The process of converting collected water from a boiler system into steam is known as?

The correct answer is evaporation because it specifically refers to the process through which water is converted into steam. In a boiler system, once the water is collected, it is subjected to heat. This heat energy increases the temperature of the water until it reaches its boiling point, at which point it undergoes a phase change from liquid to gas. This transformation of water into steam is a critical process in power generation and various industrial applications.

In contrast, condensation refers to the process where steam cools and returns to a liquid state, which is the opposite of what is being asked. Heating, while a necessary step in the overall process of steam generation, does not specifically describe the conversion of water into steam. Feedwater treatment involves processes to condition and prepare water before it enters the boiler and is also not related to the act of converting water into steam.