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kayla sewell > Hcmt Traction > Flashcards

Hcmt Traction Flashcards

1
Q

What is the train consist?

A

Tc-dmp-mp1-dt-mp2-dmp-tc

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2
Q
  1. What equipment is found on the roof of the dmp/Mp car?
A

Pantograph, saloon hvac and air exhaust

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3
Q
  1. What equipment is found on the roof of a tc car?
A

Cab hvac, saloon hvac and air exhaust

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4
Q

What is the bcm? Where is it and what is located in it?

A

Brake control module
A side of all cars
Brake supply iso cock, brake cylinder iso cock 1 and 2, park brake iso cock (all cars except tc)/ tread scrubber (only tc cars) and sanding equipment iso cock

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5
Q

What is the primary suspension? What is secondary suspension?

A

Primary- rubber laminated springs
Secondary- air suspension springs and airbags

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6
Q
  1. Where are the air suspension isolating cocks located?
A

B side towards 2 end

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7
Q

What cocks are located underneath the coupler cover?

A

Uncouple isolate, towing unit isolate, brake pipe end cock, main res end cock and horn

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8
Q

If the stopping aid camera fails to operate what are the drivers actions?

A

Once the train has come to a stand, manually operate the stopping aid to confirm the position of the train and follow the relevant overshoot stopping short procedure if required

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9
Q

When will the sdu automatically operate?

A

When the train stops a scheduled stop, 10m prior to the stopping mark until approx 20m after the whole train has cleared the platform

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10
Q

What are the components of the air supply unit?

A

Main compressor, air dryers and air filters

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11
Q

What is the purpose of the shore equipment and who uses it?

A

To provide the hcmt with compressed air and or electricity when within the workshops

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12
Q

What is the purpose of the towing unit?

A

To allow hcmt to interface with other rolling stock via a brake pipe

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13
Q

What is the purpose of the high voltage box?

A

It supplies power to the traction and auxiliary power supply systems

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14
Q

What equipment is located in the hv box?

A

Harmonic wave detection device
Hscb

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15
Q

What is the function of the vvvf cabinet?

A

It converts 1500vdc to 3 phase variable and variable frequency for powering the traction motors

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16
Q

What equipment is located within the vvvf cabinet?

A

Traction control unit
Traction inverter modules

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17
Q

What is the purpose of the auxiliary compressor?

A

The compressor raises the pantos if the is insufficient main res pressure

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18
Q

What car is the auxiliary compressor located?

A

Dmp cars

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19
Q

How would you isolate the pantos on the dmp car?

A

Isolated via saloon in the cabinet u12

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20
Q

What is the eas system?

A

The electronic access system which uses touch cards to allow enterance to the driving cabs

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21
Q

How long after releasing the hand and foot pilot valve do we get a penalty brake application

A

1.5sec

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22
Q

How long should the batteries provide emy power for?

A

2 hours

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23
Q

Which doors have fixed wheelchair ramps?

A

Doors 1 and 2 of tc cars

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24
Q

What doors have portable wheelchair ramps?

A

1 and 2 of dmp cars

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25
Q

Which doors have the ders fitted externally (ead) and internally (eed)?

A

All doors

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26
Q

What are the positions of the reverser?

A

Fwd
Neutral
Rev
Off

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27
Q

What equipment is located in the a side electrical cabinet?

A

Cb
Comms equipment
Isolation override controls
Vigilance equipment

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28
Q

What equipment is located in the b side electrical cabinet?

A

High capacity signalling equipment

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29
Q

In which car is the fire extinguisher located?

A

The higher numbered mp car
-97

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30
Q

How is the emy brake reset after a trip activation?

A

Trip reset switch must be turned at ojt panel before moving the reverser to neutral and fwd positions

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31
Q

What isolating cock is behind cabinet b07 next to door 3

A

Park brake

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32
Q

What isolating cock is behind cabinet b06 next to door 4?

