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← ScienceWhich limit arises when optimizing an oxy-hydrogen fueled Carnot engine?
A)Ignition delay hinders rapid combustion✓
B)Exhaust pressure exceeds ambient pressure
C)Turbine blade melting at high velocity
D)Electrolyte depletion in fuel cell stack
💡 Explanation
Reducing cycle time causes incomplete combustion because ignition delay introduces reaction inefficiency, limiting ideal Carnot efficiency due to irreversible processes. A is therefore correct rather than B/C/D which relates to issues outside idealized Carnot cycle despite relevance elsewhere.
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