Question 126Refrigeration/AC - 1st Asst/Chief70% to pass
When the sensing bulb of a thermostatic expansion valve is charged with a fluid different from the charge used in the system, what name of the charge is associated with the power element?
AI Explanation
The correct answer is A) cross charged.
When the sensing bulb of a thermostatic expansion valve is charged with a fluid different from the charge used in the system, the charge in the power element is referred to as "cross charged". This is because the charge in the sensing bulb is different from the charge in the rest of the system, creating a "cross" between the two charges.
The other answer choices are incorrect because they do not accurately describe the situation where the sensing bulb is charged with a different fluid than the system. "Blended charged", "straight charged", and "mixed charged" do not specifically refer to the case of a cross-charged thermostatic expansion valve.
Related Questions
#124 Which of the statements listed is applicable to the thermostatic expansion valve shown in the illustration? Illustration GS-RA-07 #125 In the multi-evaporator refrigeration system shown in the illustration, what is the proper name for the valve labeled "29"? Illustration GS-RA-12 #127 Which of the following illustrated thermal expansion valves would be appropriate to use on an evaporator coil with a 2 psi pressure drop, where externally adjustable superheat and a replaceable power element are both desired? Illustration GS-RA-06 #128 Constant superheat is maintained at the evaporator coil outlet of a refrigeration system or unit by the action of what device? #129 Refrigerant flow through a thermostatic expansion valve is greatest under what conditions?