Hvac units 2 3 - Study guides, Class notes & Summaries
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HVAC CONTRACTOR EXAM QUESTIONS WITH 100% CORRECT SOLUTIONS ALREADY PASSED!!
- Exam (elaborations) • 21 pages • 2024
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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...
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HVAC Final Exam Questions and Answers Already Passed
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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 ...
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HVAC CONTRACTOR EXAM QUESTIONS AND ANSWERS 100% PASS
- Exam (elaborations) • 26 pages • 2024
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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...
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MICHIGAN BUILDERS LICENSE EXAM (GENERAL CONTRACTOR) 2024-2025 ATUAL EXAM
- Exam (elaborations) • 56 pages • 2024
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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...
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Vivint Smart Home Pro Final Exam (2023/2024) (Complete Solutions)
- Exam (elaborations) • 14 pages • 2023
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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...
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MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS
- Exam (elaborations) • 48 pages • 2024
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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...
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HVAC CONTRACTOR EXAM QUESTIONS WITH 100 % CORRECT ANSWERS| VERIFIED
- Exam (elaborations) • 21 pages • 2024
- Available in package deal
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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%
- Exam (elaborations) • 55 pages • 2024
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- $17.99
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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...
-
MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS
- Exam (elaborations) • 48 pages • 2024
- Available in package deal
-
- $13.49
- + learn more
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...
-
HVAC Units 2 & 3 Exam Questions & Answers 2024.
- Exam (elaborations) • 5 pages • 2024
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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...
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