What type of steam is steam that has been heated to a temperature above its saturated temperature?

A. Boiler steam
B. Saturated steam
C. Superheated steam
D. Desuperheated steam


A. Incorrect. Boiler steam is not a type of steam.
B. Incorrect. Saturated steam is steam in equilibrium with water.
C. Correct. Superheated steam, which is produced downstream of the steam drum (typically in the firebox), is steam that has been heated to a temperature above its saturated temperature.
D. Incorrect. Desuperheated steam is superheated steam from which some heat has been removed by the reintroduction of boiler feedwater.

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