| 60 / | HD | POWER PLANTS |
|
| 643 | DF | MOTIVE FLUID ENERGIZED BY EXTERNALLY APPLIED HEAT {11} |
| 645 |  | .~ Process of power production or system operation {9} |
| 646 | DF | .~.~> Including start up, shut down, cleaning, protective or maintenance procedure |
| 647 | DF | .~.~> Including operating at or above critical pressure |
| 648 | DF | .~.~> Including production of withdrawable product or steam for external use |
| 649 | DF | .~.~> Including mixing or separating materials of different chemical compositions in a motive fluid flow path |
| 650 | DF | .~.~> Producing power by heating and cooling a single phase fluid |
| 651 | DF | .~.~> Including vaporizing a motive fluid other than water |
| 652 | DF | .~.~> Of accommodating, fluctuating or peak loads |
| 653 | DF | .~.~> Including superheating, desuperheating, or reheating |
| 654 | DF | .~.~> Including mingling motor exhaust steam with boiler feed water |