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← TechnologyWhich consequence results when exceeding positional tolerances during jet engine turbine blade casting?
A)Increased blade vibration and fatigue✓
B)Improved cooling channel effectiveness only
C)Reduced turbine stage aerodynamic losses
D)Enhanced combustion chamber fuel efficiency
💡 Explanation
Increased blade vibration can occur due to exceeding position tolerances because the imprecise geometry impacts resonant frequencies. Therefore, increased blade vibration will increase fatigue rather than reducing losses because the unoptimized part lacks structural integrity.
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