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Metro157 > Siemens Cab equipment/Train overview > Flashcards

Siemens Cab equipment/Train overview Flashcards

1
Q

What is the holding brake pressure?

A

110KPA

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2
Q

What is the speed threshold for the holding brake on a Siemens?

A

0.2km

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3
Q

At what speed can’t you apply your spring park brakes?

A

5km/h

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4
Q

What happens if you apply your spring park brake at that speed and over?

A

Safety loop de energises, emergency brake goes on

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5
Q

What is the brake pressure for B1?

A

57KPA

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6
Q

What is the Brake pressure for B6?

A

189kpa

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7
Q

At what pressure increments does the pressure go up from B1 to B6

A 
26kpa to 27kpa
B1-57KPA
B2-83KPA = 26KPA
B3-109KPA = 26KPA
B4 - 136KPA = 27KPA
B5 - 162KPA = 26KPA
B6 - 189KP = 27KPA
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8
Q

What is emergency brake cylinder pressure?

A

280KPA

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8
Q

What is the job of a static inverter?

A

To convert 1500vdc from the pantographs and traction storage into 400vac

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9
Q

Where are the static inverters located?

A

Trailer cars

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10
Q

How many static inverters per car?

A

2

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11
Q

What happens if 1 static inverters” becomes defective and inoperative?

A

HVAC runs at 50% capacity

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12
Q

What happens if both static inverters become defective and inoperative?

A

Train fails to power

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13
Q

If the safety loop is bypassed, what emergency button is working?

A

Lead car only

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14
Q

What is the dead mans switch?

A

Test function for the hand and foot pilot valve

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15
Q

How long is the dead mans switch active?

A

60 seconds

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16
Q

When is set speed used?

A

For coupling and low speed shunting movements

17
Q

What is the set speed limited too?

A

6km/h and an over speed light comes on

8km/h an emergency brake comes on

18
Q

What happens when you travel over 119km/h?

A

Traction is lost and the train cannot accelerate

19
Q

What happens if you travel over 120km/h

A

Over speed light illuminated

20
Q

What happens if you go above 125km/h?

A

Emergency brake applies

21
Q

What is a critical defect verbatim?

A

Critical defects are safety critical failures of the pneumatic friction brake system or a complete loss of Auxillary power (two defective static inverters)

22
Q

Where is the first aid kit located?

A

Cabinet top right near b side wall

23
Q

Where are the ATWs?

A

Beneath the cabinet

24
Q

Where are the emergency track circuit jumper cables?

A

In a shelf above the cabinet

25
Q

Where are the red and green flags?

A

To the left of the cabinet in their own recepticals?

26
Q

Where is the fire extinguisher?

A

A side under the desk

27
Q

Where is the switch stick

A

Beneath the cabinet

28
Q

If you drop the foot or hand pilot valve, what happens?

A

Audible tone for 3 seconds then after a further 3 seconds the safety loop opens (emergency brake)

29
Q

What happens if the cab/train manned circuit breaker is tripped?

A

Active cab will become non active and safety loop opens

Driving is only possible from another cab

30
Q

Where is the Trailer MCB panel located?

A

To the side of door two at 2 end of the car

31
Q

What does brakes cut out bogie 2 fault light mean in a trailer car fault panel?

A

Friction brake of bogie 2 has become isolated

32
Q

How is a Siemens cars arranged?

A

DMA - T - DMB

33
Q

How do you identify a DMA?

A

It has a PA circuit breaker

34
Q

How do you identify a DMB

A

It is equips with a CCTV recorder circuit breaker

35
Q

How do you identify what end you are on from the outside?

A

Air compressor indicates A side, 1 end

Battery box indicates B side 2 end

36
Q

How do you identify what end you are in from the inside of a trailer car?

A

T car fault panel on the ceiling to the right of door 2 at 2 end

37
Q

Name the roof mounted equipment

A

Pantograph
Antenna
Surge arrester
HVAC

38
Q

What main res pressure does the safety loop open?

A

600KPA

39
Q

How do you make a cab to saloon call?

A 
Press cab to saloon
Press button on much
Relay your message
Hang up mic
Press cab to saloon
40
Q

What does brakes cut out bogie 2 fault light mean in a the motor car fault panel?

A

Bogie has been isolated

Metro157 (81 decks)

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