HCMT Faults Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Which level of alert required immediate attention?

A

Level 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which BPS causes the safety system fault light to illuminate? (4)

A

• Traction Interlock
• Zero Speed
• Trip
• Driver Safety Device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What brake must be used on a Comeng on non-electrical rescue with another train?

A

Air brake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When safety system acknowledge button is active, in what intervals must it be pressed to avoid emy brake application?

A

30s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When performing a ‘Hard stable’ how long does a driver hold the start up button for?

A

7 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the purpose of the traction interlock BPS?

A

To obtain traction power if there is a fault on the door status loop circuit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What BPS does a driver use with a fault with the hand and foot pilot valve?

A

Driver safety device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

MR pressure switch is used when coupled to which EMU?

A

Comeng

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False
The trip bypass must be operated if the trip has been isolated?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

True or false
When the recovery switch is operated the HCMT automatically matches the MR pressure of the attached train?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In the event of a pulse switch module, which BPS needs to be operated?

A

Get home mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What’s position 3 of the recovery switch?

A

Pulled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What’s position 3 of the recovery switch?

A

Pulled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What’s position 2 of the recovery switch?

A

Pulling other train

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which BPS if operated requires you to detrain passengers if operated?
(5 answers)

A

• MR Pressure Switch
• Traction Interlock
• zero speed
• trip
• drivers safety device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

3 main electrical faults?

A

• Circuit breakers
• Traction
• Auxiliary Power

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which system monitors the status of the position of the CBs?

A

eTIS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

When conducting a recovery procedure the HCS must be isolated?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Max amount of times a driver can re-set a CB?

A

Twice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

At what BP pressure will the EMy brakes apply when in recovery mode

A

300kpa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which of the follow are considered single point failure CBs?
(4 answers)

A

• Cab activation
• brake control supply
• emy brake loop supply
• traction control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

True or False
If the single point CBs cannot be re-set the train needs to be declared disabled?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

If the driver is presented with a traction and or aux fault, which button should a driver press to rectify the fault?

A

TCU/ACU reset

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the most likely cause of the traction and aux power failing simultaneously?

A

HSCB tripping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What the functions of the towing unit?

A

It’s for the HCMT brake control to interface with other rolling stock via a traditional brake pipe connection

It reads and writes BP signals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The HCMT is fitted with a continuous brake pipe?

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

True or False

Most electrical system will self isolate?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Where is the uncouple button located?

A

OJT panel

29
Q

When on the mainline, what needs to be met for a hard stable?

A

• Being on a platform
• Protected by a home signal
• Not fouling level crossings
• TC permission

30
Q

How will an defective door, open or close, be shown on the screen?

A

Red

31
Q

How will an isolated door be shown?

A

Yellow

32
Q

How many times will an obstructed door attempt to close before returning to the open position?

A

4

33
Q

Which scenarios will prevent a driver from obtaining traction? (3 answers)

A

• Obstructed door
• Trailing cab left open
• External EAD

34
Q

True or False
If a bulkhead door cannot be closed, the driver must operate the traction interlock BPS to obtain traction?

A

False

35
Q

If an internal emy release door is in stage 1 when stationary, how long before it could be open by a passenger?

A

20 seconds

36
Q

After pressing the DER inhibit for door activation how long is it inhibited for?

A

120 seconds

37
Q

How long does the cab EAD override inhibit the doors from releasing?

A

5 min

38
Q

What are the drivers duties when isolating an affected door?

A

Tri key into mechanical isolation hole, rotate key in isolate position, observe the door indication lamp is illuminated red, push saloon door open button to confirm its lock, sticker

39
Q

If an external saloon emy access device (EAD) has been operated, traction power is available?

A

No

40
Q

What are the drivers duty when re-setting the DER?

A

• Release platform side doors
• Make PA
• Press DER INHIBIT button (if DER activated off-side), to extend timer one last time before exiting cab
• Log a TEC
• Conduct Full Cab Unattended
• Locate door
• Once affected door has been located:
- Check DER handle clear of obstruction
- Remove obstruction (if required)
- Return DER handle to upright position and close flap

41
Q

After an external saloon emy access device (EAD) has been activation, manually closing the doors will auto reset the eTIS?

