Question 219Refrigeration/AC - Assistant Engineer70% to pass
The thermostat controlling the operation of the solenoid valve to a refrigerated box evaporator senses what temperature?
AI Explanation
You are correct, the answer is A) the refrigerated box temperature.
The thermostat controlling the solenoid valve to a refrigerated box evaporator senses the temperature inside the refrigerated box, not the compressor discharge temperature, evaporator coil outlet temperature, or evaporator coil inlet temperature. The thermostat is designed to maintain the desired temperature setpoint within the refrigerated box by opening and closing the solenoid valve to control the flow of refrigerant to the evaporator coil.
The other options are incorrect because they do not directly relate to the control of the refrigerated box temperature. The compressor discharge temperature, evaporator coil outlet temperature, and evaporator coil inlet temperature are more relevant to the overall refrigeration system performance, but do not directly impact the thermostat's control of the solenoid valve.
Related Questions
#217 Which of the following statements is true? Illustration GS-RA-12 #218 What is the purpose of the low-pressure cut-out switch as used as a primary controller for a refrigeration system or unit? #220 A box solenoid valve used in a multi-box refrigeration system is operated by electromagnetic action by what control device? #221 Which of the listed operations will cause an automatically controlled refrigeration compressor to restart if the system features a pump down cycle? #222 In a refrigeration system featuring low-side pump down prior to the automatic shut down of the compressor, the temperature of the refrigerated space is controlled by the action of a thermostat wired to what device?