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Metro > Things To Remember > Flashcards

Things To Remember Flashcards

1
Q

Control Reservoir Pressure:

A

490 kPa ± 20 kPa.

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2
Q

Auxiliary Reservoir Pressure (Dump Valve Activation) on Westcode?

A

425 kPa.

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3
Q

Auxiliary Reservoir Pressure (Dump Valve Activation) on Knorr?

A

415 kPa

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4
Q

Brake Pipe Pressure normal range:

A

425–550 kPa

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5
Q

Brake Pipe Pressure - Minimum for Control Governor to close:

A

430 kPa

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6
Q

Normal range main Reservoir Pressure?

A

585–725 kPa

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7
Q

What is the Control Reservoir Pressure?

A

490 kPa ± 20 kPa.

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8
Q

What are the Auxiliary Reservoir Pressures for Westcode and Knorr?

A

Westcode: 425 kPa.
Knorr: 415 kPa.

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9
Q

What is the normal range for Brake Pipe Pressure?

A

425–550 kPa.

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10
Q

What is the minimum Brake Pipe Pressure for Control Governor to close?

A

430 kPa.

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11
Q

What is the Brake Pipe Pressure during the reduction test?

A

Reduces to below 325 ± 20 kPa.

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12
Q

What is the normal range for Main Reservoir Pressure?

A

585–725 kPa.

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13
Q

What is the speed limit with defective headlights at night between stations?

A

50 km/h.

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14
Q

What is the speed limit with locked wheels?

A

5 km/h.

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15
Q

What is the maximum speed in emergency braking situations?

A

15 km/h when using electro-pneumatic and rheostatic brakes with lockout magnet valve defects.

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16
Q

What is the VICERS reset procedure?

A

Brake controller to EMERGENCY for 10 seconds before resetting.

17
Q

What triggers a full shutdown due to Loss of Overhead Shutdown Module?

A

4 minutes of stationary status with BVICS closed.

18
Q

What is required for Motor Alternator Overspeed Shutdown?

A

Manual reset required (time varies by type).

19
Q

What is the load limit for 2 Motor Cars on a 1 in 40 gradient?

A

250 tonnes.

20
Q

What is the load limit for 4 Motor Cars on a 1 in 100 gradient?

A

800 tonnes.

21
Q

What does the Control Governor do?

A

Opens below 430 kPa; closes above 490 kPa.

22
Q

At what voltage does the Pantograph Lowering operate?

A

110 V DC supply.

23
Q

What does the Park Brake Light indicate?

A

Indicates park brake applied at approximately 50 kPa.

Metro (21 decks)

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