab/bulkhead doors)

79
Q

On the train pictograms, what does the solid red box inside/outside the train indicate?

A

Inside = failed door in the closed position

Outside = failed door in the open position

80
Q

On the train pictograms, what does the flashing red box indicate?

A

Emergency Door Release activated – DER has been pulled to Stage 2 access, OR external EAD activated, OR cab EAD is being help down

81
Q

On the train pictograms, what does the solid yellow box inside the train indicate?

A

Door isolated

82
Q

On the train pictograms, what does the empty/black/clear box inside the train indicate?

A

Door status unknown

83
Q

What navigational button on the Main Status Screen must be pressed to allow the driver to enter a TDN?

A

PIDS control

84
Q

On start-up, what is the minimum main res pressure required to raise the pantographs?

A

700 kPa

85
Q

How is a pantograph raised on start-up? (2)

A
  • Activate cab
  • Press Panto Raise button
86
Q

During emergency conditions, what functions will be reduced? (2)

A
  • HVACs operating to 50% capacity (after 10 minutes)
  • Fresh Air Fans operate on 110v DC battery power for 2 hours
87
Q

What are the four circuit breakers that will open the safety loop on an HCMT? (4)

A
  • Brake Control Supply
  • Emergency Brake Loop Power Supply
  • Traction Control
  • Cab Activation
88
Q

How many times may a driver attempt to reset a tripped miniature circuit breaker?

A

Twice

89
Q

The Safety Loop cannot be reset until: (3)

A
  • Train stationary for more than 3 seconds
  • Reason for emergency brake has been reset
  • MC to Max Brake and Reverser to Neutral
90
Q

What nine things will apply the emergency brakes?

A
  • MC handle to emergency
  • Hand/foot pilot valve lost
  • ESB pressed
  • Trip cock activation
  • Vigilance time-out
  • Main Res below 600 kPa
  • Towing Unit demand for emergency brake
  • Safety System Bypass reminder timeout
  • Physical interruption (e.g. train separation)
91
Q

How many external smoke detectors are required to activate in order to trigger External Smoke Mode?

A

2

92
Q

What is Emergency Brake Cylinder Pressure?

A

280 - 460 kPa

93
Q

What is Holding Brake Cylinder Pressure?

A

140 - 240 kPa

94
Q

What is the normal kPa variance on a HCMT?

A

+/-20 kPa

95
Q

What is the main res over-pressure safety valve set to?

A

1,050 kPa

96
Q

Generally speaking, should the pantographs be isolated using the inside or outside cocks?

A

Inside cocks please

97
Q

After tripping, how long will the post-trip speed restriction apply?

A

500 seconds, unless cancelled

98
Q

How does a driver cancel the post-trip speed restriction?

A

By pressing the Trip Speed button under the anti-tamper cover

99
Q

What brakes are on a Tc car?

A

Holding, Emergency and EP

100
Q

What brakes are on DMp and Mp cars?

A

Holding, Emergency, Park Brakes EP and ED

101
Q

What brakes are on a DT car?

A

Holding, Emergency, EP and Park Brakes

102
Q

What happens to a train if the EP brakes need to be isolated on a Tc car?

A

Train is declared disabled

103
Q

How many bogies need to be isolated before a HCMT is taken out of service?

A

At least 3

104
Q

At what speeds is the ED braking available on an HCMT?

A

3 to 115km/h

105
Q

Can a driver manually isolate the ED brakes on a HCMT?

A

Nope

106
Q

in “wash mode”, when is the holding brake released?

A

When the train detects any traction request

107
Q

At what speed will the holding brake automatically apply?

A

0.5km/h

108
Q

The holding brake will not release until (3):

A
  • Safety Loop is energised
  • There’s no brake demand
  • Traction demand above 50%
109
Q

To determine the required braking force, the BCU measures: (3)

A
  • ED braking force present
  • Braking force requested by driver
  • Loading of the car
110
Q

At what speeds does brake blending occur?

A

3km/h and 10km/h

111
Q

When do spring park brakes automatically apply and release?

