Engine: Motor Plants and Auxiliary Boilers

1. A "B" is the camshaft and it rotates at one-half of the crankshaft speed.
2. B "B" is the camshaft and its rpm will match that of the flywheel.
3. C "T" is the camshaft and its speed equals crankshaft speed.
4. D "Y" is the main camshaft drive and rotates at crankshaft speed.

Tip: press A-D to answer