1
Q
What are the common components of all EMU’s?
A
Compressors
Reservoirs
Safety relief valve
Air dryers
2
Q
What do the compressors do?
A
Supply’s compressed air to the reservoirs
3
Q
What do the reservoirs do?
A
Stores compressed air produced by the compressors
4
Q
What does a compressor governor do?
A
Monitors the main reservoir pressure
Turns compressors on/off as required
5
Q
What do safety relief valves do?
A
Prevent reservoirs from overcharging if the compressor fails to stop
6
Q
What do air dryers do?
A
Removes oil, dirt and water particles from the compressed air
Metro Train Driver
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