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8117
Some high volume turboprop and turbojet engines are equipped with two spool or split compressors. When these engines are operated at high altitudes, the
| | A) low pressure rotor will increase in speed as the compressor load decreases in the lower density air. |
| | B) throttle must be retarded to prevent overspeeding of the high pressure rotor due to the lower density air. |
| | C) low pressure rotor will decrease in speed as the compressor load decreases in the lower density air. |
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