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← TechnologyWhich limitation manifests when helicopter turbine RPM exceeds operational parameters?
A)Compressor stall risk escalates sharply✓
B)Torque limiter activates erroneously early
C)Overspeed protection system remains inactive
D)Fuel nozzle clogging becomes rate-limiting
💡 Explanation
Compressor stall becomes significant because at excessive RPM, exceeding the compressor's design limits, the **angle of attack** increases on the blades, causing airflow separation, therefore diminishing pressure rise, rather than maintaining optimal turbine operation at designed parameters.
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