Hvac units 2 3 - Study guides, Class notes & Summaries

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Answer-voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Answer-thermostatic expansion valve when installing a reversing valve on a heat pump, how many br...

HVAC Final Exam Questions and Answers Already Passed What is an HVAC System? all the items needed to maintain thermal comfort within a space or group of spaces What are the four components of an HVAC system? Fans Pumps Compressor Evaporator What is a PTAC? Packaged Terminal Air Conditioner What is a PTHP? Packaged Terminal Heat Pump List the heat transfer equipment (3) Boiler Chiller Coil What is a zone? A zone is a separately controlled space or group spaces What is ...

HVAC CONTRACTOR EXAM QUESTIONS AND ANSWERS 100% PASS An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Correct Answer ️️ -voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Correct Answer ️️ -the...

IRC (International Residential Code) -Correct Answer Created to serve as a complete, comprehensive code regulating the construction of single-family, two-family and buildings consisting of three or more townhouse units. First 2 chapters of code book are -Correct Answer Administrative Plans or supporting documents are almost always required by the controlling authority prior to issuing a permit. T or F -Correct Answer True Does the building official have the authority to render interpret...

Vivint Smart Home Pro Final Exam (2023/2024) (Complete Solutions) What is the input voltage range of the Doorbell Cam? 12-24v What is the output voltage of the transformer used to power the SkyControl panel? 16.5 VAC True or False: When programming a sensor into the sky panel you can type in the serial number or "learn" it in by triggering the device true When programming a DW21, which loop number is used? 1 2 3 2 Which of the following materials can you use to group multiple ground term...

MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. - Correct Answer ️️ -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. - Correct Answer ️️ -A refrigerant is used to transfer heat when it c...

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Answer-voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Answer-thermostatic expansion valve when installing a reversing valve on a heat pump, how many br...

Michigan Builders License Exam with Correct Answers 100% Created to serve as a complete, comprehensive code regulating the construction of single-family, two-family and buildings consisting of three or more townhouse units. - CORRECT ANSWER-IRC (International Residential Code) Administrative - CORRECT ANSWER-First 2 chapters of code book are True - CORRECT ANSWER-Plans or supporting documents are almost always required by the controlling authority prior to issuing a permit. T or F Yes...

HVAC Units 2 & 3 Exam Questions & Answers 2024. A liquid material exerts a pressure or Force. - CORRECT ANSWER Outward and downward If the temperature remains constant and the volume that a gas occupies increases the pressure will. - CORRECT ANSWER Decrease The volume of gas varies inversely with the absolute pressure, provided the temperature remains constant. This is called. - CORRECT ANSWER Boyle's law At a constant pressure the volume of a gas varies as to the absolute tempera...

MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. - Correct Answer ️️ -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. - Correct Answer ️️ -A refrigerant is used to transfer heat when it c...