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evaporator, whích of the following could result? ine at the outie The bulb pressure would increase and the e. thermostatic expansion valve would open. b. a. Liquid refrigerant would flow back to th compressor. The superheat in the evaporator would decrease. d. All of the above are correct. 45. If the thermal bulb assembly develops a leak, what will occur? All of the system's refrigerant will leak a. The valve will open to allow more refrigerant to flow. d. It will have no effect on system c. out. b. The bulb pressure will reduce and the valve will close. operation. 46. The purpose of an externally equalized thermostatic expansion valve is to compensate for excessive evaporator pressure drop b. a. prevent the expansion valve from frosting up d. allow refrigerant to expand in the c. allow system to equalize faster compressor 47. The primary function of an expansion device is to a. produce a reduction in the pressure on the liquid refrigerant lower the boiling point of the refri far enough below the temperature load to get the needed heat transfe d. all of the above c. b. regulate the flow of refrigerant into the evaporator 48. The TXV sensing bulb is mounted on the liquid line between the condenser c. and the TX valve b. a. on the suction line between the evaporator and the compressor d. on the compressor discharge lin at the inlet to the condenser 49. The purpose of a capillary tube is to a. regulate the refrigerant flow into the c. lower the boiling point of the re evaporator b. lower the pressure of the liquid refrigerant d. all of the above

evaporator, whích of the following could result? ine at the outie The bulb pressure would increase and the e. thermostatic expansion valve would open. b. a. Liquid refrigerant would flow back to th compressor. The superheat in the evaporator would decrease. d. All of the above are correct. 45. If the thermal bulb assembly develops a leak, what will occur? All of the system's refrigerant will leak a. The valve will open to allow more refrigerant to flow. d. It will have no effect on system c. out. b. The bulb pressure will reduce and the valve will close. operation. 46. The purpose of an externally equalized thermostatic expansion valve is to compensate for excessive evaporator pressure drop b. a. prevent the expansion valve from frosting up d. allow refrigerant to expand in the c. allow system to equalize faster compressor 47. The primary function of an expansion device is to a. produce a reduction in the pressure on the liquid refrigerant lower the boiling point of the refri far enough below the temperature load to get the needed heat transfe d. all of the above c. b. regulate the flow of refrigerant into the evaporator 48. The TXV sensing bulb is mounted on the liquid line between the condenser c. and the TX valve b. a. on the suction line between the evaporator and the compressor d. on the compressor discharge lin at the inlet to the condenser 49. The purpose of a capillary tube is to a. regulate the refrigerant flow into the c. lower the boiling point of the re evaporator b. lower the pressure of the liquid refrigerant d. all of the above

Automotive Technology: A Systems Approach (MindTap Course List)
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter55: Air-conditioning Diagnosis And Service
Section: Chapter Questions
Problem 13RQ: When checking an A/C system, the evaporators inlet and outlet tubes feel like they are at the same...
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to run d. both a and b 44. Ifa thermostatic expansion valve's thermal bulb came loose from the suction line at the outlet of the evaporator, whích of the following could result? The bulb pressure would increase and the c. thermostatic expansion valve would open. b. The superheat in the evaporator would decrease. a. Liquid refrigerant would flow back to the compressor. d. All of the above are correct. 45. If the thermal bulb assembly develops a leak, what will occur? All of the system's refrigerant will leak a. The valve will open to allow more c. refrigerant to flow. d. It will have no effect on system operation. out. b. The bulb pressure will reduce and the valve will close. 46. The purpose of an externally equalized thermostatic expansion valve is to compensate for excessive evaporator pressure drop b. allow system to equalize faster a. prevent the expansion valve from frosting up d. c. allow refrigerant to expand in the compressor 47. The primary function of an expansion device is to a. produce a reduction in the pressure on the liquid refrigerant c. lower the boiling point of the refrigerant far enough below the temperature of the load to get the needed heat transfer rate d. all of the above b. regulate the flow of refrigerant into the evaporator 48. The TXV sensing bulb is mounted on the liquid line between the condenser c. and the TX valve b. at the inlet to the condenser a. on the suction line between the evaporator and the compressor d. on the compressor discharge line 49. The purpose of a capillary tube is to a. regulate the refrigerant flow into the evaporator b. lower the pressure of the liquid refrigerant c. lower the boiling point of the refrigerant d. all of the above
Transcribed Image Text:to run d. both a and b 44. Ifa thermostatic expansion valve's thermal bulb came loose from the suction line at the outlet of the evaporator, whích of the following could result? The bulb pressure would increase and the c. thermostatic expansion valve would open. b. The superheat in the evaporator would decrease. a. Liquid refrigerant would flow back to the compressor. d. All of the above are correct. 45. If the thermal bulb assembly develops a leak, what will occur? All of the system's refrigerant will leak a. The valve will open to allow more c. refrigerant to flow. d. It will have no effect on system operation. out. b. The bulb pressure will reduce and the valve will close. 46. The purpose of an externally equalized thermostatic expansion valve is to compensate for excessive evaporator pressure drop b. allow system to equalize faster a. prevent the expansion valve from frosting up d. c. allow refrigerant to expand in the compressor 47. The primary function of an expansion device is to a. produce a reduction in the pressure on the liquid refrigerant c. lower the boiling point of the refrigerant far enough below the temperature of the load to get the needed heat transfer rate d. all of the above b. regulate the flow of refrigerant into the evaporator 48. The TXV sensing bulb is mounted on the liquid line between the condenser c. and the TX valve b. at the inlet to the condenser a. on the suction line between the evaporator and the compressor d. on the compressor discharge line 49. The purpose of a capillary tube is to a. regulate the refrigerant flow into the evaporator b. lower the pressure of the liquid refrigerant c. lower the boiling point of the refrigerant d. all of the above
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