Siemens - Pnuematics Flashcards

1
Q

Where is compressed air supplied?

A
Park brake
Horn
Auxiliary res 
Air suspension
Main res
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2
Q

How many main res are fitted to each car and where?

A

One, all cars at 2 end

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3
Q

What is the brake control system comprised of?

A

Service brake
Holding brake
Emergency brake
Park brake

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4
Q

At what speed does the ED brake drop out?

A

10km/h

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5
Q

True or false, wheel slip protection is active during emergency braking?

A

True

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6
Q

What brake is used during emergency braking?

A

EP

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7
Q

What are the pressures for emergency brake?

A

280kpa plus or minus 30kpa

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8
Q

At what KPA in main res is the park brakes automatically applied?

A

350kpa + or - 30kpa

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9
Q

Where are the park brakes fitted?

A

Wheels 3 and 7

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10
Q

When your leading car is experiencing wheel slip, how do you reset Ed braking mode?

A

Master controller to 0 for Atleast one second

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11
Q

What is main res optimum pressure?

A

850kpa-1000kpa

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12
Q

What is the function of the towing cock?

A

To lower main res pressure for a train rescue

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13
Q

At what pressure will the main res be reduced to couple to a comeng?

A

It will reduce from 850-1000kpa to 700kpa

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14
Q

Can the sanding cock be isolated?

A

Not without permission from the Principle Drivers

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15
Q

What cars are park brakes fitted too?

A

All of them, wheels 3&7

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16
Q

What is the surge res function?

A

Train tilting on curves
Uneven passenger loads
Imbalance in air suspension

17
Q

Are brakes on trailer cars EP or ED?

A

EP due to no traction motors

18
Q

True or false, going immediately from power to braking is permissible?

A

False, we should wait Atleast 1 second for the TCU to catch up

19
Q

How many sanders per car?

A

2 per M car wheels 3 and 6

4 per T car wheels 2 and 7 or 3 and 6 depending on direction of travel