Question 158Steam Plants - Assistant Engineer
70% to passWhich of the following would indicate a moderate leak in the desuperheater?
ALower than normal fuel oil consumption
BHigher than normal fuel oil consumption
CLower than normal auxiliary steam temperature
DHigher than normal auxiliary steam pressure
AI Explanation
The correct answer is C) Lower than normal auxiliary steam temperature. A moderate leak in the desuperheater would cause the auxiliary steam temperature to be lower than normal. The desuperheater is used to control the temperature of the steam, and a leak would allow some of the steam to bypass the desuperheater, resulting in a lower than expected steam temperature. The other options are incorrect because a moderate leak in the desuperheater would not directly affect fuel oil consumption (A or B) or auxiliary steam pressure (D). The leak would primarily impact the steam temperature.
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