Engine: Motor Plants and Auxiliary Boilers

1. A The forward and after seals are both designed to prevent the ingress of sea water and the after seal is designed to retain the lubricating oil within the bearing.
2. B The forward and after seals are both designed to prevent the ingress of sea water and the forward seal is designed to retain the lubricating oil within the bearing.
3. C The forward and after seals are both designed to retain the lubricating oil within the bearings and the forward seal is designed to prevent the ingress of sea water.
4. D The forward and after seals are both designed to retain the lubricating oil within the bearings and the after seal is designed to prevent the ingress of sea water.

Tip: press A-D to answer