A

Apply: When the driver turns the MC Key Switch to Off.

Releases: When holding brakes are released

112
Q

What are the three components of the Secondary Suspension?

A
  • Air bags
  • Dampers
  • Levelling valves
113
Q

What are the primary and secondary methods of resetting the trip?

A

Primary – via Trip Reset switch on OJT panel

Secondary – Pressing reset plugger on front of the trip

114
Q

What indications can a driver get if one of the beacon readers has failed?

A

Stopping aid cameras don’t turn on, and either first or last door will be unavailable to open

115
Q

How can a driver safety train/de-train a special needs passenger without the doors closing mid-procedure?

A

Press the Auto-Door Close Inhibit button

116
Q

What doors to the auto-door close inhibit button apply to?

A

From the courseware:

“For the selected side (platform side) the first and third saloon doors of a Tc and the first saloon door of the second car (DMp) will be inhibited from closing properly.”

Interpret that how you will.

117
Q

What happens if a passenger pushes a door open button just before the Driver opens the doors?

A

The push button becomes inoperative for 0.5 seconds

118
Q

How many times will an obstructed door attempt to close? What happens after the last attempt?

A

Four times. Then the doors remain in a fully opened position

119
Q

What will a driver need to do should a beacon read fail entirely?

A

Follow the ASDC (Automatic selective door control override procedure)

120
Q

What’s that handy acronym to remember when performing the ASDC procedure?

A

A – Announcement to inform of delay
S – SDU (check cameras to confirm what doors are on the platform)
D – Door (open door to check correct side)
C – Cover (life cover and press ASDC button)

121
Q

Where are external DERs (or EADs) located?

A

To the right of each saloon door

122
Q

Can a door release initiated by a DER become fully released while the train is in motion?

A

Nuh

123
Q

What are the three stages once a DER has been initiated?

A
  • Level 3 alert on the HDMI and driver has 20 seconds to assess
  • Within 10 seconds, driver received Level 2 alert
  • If no action was taken within 20 seconds, the DER will be available to open once train is stationary
124
Q

How many fire doors on an HCMT?

A

3

125
Q

Where are the fire doors located?

A

DMp and DT (no 2 end)

126
Q

When can a driver enter Yard Mode?

A

At any time

127
Q

Will yard mode prevent your train from rolling above 15km/h?

A

Nope

128
Q

What five things does Wash Mode prepare on a HCMT?

A
  • Closes external dampers
  • Deactivates HVACs
  • Inhibits holding brake
  • Max charges air compressors, then shuts down
  • Restricts traction power to 3.5km/h
129
Q

What time frame does a HCMT perform stabling duties within?

A

Between 2 minutes to 1 hour

130
Q

How fast can a HCMT go through the wash if it is performing a passage without wash?

A

5km/h

131
Q

On what wheels are the tread scrubbers?

A

Tc cars, wheels 3 and 4

132
Q

How long do we get for a post-maintenance prep on a HCMT?

A

We don’t do post-maintenance preps on HCMTs

133
Q

How do we prepare our lights when performing a trip test?

A

Marker lights to red, high beams on

134
Q

I didn’t really make that many flashcards for train prep so maybe do your own study on that one

A

Okay

135
Q

How long should a driver allow after start-up in the lead cab before initiating the train certificate tests in the rear cab?

A

7 minutes

136
Q

What is the expected duration of the train certificate?

A

12 minutes

137
Q

What position must the OJT seat be in when not in use?

A

Parked – upright and fully forward

138
Q

What happens to the Detailed Brake Certificate of the park brake is applied?

A

It will fail

139
Q

What happens if the Detailed Brake Test fails twice?

A

Report it to Metrol

140
Q

What two driver errors can cause failure of HCS test?

A

Cab doors open, not having HPV set

141
Q

If Traction Self-Test fails, how long before it can be retested?

A

3 minutes

142
Q

What cab do we perform the detailed brake test from?

A

Lead cab

143
Q

What cab do we perform the HCS test from?

A

Lead cab

Metro Traineeship (31 decks)

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