A

Yes

42
Q

If an open external saloon emy access device (EAD) cover is not assessable on the platform side, it should be left open and closed on the next available station stop on the correct platform side?

A

Yes

43
Q

How long must the external cab emy access device (EAD) be pressed before the cab door releases?

A

10 seconds

44
Q

True or False
If there is a substandard beacon read, any doors that are not identified to be on the platform will remain grey and be inhibited from opening?

A

True

45
Q

What are the steps of the ASDC override procedure?

A

• PA
• SDU to check doors
• Identify correct platform side by opening cab door
• Press ASDC override button and select cars to release
• Press door release for platform side
• Report fault and lost time to Metrol

46
Q

Which isolating cock should be used to pneumatically isolate a panto?

A

Saloon area isolating cock (U12)

47
Q

What are the drivers duties if presented with a brake disc over temperature warning TMS alert?

A

Operate at low speed, submit TMM

48
Q

Physical signs of brake faults include?

A

• Smoke
• Retardation
• Smell
• Passenger report

49
Q

When safe to do so what is the drivers duties if presented with a dragging brake bogie car XXX TMS alert?

A

• Main status screen on page 2 on the HMI to observe brake cylinder pressure
• MC to coast
• Observe brake cylinder pressure to below 20KPA
• MC to max brake and back to coast
• Repeat fanning the brakes
• Observe brake cylinder pressure to ensure sticking brake has released

50
Q

True or False
If sticking brake does not release, it must be isolated?

A

True

51
Q

If an individual bogie must be isolated, which isolating cock would the driver operate?

A

The one outside in the BCU

52
Q

True or False
If both bogies on a Tc car require isolation, the train must be declared disabled?

A

True

53
Q

True or False
There is no requirement to isolate the park brake when isolating EP friction brakes?

A

False

54
Q

What indications would a driver get if there is a leak or rupture of 1 or more airbags?

A

Flat airbag tile illuminated, TMS

55
Q

Where are the air suspension isolating cocks?

A

B side, end 2

56
Q

Whats the max speed with defalted airbags?

A

40km/h

57
Q

True or False
If the driver is required to isolate the air suspension, both bogie 1 and 2 isolating cocks must be operated?

A

True

58
Q

If the lead Tc car main res reads 999kpa and the trailing Tc reads 510kpa where is the leak?

A

The trailing Tc

59
Q

True or False
Is there is a MR failure in the Tc car the train is unbraked?

A

True

60
Q

What Equipment is lost with a MR failure in a Tc Car?
(8 answers)

A

Trip – loss of function
Holding Brake – loss on Tc car
Emergency Brakes – Loss on Tc car
Friction Brakes – loss of service brake on Tc car
Sanders – affected car
Horn - inoperative
Air Suspension – 40km restriction
Drivers & OJT seat – no suspension

THE-F-SHAD

61
Q

Where are the MR end/through cocks?

A

B side, 1 end and 2 end of every car

62
Q

In the event of a MR fault on a Tc car which equipment must be isolated?

A

• MR
• Air compressor
• Trip

63
Q

In the event of a MR fault in a DMp car which equipment must be isolated?

A

• MR
• Park Brakes

64
Q

True or False
With MR failure on a DMp, the panto may remain raise due to the operation of the Aux compressor?

A

True

65
Q

What equipment is lost with a MR failure in a Mp Car?
(7 answers)

A

• Traction Motors – lost of ED brakes
• APS (Auxiliary Power Supply) in Tc Car (variable) depending on the position on the Mp in the consist
• Pantographs – no 1500v DC
• Friction Brakes – on affected car
• Air Suspension – 40kms
• Park Brakes – remain in APPLIED position
• Sanders – affected car

TAP-FAPS

66
Q

What equipment is lost with a MR failure in the centre Trailer car (DT)?
(4 answers)

A

• Friction brakes – on affected car
• Air suspension – 40km speed restriction
• Park Brakes – remain in APPLIED position
• Sanders – on affected car

FAPS

67
Q

True or False
There is no electrical connection on a HCMT coupler?

A

True

68
Q

Where is the transition coupler located?

A

Tc car