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ESCO AIR CONDITIONING COMPREHENSIVE EXAM SCRIPT VERIFIED QUESTIONS COMPLETE ANSWERS GRADED APLUS

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Esco Air Conditioning Comprehensive Exam Script Verified Questions Complete Answers Graded Aplus

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ESCO AIR CONDITIONING COMPREHENSIVE EXAM SCRIPT VERIFIED QUESTIONS COMPLETE ANSWERS GRADED APLUS

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ESCO AIR CONDITIONING
COMPREHENSIVE EXAM SCRIPT VERIFIED
QUESTIONS COMPLETE ANSWERS
GRADED APLUS

◉ What is the first function a condenser must perform?
Answer: De-superheat

◉ What does a thermostatic expansion valve maintain?
Answer: Constant evaporator superheat

◉ What does an automatic expansion valve maintain?
Answer: Constant evaporator pressure

◉ How many operating pressures does a thermostatic expansion
valve have?
Answer: Three: Evaporator pressure, Spring pressure, and Sensor
bulb pressure

◉ When mounting a thermostatic expansion valve sensor bulb,
which of the following is not true?
Answer: It must be installed lower than the valve body

, ◉ In an air conditioning system using a thermostatic expansion
valve, how does the temperature of the evaporator outlet compare
to the evaporator inlet?
Answer: Warmer

◉ When is an automatic expansion valve best suited?
Answer: When the system load remains fairly constant

◉ Which of the following is not true of a capillary tube metering
device?
Answer: They maintain a constant evaporator temperature

◉ What does a decrease in superheat cause the thermostatic
expansion valve to do?
Answer: Begin to close

◉ What does a rise in evaporator pressure cause the automatic
expansion valve to do?
Answer: Begin to close

◉ What is a thermal electric expansion valve controlled by?
Answer: NTC thermistor

◉ In a direct expansion evaporator system, how does the
refrigerant enter the evaporator?

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Uploaded on: August 26, 2026
Number of pages: 5
Written in: 2026/2027
Type: Exam (elaborations)
Contains: Questions & answers

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