The metallurgical limit fixes the following parameter at the

The metallurgical limit fixes the following parameter at the inlet of the steam turbine

Select one:

a. Steam temperature

b. Steam pressure

c. Steam flow rate

Solution

Answer is a) Steam temperature

With increase in steam inlet temperature to the turbine the turbine blades are exposed to a higher temperatures. Higher temperature at the blades cause higher thermal stresses in the blades. Thus the metallurgical limit fixes the steam inlet temperature.