How much efficiency gain is produced by each 10-degree temperature rise in a superheater?

When considering the efficiency gain produced by each 10-degree temperature rise in a superheater, the correct answer highlights the nuance of thermal dynamics in boiler systems. A 10-degree increase in temperature within the superheater can lead to approximately a 1% increase in thermal efficiency.

This relationship is significant because superheaters play a crucial role in improving the overall efficiency of a boiler system. By allowing steam to reach higher temperatures, they increase the energy content of the steam, which ultimately enhances the steam's ability to do work in turbines or engines. A small change in temperature can have an outsized effect on efficiency, illustrating the sensitivity of operational metrics in these systems.

Understanding this principle is essential for professionals in the boiler industry, as it emphasizes the importance of maintaining optimal superheater operation and its impact on overall system performance. It also correlates with ongoing efforts in energy efficiency and reducing operational costs.

While the other choices suggest different percentages, they do not align as closely with the standard understanding of superheater efficiency increases in practical applications.