Engine 2014: Motor Plants and Auxiliary Boilers

1. A stiffen the bedplate in way of the main bearings to increase the engine's longitudinal strength
2. B accept most of the tensile loading that results from the firing forces developed during operation
3. C mount the engine frame securely to the hull to prevent shaft coupling misalignment
4. D connect the crosshead solidly to the piston rod

Tip: press A-D to answer