Engine: Electricity

1. A It will automatically start and automatically supply power to the 450 VAC section of the main bus through the automatic bus transfer device.
2. B It will automatically start but the automatic bus transfer device must be manually shifted to 'Emergency Power' to supply the 450 VAC section of the emergency bus.
3. C It will automatically start and automatically supply power to the 450 VAC section of the emergency bus through the automatic bus transfer device.
4. D It must be manually started but once running will automatically supply power to the 450 VAC section of the emergency bus through the automatic bus transfer device.

Tip: press A-D to answer