Hvac midterm exam - Study guides, Class notes & Summaries

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

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...

HVAC Midterm 1 Exam Correctly Answered 2024. The conditions that are normally maintained in an indoor space are referred to as its __________ - CORRECT ANSWER climate According to ASHRAE, the process to treating air so as to control simultaneously temperature, humidity, cleanliness, and distribution is called _______ - CORRECT ANSWER air conditioning Earth's atmosphere contains about 23% _________ - CORRECT ANSWER oxygen When air temp reaches 100% relative humidity, it is at its ____ ...

HVAC 725 1st Year Midterm exam with complete solution 2024_2025.

HVAC MIDTERM STUDY GUIDE EXAM QUESTIONS AND ANSWERS #9

HVAC Electrical Midterm Exam Questions and Answers All C 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, alternator, transforme...

One watt (1 W) of electrical energy is equivalent to ________ Btu's of heat energy. - ANSWER3.413 Btus Latent heat is also know as. A. Heat quantity B. Heat Intensity C. Hidden Heat D. Specific Heat - ANSWERC. Hidden Heat What is superheat? A. A vapor with a temperature above its saturation temperature. B. The temperature of refrigerant leaving the evaporator C. The temperature of refrigerant entering the compressor. D. None of the above - ANSWERA. A vapor with a temperatu...

COSC 153 Midterm Exam Questions With Verified Solutions Aggregate - answerMixture of sand and stone & is a major component of concrete Architect - answerOne who has completed a course of study in building and design and draws up plans Backing - answerFrame lumber or metal installed between the wall studs to give additional support for drywall or an interior trim related item (such as handrail brackets, cabinets, towel bars). Items are screwed and mounted into solid wood or metal rather th...

COSC 153 Midterm Exam Questions With Verified Solutions Aggregate - answerMixture of sand and stone & is a major component of concrete Architect - answerOne who has completed a course of study in building and design and draws up plans Backing - answerFrame lumber or metal installed between the wall studs to give additional support for drywall or an interior trim related item (such as handrail brackets, cabinets, towel bars). Items are screwed and mounted into solid wood or metal rather th...

MCC HVAC MIDTERM EXAM with Answers.