A

Brake supply

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33
Q

Where should the platform stopping mark be located when using stopping aid cameras?

A

Between the 2 superimposed red lines

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34
Q

What are the 3 alert types on the hmi and what do they each contain?

A

Alert level 1- flashing red with audible tone
Alert level 2- flashing yellow with audible tone
Alert level 3- steady yellow no tone

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35
Q

When will the sdu automatically operate and when will it come off?

A

When the train stops at scheduled at a scheduled stop 10m prior to the stopping mark and until approx 20m after the whole train has cleared the platform

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36
Q

What will the driver see after a der has been pulled within the saloon?

A

Alert level 3 and sdu will display camera above activated der

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37
Q

What position does the set speed switch need to be in prior to entering a siding?

A

Yard mode

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38
Q

What images are displayed on the sdu after the set speed switch is placed into yard mode?

A

Fwd facing camera
Stopping aid camera which has been adjusted for a lower stopping mark

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39
Q

What is the purpose of the dynamic tab on the sdu images and the tms heartbeat on the hmi screen?

A

To confirm the images are live and not frozen

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40
Q

After how long will a pei call be escalated to tc and metrol?

A

30 secs

41
Q

On the train pictogram what does a grey indication of the door tile mean?

A

Doors are closed and inhibited

42
Q

On the train pictogram what does a green indication of the door tile mean?

A

The doors are closed but not inhibited

43
Q

On the train pictogram what does a white indication of the door tile mean?

A

The door is open

44
Q

On the train pictogram what does a red indication of the door tile mean?

A

Door has failed

45
Q

On the train pictogram what does a yellow indication of the door tile mean?

A

Door is isolated

46
Q

On the train pictogram what does an empty box (black) indication of the door tile mean?

A

The door status is unknown

47
Q

How is a td number entered into the hmi?

A

Press pids control on main status screen
Press set tdn for current run and the td entry screen will appear
Use the keypad and press enter

48
Q

What is the purpose of the harmonic wave detection device?

A

To safeguard against power quality problems in the traction system or overhead supply

49
Q

What equipment is powered by the 415vac medium volt circuit?

A

Battery charger
Main compressor
Traction cooling system
Hvacs

50
Q

What is the output from the battery chargers?

A

110vdc

51
Q

In the event of lose of overhead what items must still function

A

Saloon door controls work as normal
HVAC fresh air fan will operate for at least two hours
Saloon lighting will reduce to 50% of normal brightness after 10 mins

52
Q

Does the hcmt have external or internal smoke detection?

A

Both

53
Q

What 4 mcbs will disable a train if tripped in the active cab?

A

Can activation
Traction control unit
Emy brake loop power supply
Brake control supply

54
Q

What things can cause the safety loop to de-energise? (8 answers)

A

-Mc to emy brake
-esb being pressed
-hand or foot pilot valve not set
-main res below 600kpa
-activation of the trip
-not acknowledging the vicers button
-safety system bypass reminder timing out
-towing unit demand for emy brake

55
Q

What conditions must be met in order to reset the safety loop?

A

Train must be stationary for 3 seconds
Whatever cause the emy application to be reversed
Mc to be put into max brake position
Reverser to be moved in the neutral position

56
Q

After the trip application, how long will the post trip speed restriction apply for?

A

500 secs

57
Q

How is the post speed restriction cancelled?

A

By raising the silver cover and pressing the button marked trip speed located on the drivers dashboard

58
Q

What braking systems are found on each car?

A

Ep- All cars
Emy- all cars
Holding- all cars
Park brake- middle 5 (dmp-mp-dt)
Ed- motor cars (dmp and mp)

59
Q

What is main res pressure

A

850-1000kpa

60
Q

What is emy brake pressure?

A

280-460kpa

61
Q

What is max brake pressure?

A

250-380kpa

62
Q

What is holding brake pressure?

