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MT Trainee > Traction HCMT - Revision > Flashcards

Traction HCMT - Revision Flashcards

1
Q

What is the train consist

A

TC-DMP-MP-DT-MP-DMP-TC

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2
Q

What equipment is found on the roof of a DMP and MP?

A

Pantagraph saloon, HVAC, Air exhaust

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3
Q

What is the equipment found on the roof of a tc

A

Cab exhaust, air exhaust, saloon HVAC

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4
Q

What is the BCM. What side of the car is it located on. What cocks are located within it

A

Break control model
A side of all cars
Break supply isolating cock, Break cylinder isolating cocks one and two, Park.
Break isolating cock on all cars except tc, Treadscrubber on tc cars, Sending equipment isolating cock

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5
Q

What is the primary form of suspension?What is the Secondary form of suspension

A

Rubber lemonaded springs
Air suspension springs and airbags

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6
Q

Where are the suspension isolating cocks located

A

On b side towards number two end

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7
Q

If the stopping aid camera fails to operate what are the driver’s actions

A

Train comes to a stand
Manually operate the stop aid to confirm the Position of the train
Follow the overshoot stopping short procedure

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8
Q

What are the cocks located underneath the couple cover

A

Uncouple Device iso
Towing unit iso
Break pipe
Main res
Horn iso

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9
Q

When will the SDU automatically operate

A

Train stops at scheduled stop
10m prior to stopping mark, until 20m after whole train has cleared platform

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10
Q

What are the components of the air supply unit

A

Main compressor
air dryers
filters

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11
Q

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

A

Provides compressed air and all electricity When within the workshop

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12
Q

What is the purpose of the towing unit

A

To allow interface with other rolling stock via a break Pipe

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13
Q

What is the purpose of the high voltage box

A

Supply power to the traction and auxiliary power supply systems

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14
Q

What equipment is contained within the high voltage box

A

Harmonic wave detection device and high speed circuit breaker

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15
Q

What is the function of the variable voltage and variable frequency cabinet

A

It Converts 1500 volt dc Power into three phase variable voltage and variable Frequency for powering the traction Motors

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16
Q

What equipment is located withint the VVVF

A

Traction control unit
Traction inverter modules

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17
Q

What is the purpose of the auxiliary compressor

A

Raises the pantographs if there is insufficient main reservoir pet pressure

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18
Q

What pressure does main res need to reach in order for the auxiliary compressor to raise the pantos

A

400-450

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19
Q

What cars is the Auxiliary compressor located on

A

D m p

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20
Q

How would you raise the Pantos on dmp cars

A

Saloon U12

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21
Q

What is the EAS system

A

Electronic access system
Touch cards to gain entrance to cabs

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22
Q

Penalty Break application timing After releasing pilot Valve

A

1.5 seconds

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23
Q

How long do batteries provide emergency power for?

A

Two hours

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24
Q

Which doors have fixed wheelchair ramps located

A

Does one and two of tc cars

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25
Q

Which doors have portable wheelchair ramps located

A

Does one and two of dmp cars

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26
Q

Which doors have DER’s fitted internally and externally

A

All doors

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27
Q

What are the positions of the reverser

A

Fwd
Neutral
Reverse
Off

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28
Q

What equipment is located in the cab A side cabinet

A

Circuit breakers
Communications
Isolation override controls
Vigilance equipment

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29
Q

What equipment is located in the B side cabinet

A

High capacity signalling equipment

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30
Q

Where is the saloon fire extinguisher located

A

The higher numbered MP car (97_ _)

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31
Q

How is the emergency break reset after a trip activation

A

Trip reset switch OJT panel
Reverser to neutral then fwd

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32
Q

What is the isolating cock in b07 next to door three

A

Park break isolating cock

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33
Q

What isolating cock is located in b06 next to door four

A

Break supply isolating cock

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34
Q

Where should the platform stopping mark be located when using the stopping aid camera

A

Between the two super imposed red lines

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35
Q

How is the driver notified of a level one alert

A

Flashing red bar with an audible tone

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36
Q

How is the driver notified of a level two alert

A

Flashing yellow bar with an audible tone

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37
Q

How is a driver notified of a level three alert

A

Steady yellow bar

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38
Q

When will the SDU automatically operate

A

10m prior to stopping mark until 20m after whole train cleared platform

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39
Q

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

A

Yard mode

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40
Q

What images are displayed on the SDU after the set speed switch is placed to yard mode

A

Forward facing camera
Stopping aid camera (adjusted for lower stopping mark)

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41
Q

What will a driver see if DER pulled inside saloon?

