ESCO Air Conditioning Practice Exam

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The automatic expansion valve is designed to maintain

  1. Constant condenser pressure

  2. Constant evaporator pressure

  3. Constant fan speed

  4. Variable refrigerant flow

The correct answer is: Constant condenser pressure

The correct answer is A. The automatic expansion valve is designed to maintain a constant condenser pressure in the air conditioning system. By regulating the flow of refrigerant into the evaporator coil based on the pressure in the condenser, the valve helps ensure optimal efficiency and performance of the system. This constant condenser pressure allows the system to operate at the desired levels, maintaining proper cooling capacity and energy efficiency.

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