Engine 2014: Steam Plants

1. A fuel oil heaters for boilers burning fuels with low viscosity
2. B fuel oil service tanks to overhang boilers to utilize heat  radiated from the boilers for greater efficiency
3. C machinery driving fuel oil service pumps to be fitted with  remote controls so that they may be stopped in the event of a fire
4. D all piping between service pumps and burner fronts to be located below the floor plates to eliminate fire hazards

Tip: press A-D to answer