A

Level 3 alert
SDU display camera above activated DER

42
Q

What is the purpose of the dynamic tab on the SDU Images and the tms heartbeat on the hmi screen

A

To confirm screen images live not frozen

43
Q

PEI time out

A

30 seconds

44
Q

Train pictogram gray indication on door

A

Doors are closed and inhibited

45
Q

Train pictogram green indication on door

A

Doors are closed not inhibited

46
Q

Train pictogram white indication on door

A

Door is open

47
Q

Train pictogram red indication on door

A

Door has failed

48
Q

Train pictogram yellow indication on door

A

Door is isolated

49
Q

Train pictogram empty box indication on door

A

Unknown status

50
Q

How to enter TDN on HMI

A
  • PIDS control button on main status screen
  • press set TDN for CURRENT RUN
  • use keypad to enter TDN and press enter
51
Q

Purpose of harmonic wave detection device

A

Safeguard power quality problems in traction system or overhead supply

52
Q

What equipment is powered by 415vAC medium voltage circuit

A

Battery charger
Main compressor
Traction cooling systems
HVACs

53
Q

What power is output from the battery chargers

A

110vDC

54
Q

In the event of loss of overhead what happens to saloon doors, HVAC and saloon lighting on battery power

A

Saloon door controls = normal
HVAC fresh air fan = 2 hours
Saloon lighting = 50% brightness after 10 minutes

55
Q

Does the hcmt have external or internal smoke detectors

A

They have both

56
Q

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

A

BETC
Cab activation
Traction control unit
Emergency brake loop power supply
Brake control supply

57
Q

What things could cause the safety loop to de-energise

A
  1. Master controller in emg
  2. ESB pulled
  3. H/FPV not set
  4. MR below 600
  5. Activation of trip
  6. Not acknowledging VICERS button
  7. Safety system bypass reminder timing out
  8. Towing unit demand for an emg brake
58
Q

How to reset safety loop

A
  • train stationary 3 seconds
  • reverse the cause of emg application
  • MC to MAX brake
  • Rvser to neutral
59
Q

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

A

500 seconds (8m 20s)

60
Q

How is the post trip speed restriction cancelled

A

On drivers dashboard - Raising silver cover and pressing trip speed button

61
Q

What brake systems are found on a TC

A

EP
Holding
Emergency

62
Q

Brake systems on a DMP

A

EP
Holding
Emergency
Park
ED

63
Q

Brake systems on an MP

A

EP
Holding
Emergency
Park
ED

64
Q

Brake systems on a DT

A

EP
Holding
Emergency
Park

65
Q

MR operating range

A

850-1000

66
Q

Emergency pressure range

A

280-460

67
Q

Max brake pressure range

A

250-380

68
Q

Holding brake pressure range

A

140-240

69
Q

What is the variance pressure on HCMT guages?

A

+ or - 20kpa

70
Q

What pressure do safety valves statt discharging

A

1050kpa

71
Q

What MR pressure will safety loop open

A

Below 600kpa

72
Q

HCMT mainline prep

A

40 minutes

73
Q

HCMT revenue/pre movement prep

A

20 minutes

74
Q

Yard mode set speed

A

15km

75
Q

Wash mode set speed

A

3.5km

76
Q

Stabling - data upload requirement time

A

60 minutes

77
Q

When can a driver leave the train after stabling

A

As soon as data upload msg on HMI

78
Q

What does the 4 digit number on thr HCMT represent

A

9 = HCMT
Second digit = car number/type
Last two digits = train set

79
Q

OJT seat position when exiting train

A

Parked

80
Q

During train preparation which cab are the train certificate tests performed from

A

Trailing cab

81
Q

During train preparation approximately how long do the train certificate tests take?

A

7 minutes

82
Q

During preparation from which cab is the break detailed certificate tests conducted

A

Leading cab

83
Q

What switch within the aside electrical cabinet is used to activate battery power during train start up

A

Stable/start-up switch

84
Q

What message needs to be displayed on the HMI when starting prep, who do we contact if it’s wrong?

A

TMS vacant operations
TC @ metrol

85
Q

Where are the treadscrubs located

A

TC cars next to wheels 3 and 4

86
Q

What does ASDC mean in relation to doors?

A

Automatic selective door control

87
Q

What is the purpose of the ASDC

A

Manages door systems to prevent wrong side door release when stopped @ platform

88
Q

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

A

10m

89
Q

What happens to the saloon doors in relation to a substandard bacon read

A

The eTIS system prevents either the last or first doors from being released

90
Q

How would a driver be aware of an ASDC beacon read failure

A

Level 2 alert
Stopping aid may also fail to operate

91
Q

During an ASDC beacon read failure what is procedure to allow safe operation of doors?

A

A Announcement - make PA
S SDU - ensure door alignment
D Door - confirm platform side
C Cover - lift cover, press ASDC override button for correct platform side, select first and last cars that are aligned with platform on HMI, then press door open button.

92
Q

When a DER is pulled, how long before moving to stage 2?

A

20 seconds

93
Q

When a DER is activated, how long has a driver got to press inhibit button?

A

20 seconds

94
Q

After pressing DER inhibit button how long will DER be unavailable for?

A

120 seconds

95
Q

How long does an external ca emergency access device button have to be pressed before someone could gain access to the cab

A

10 seconds (In active cab)

96
Q

After pressing EAD button, how long is cab door prevented from releasing

A

5 minutes

97
Q

What force is used to raise the pantographs

A

Electro pneumatic

98
Q

How much main reservoir pressure is required before raising the pantographs

A

700kpa

99
Q

When are the internal fire doors closed

A

When internal smoke has been detected and when the train is stabled

100
Q

Which cars are fitted with internal fire doors

A

DMP and DT

101
Q

Door indication flashing red

A

DER (EED) pulled to stage 2, or
EAD activated, or
Button held down

MT Trainee (53 decks)

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