Automotive Service Excellence (ASE) Air Conditioner Certification Practice Exam 2025 - Free ASE Air Conditioner Practice Questions and Study Guide

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What role does the evaporator play in an A/C system?

To cool refrigerant before it enters the condenser

To absorb heat from the cabin air

The evaporator plays a crucial role in an A/C system by absorbing heat from the cabin air. When the warm air from the vehicle's interior passes over the evaporator coils, the refrigerant inside the coils evaporates, absorbing heat from the air and cooling it down. This process not only lowers the temperature of the air that is then circulated back into the cabin but also contributes to the reduction of humidity inside the vehicle, providing a more comfortable environment for the occupants.

The effectiveness of the evaporator is essential for the overall performance of the air conditioning system. It operates under low pressure and low temperature, allowing the refrigerant to change from a liquid to a gas state while removing heat from the air. This function is fundamental to the cooling cycle of the A/C system, making the evaporator a key component in maintaining the desired cabin temperature.

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To filter dust particles from the air

To compress the refrigerant for circulation

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