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Esco Air Conditioning Updated Actual Questions And Correct Answers Complete Study Guide

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ESCO AIR CONDITIONING UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS COMPLETE STUDY GUIDE

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ESCO AIR CONDITIONING UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS COMPLETE STUDY GUIDE


◉ What is heat added to a substance without a rise in
temperature called?
Answer: Latent heat


◉ What is heat added to the refrigerant in a vapor state after the
evaporation process called?
Answer: Superheat


◉ How does a scroll compressor move refrigerant?
Answer: Involute Spirals


◉ What is the movement of heat by way of fluid called?
Answer: Convection


◉ What is the movement of heat by direct contact called?
Answer: Conduction

, ◉ What is the standard unit for measuring the quantity of heat in
a substance?
Answer: BTUs


◉ When does refrigerant give up heat?
Answer: When it condenses


◉ Why must refrigerant in the suction line be slightly warmer
than the saturation temperature?
Answer: To prevent liquid slugging of the compressor


◉ What should be the state of the refrigerant in the suction line?
Answer: Low pressure / Low temperature vapor


◉ What is the state of the refrigerant entering the condenser?
Answer: High pressure / Highly superheated vapor


◉ What does the evaporator do?
Answer: Transfers heat from the refrigerated space to the
refrigerant


◉ Which of the following is not a thermodynamic property of
refrigerants?
Answer: Flammability

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