What statement is true concerning oil-lubricated stern tube bearings? |
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. |
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. |
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. |
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. |