HCMT Flashcards

(66 cards)

1
Q

What Level alert requires immediate action from the driver?

A

Level One

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2
Q

Which Bypass switches when operated would cause the Safety System Bypass Fault Light to illuminate?

A

Traction Interlock

Zero Speed

Trip

Drivers Safety Device

… not get home or MR switch

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3
Q

How long do you have to acknowledge the Safety System button?

A

30 seconds

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4
Q

How long do you turn the switch to stable to ‘Hard Stable’?

A

7 seconds

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5
Q

What is the purpose of the Traction Interlock Bypass switch?

A

Allows you to obtain traction power if there is a fault on the door status loop

… door loop bypass …

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6
Q

Which Bypass would the driver operate in the event of a defective hand or foot pilot valve?

A

Driver Safety Device

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7
Q

The MR Pressure switch is to be operated when a HCMT is coupled to what train type?

A

Comeng

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8
Q

Trip Bypass switch must be operated if the Trip has been isolated?

A

True

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9
Q

In the event of a Pulse Width Module failure which bypass switch/button would the driver be required to operate?

A

Get Home Mode

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10
Q

Which of the following bypass switches would require a driver to detrain passengers?

A

MR Pressure Switch

Traction Interlock

Zero Speed

Trip

Driver Safety Device

…. not HCS, or get home

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11
Q

What are the main electrical faults that can occur on a HCMT?

A

CBs tripping

Traction Faults

Auxiliary Faults

… not MR faults

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12
Q

Which system monitors the status and position of CBs on a HCMT?

A

eTIS

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13
Q

What is the maximum number of times you can reset a CB?

A

Twice

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14
Q

Which CBs if tripped and can’t be reset will cause the train to be declared disabled?

Single point failure CBs

A

Brake Control Supply

Emergency Brake Loop Power Supply

Traction Control

Cab Activation

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15
Q

If a driver is presented with a Traction and/or Auxiliary Fault which button would the driver press to attempt to rectify?

A

TCU/ACU Reset

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16
Q

What is the most likely cause of the Traction and Auxiliary Power systems failing simultaneously

A

HSCB Tripped

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17
Q

Most electrical systems will self isolate if a fault is detected?

A

True

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18
Q

When on mainline what conditions must be met prior to performing a train stable for fault rectification?

A

Permission from TC

At a platform

Protection of home signals

Not near LVLX

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19
Q

What does a red door on pictogram indicate?

A

Door failed (defective)

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20
Q

What does a yellow door on pictogram indicate?

A

Isolated

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21
Q

How many times will a door attempt to close?

A

4

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22
Q

Which of the following door scenarios will prevent driver from being able to obtain traction?

A

Obstructed door

Trailing cab door open

External saloon DER

… not bulkhead door

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23
Q

If a bulkhead door cannot be closed the driver must operate the Traction Interlock Bypass?

A

False

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24
Q

How long is a DER in stage 1 for?

A

20 seconds

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25
How long does the DER Inhibit work for?
120 seconds
26
What are the drivers duties when resetting a DER?
Check DER handle clear of obstruction Remove obstruction if required Return DER handle to upright position and close flap Yes ... all of the above
27
What are drivers duties when isolating a defective door?
Inset Tri-key into mechanical isolation port Rotate key 90 degrees clockwise Observe door indication lamp illuminated Push saloon door open button to confirm door is manually locked Apply door not in use stickers ... don't operate traction interlock bypass
28
If an external DER has been operated is traction still available?
No
29
If an external DER has been pulled on the side of the train you can't access do you request track access or wait until next platform where you can access it?
Wait until next platform when you can get to that side
30
For how long do you need to press Cab EAD button?
10 seconds
31
How long does EAD Inhibit work for?
5 minutes
32
If you get a substandard beacon read any doors that are not identified as being on the platform will remain gray on the train pictogram and will be inhibited from opening?
True
33
What is the ASDC override procedure
PA - short delay before doors released SDU - observe cameras to ensure leading and rear cars aligned with platform Door - open cab door on platform wide to confirm platform available, close cab door Button - press appropriate side ASDC Override button on correct side and select which cars to release Press door release for platform side Report fault to Metrol
34
Which IC should be used to pneumatically isolate a pantograph
Saloon IC - DMp car, A side, No. 1
35
What are the drivers duties if presented with a brake disc over temperature warning
Operate at a low speed Submit TMM
36
Physical sign of brake faults include
Smoke Unexpected retardation of train Smell Passenger report
37
When safe to do so what are drivers duties when presented with dragging brake bogie car TMS Alert
Main Status Screen MCH to COAST MCH to Max Brake MCH to COAST Repeat fanning Observe BC pressure below 20 to ensure brake has released ... don't go to emergency, don't declare train disabled
38
If a sticking dragging brake does not release it must be isolated?
True
39
If an individual bogie must be isolated which isolating cock would the driver operate?
Outside ICs - turn brake cylinder bogie IC. (brake cylinder ... not brake supply)…. ... Inside IC - isolates both bogies
40
There is no requirement to isolate park brakes when isolating the EP Friction brakes?
False
41
What indications would a driver get if there was a leak or rupture of one or more air bags?
Air bags fault light TMS Alert
42
Where are air suspension isolating cocks located?
B2
43
Maximum speed with deflated air suspension?
40kmh
44
If a driver is required to isolate air suspension would you have to isolate bogie 1 and 2?
Yes
45
If Status screen indicates large variance between MR pressure at lead vs trailing cab what does it indicate?
MR leak towards lower end
46
If there is a MR failure on a TC car is the car unbraked?
Yes
47
If there is a MR rupture on a Tc car which of the following equipment will be lost?
Trip Emergency Brake Holding Brake Air Suspension Horn Driver and OJT seats Sanders ... not pantographs or park brakes
48
Where are MR through cocks located?
B side, 1&2 end of every car
49
In the event of a MR fault on a Tc which of the following equipment must be isolated?
MR Trip Compressor ... no pantograph
50
In the event of MR fault on a Dmp which of the following equipment must be isolated?
MR Park Brake ... No trip, compressor
51
In the event of a MR fault on a Dmp car may the pantograph remain raised?
Yes - due to auxiliary compressor
52
In the event of MR failure on a Mp car which of the following equipment is lost?
Friction brakes Park Brakes Pantograph Air suspension Sanders ... no trip, compressors
53
In the event of a MR failure on a DT car which of the following equipment would be lost?
Friction Brake Park Brake Air Suspension Sanders ... no panto, compressor
54
There is no electrical connection on the HCMT semi-automatic coupler
True
55
Where is the transition coupler located?
Tc Car - A side
56
Where is the Uncouple button located?
OJT Panel
57
Is HCMT fitted with a continuous Brake Pipe?
No
58
What are the functions of the Towing Unit?
Generates and interprets BP signal and EP demand during train rescue Provides the means for the HCMT brake control to interface with other rolling stock via a traditional brake pipe
59
Irrespective of recovery mode that the HCMT is in a drop in BP pressure below what value will initiate an emergency brake application?
300
60
When conducting recovery procedures do we need to isolate the HCS equipment?
Yes
61
What is position 2 on the recovery switch?
Pulling
62
What is position 3 on the recovery switch?
Pulled
63
When the recovery switch is operated the HCMT immediately matches the MR pressure of the attached train?
False - not immediately
64
What brake must be used on a Comeng train during a non-electrical rescue?
Air Brake
65
If both bogies isolated in Tc car is train disabled
Yes
66
If external DER has been activated, closing doors will automatically reset.
Yes