Engine: General Subjects

1. A Platform interlocks are used to prevent door operation if the platform is proved at a deck level and only allow door operation when the platform is at a position other than a deck level.
2. B Platform interlocks are used to prevent door operation if the platform is at other than a deck level and only allow door operation when the platform is proved at a deck level.
3. C Platform interlocks are used to over-ride elevator emergency status in a shipboard emergency when elevators are required to be used.
4. D Platform interlocks are used to prevent elevator operation in a shipboard emergency when elevators are not to be used.

Tip: press A-D to answer