| 1. | An air brake pipe connects to each car and locomotive on the train.
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| 2. | Also with ECP, the brake pipe remains charged during operation.
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| 3. | When the brake pipe and car components are charged with air, the brakes release.
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| 4. | To release the brakes, the engineer charges the brake pipe.
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| 5. | Air connections between the cars are made through two air hoses, brake pipe and main reservoir.
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| 6. | Low-level brake pipes were still fitted to maintain standards but only used when high-level could not be.
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| 7. | Pulling the alarm chain on a British train will pull a lever connected to the brake pipe flaps.
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| 8. | The triple valves detect an emergency reduction based on the " rate " of brake pipe pressure reduction.
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| 9. | When the engineer needs to make a brake application, control valves in the locomotive reduce the brake pipe pressure.
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| 10. | In the guard's van, this is seen from a valve which shows loss of pressure in the brake pipe.
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