A

140-240kpa

63
Q

What is the normal pressure range for the hcmt?

A

+/- 20kpa

64
Q

At what pressure will the safety valve open?

A

1050kpa

65
Q

What pressure will the safety loop open when main res is falling?

A

600kpa

66
Q

What are the mainline and revenue (pre-movement) time limits?

A

40 mins for mainline
20 mins for revenue

67
Q

What is max speed for the set speed switch in yard mode?

A

15km/h

68
Q

What is max speed for the set speed switch in wash mode?

A

3.5km/h

69
Q

After stabling a train, how long could it take for the train to stable if a data upload is required?

A

60 mins

70
Q

When can a driver leave the train after stabling?

A

As soon as the data upload message appears on the hmi

71
Q

What does the 4 digit number on the hcmt train represent?

A

9= a hcmt
2nd digit= car number/type
Last two= set number

72
Q

When exiting the train how do you leave the ojt seat?

A

In the parked position

73
Q

During a train prep from which cab are the train certificate tests performed and how long approx does it take?

A

Trailing cab
7 mins

74
Q

During a prep, which cab is the brake detailed certificate test done in?

A

Leading cab

75
Q

Which switch do you use to turn the train on once arriving at a stabled train?

A

Stable/start up switch

76
Q

What message should be displayed on the hmi when starting a prep on a train? Who do we contact if it’s incorrect?

A

Tms vacant operations
Tc at metrol

77
Q

Where are the tread scrubbers located?

A

Tc car wheels 3 and 4

78
Q

What does asdc mean in relation to the doors?

A

Automatic selective door controls

79
Q

What is the purpose of the asdc?

A

It manages the door systems to prevent wrong side door release when stopping at a platform

80
Q

What distance can a driver overshoot a platform and still be able to release the doors?

A

10m

81
Q

What happens to the saloon doors in relation to a substandard beacon read?

A

The etis system will prevent the first or last doors to be released

82
Q

How would a driver be aware of an asdc beacon failure read?

A

A level 2 alert appearing on hmi
(Stopping aid cameras may fail to come on)

83
Q

During an asdc beacon read failure what is the procedure to be followed to allow safe operations of the saloon doors?

A

A- announcement = make a pa to inform delay of doors releasing
S- sdu= use sdu to check which doors are alligned on the platform
D- door= physically check which side the platform is
C-cover = lift the cover and press asdc override button for the correct side. Select first and last cars that are to be alligned with the platform on the hmi. Press doors open

84
Q

When a der is pulled how long does it take before it moves to stage two allowing the doors to be opened?

A

20 seconds

85
Q

After the der has been activated how long does the driver have to press der inhibit?

A

20 seconds

86
Q

After pressing door inhibit button, how long will the der be unavailable for?

A

120 seconds

87
Q

How long does the external cab emy access device button have to be pressed for?

A

10 seconds only in an active cab

88
Q

What force is used to raise the pantos?

A

Electro-pneumatic

89
Q

How much main red pressure is required before raising the pantos?

A

700kpa

90
Q

When will the internal fire doors close?

A

When 1 internal smoke detector detects smoke
Train is stabled

91
Q

Which cars are fitted with internal fire doors?

A

Dmp and dt cars

92
Q

After pressing the ead inhibit button, how long will it keep the cab door from releasing?

A

5 mins

93
Q

If we are stabling a train do we hold the train stable switch?

A

No, no more than 3 seconds

94
Q

What colour is the park brake tile when it’s applied?

A

Red

95
Q

What is the purpose of the battery charger?

A

Converts 415vac to 110v dc

96
Q

What does the pantos lowered on the pictogram mean?

A

That the pantos have lowered in real life

97
Q

What is the purpose of the surge res?

A

To provide air to the air suspension

98
Q

How long can it take for the train to stable?

A

60 mins

99
Q

If in yard mode can the train be prevented from rolling over 15km/h

A

No

kayla sewell (22 decks)

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