Question 139Gas Turbine - Assistant Engineer

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What is a compressor midspan shrould?

AA support for the tips of stator blades.
BThe center of a two-piece rotor blade.
CA way of securing stator blades.
DA brace built into the middle of a rotor blade for damping.
AI Explanation

The correct answer is D) A brace built into the middle of a rotor blade for damping. A compressor midspan shroud is a brace or support structure located in the middle of a rotor blade in a gas turbine engine compressor. This midspan shroud helps dampen vibrations and provide structural support to the rotor blade, preventing excessive flexing or oscillation during operation. This design feature is important for the safe and reliable operation of the engine compressor. The other answer choices do not accurately describe the function of a compressor midspan shroud. A, B, and C describe other components or methods of supporting turbine engine blades, but do not specifically refer to the midspan shroud design.

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Official Resources
46 CFR Machinery & Electrical 46 CFR Engineering USCG National Maritime Center
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