Question 154Gas Turbine - Assistant Engineer70% to pass
Routine water washing of the gas turbine engine compressor shown in the illustration, is usually performed while operating under which of the following conditions? Illustration GT-0017

AI Explanation
The correct answer is D) With the starter motor drive.
The routine water washing of the gas turbine engine compressor is typically performed with the starter motor drive, not at specific power settings. This is done to ensure the compressor blades are thoroughly cleaned while the engine is not under load, which helps maintain the engine's efficiency and performance.
The other options, A) 25% power, B) 75% power, and C) full power, are incorrect because the compressor water washing is not usually conducted at those specific power settings. The key is to perform the water washing with the starter motor drive to properly clean the compressor blades without putting the engine under load.
Related Questions
#152 Which of the following conditions permits a gas turbine to produce 100% power? #153 On most marine gas turbines used aboard ships, vibration sensors are identified as which of the following? #155 The two primary sources of deposits that build up on compressor blades are? #156 When auto starting a gas turbine engine similar to the one shown in the illustration, a "False Start" indication will initiate if which of the following conditions occurs? Illustration GT-0016 #157 During an auto-start sequence on the marine gas turbine control console shown in the illustration, what would be the correct order of events required to occur after the start sequence begins? Illustration GT-0016