Which outcome occurs when glycol concentration decreases entering an evaporator coil?

💡 Explanation

Ice forms because the reduced glycol concentration raises the coolant's freezing point via freezing-point depression. This causes ice formation on the coil, therefore blocking airflow and reducing heat exchange, rather than enabling continued cooling at the design point.

• Which outcome occurs when excessive harmonics corrupt the zero-crossing signal used by a three-phase transformer's breaker?
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• Which consequence results when electrostatic discharge (ESD) exceeds reverse breakdown voltage in a diode junction?
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• Which undesirable behavior can result within pulsed laser cooling systems if an accumulator's pressure fluctuates with insufficient recharge?