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← ScienceWhich risk increases when an ammonia-based absorption chiller cycle operates with insufficient generator heat?
A)Ammonia crystallization within the evaporator
B)Reduced coefficient of performance (COP)
C)Increased risk of solution stratification✓
D)Elevated rectifier pressure differential
💡 Explanation
Reduced generator heat causes incomplete separation of ammonia and water; therefore, solution stratification occurs in the absorber because the solution cannot mix properly due to density differences, rather than efficient cooling.
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