Hvac midterm Study guides, Class notes & Summaries

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List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. The factors that must be controlled include temperature, humidity, air motion, dust, bacteria, odors, toxic gases, and ionization. ((Ref: 1/1)) Describe in simple terms the basic process by which a refrigerant transfers heat energy. A refrigerant is used to transfer heat when it changes states. When liquid refrigerant evaporates into a vapor, heat is absorbed by the vapor. When refri...

HVAC-R Midterm Exam Questions With Correct Answers 100%

HVAC-R Midterm Exam Questions With Correct Answers 100%

HVAC Electrical Midterm Exam Questions and Answers All Correct _____ are the particles that orbit the core of an atom - Answer-electrons ______ is the force that pushes free electrons through conductors - Answer-voltage name 3 terms meaning voltage - Answer-electromotive force (emf) potential difference and eletrical pressure a device used to generate electricity is called a - Answer-voltage source name 6 voltage sources - Answer-battery, generator, solar cell, thermocouple, alter...

HVAC-R Midterm UPDATED Exam Questions and CORRECT Answers 1.) Temperature can be defined as? - Ans Level of heat 2.) Sensible heat causes? - Ans Rise in temp. 3.) What direction does heat flow? - Ans Warm to cold 4.) Four types of temperature scales? - Ans Fahrenheit,Rankine,Celsius, & Kelvin 5.) 1 BTU will raise 1lb. of water? - Ans 1 Degree

Midterm HVAC Electrical Questions Answered Correctly –| Latest Version 2024/2025

HVAC-R Midterm Exam Questions With Verified And Updated Solutions. 1.) Temperature can be defined as? - answerLevel of heat 2.) Sensible heat causes? - answerRise in temp. 3.) What direction does heat flow? - answerWarm to cold 4.) Four types of temperature scales? - answerFahrenheit,Rankine,Celsius, & Kelvin 5.) 1 BTU will raise 1lb. of water? - answer1 Degree 6.) Latent heat causes? - answerChange of state 7.) Pressure in a bourdon tube, what happens to gauges? - answerCauses them to s...

HVAC-R Midterm Questions And Answers With Verified Solutions Well Elaborated

List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. -ANSWERThe factors that must be controlled include temperature, humidity, air motion, dust, bacteria, odors, toxic gases, and ionization. ((Ref: 1/1)) Describe in simple terms the basic process by which a refrigerant transfers heat energy. -ANSWERA refrigerant is used to transfer heat when it changes states. When liquid refrigerant evaporates into a vapor, heat is absorbed by the vap...