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![HVAC CONTRACTOR EXAM QUESTIONS AND ANSWERS 100% PASS](/docpics/5475292/665744ca4e32d_5475292_121_171.jpeg)
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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...
![HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS](/docpics/5501606/665a66aa0ad2a_5501606_121_171.jpeg)
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HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS
- Exam (elaborations) • 17 pages • 2024
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HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
Why is IAQ important? 
a) to provide a comfortable environment for occupants 
b) to provide enough oxygen for occupants 
c) to provide the right temperature for a productive environment for occupants 
d) to provide sufficient airflow for occupants 
e) to provide a healthy environment for occupants - correct answer e) to provide a healthy environment for occupants 
 
What is not considered a contaminate? 
a) Carbon Dioxide 
b) Ozone 
c) Carbon Mon...
![HVAC Final Exam Electrical For Air Conditioning Exam Questions And Answers](/docpics/4931620/661059421f049_4931620_121_171.jpeg)
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HVAC Final Exam Electrical For Air Conditioning Exam Questions And Answers
- Exam (elaborations) • 26 pages • 2024
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HVAC Final Exam Electrical For Air Conditioning Exam Questions And Answers 
 
 
When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? 
Select one: 
a. When using a single transformer system 
b. When heating with an oil boiler 
c. When heating with a gas boiler 
d. When using a two transformer system - ANS A) When Using a single transformer system 
 
Digital thermostats usually display temperature, time of day, programming and operating status...
![HVAC Final Exam Electrical For Air Conditioning Accurate 100%](/docpics/5039931/662127754ae7b_5039931_121_171.jpeg)
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HVAC Final Exam Electrical For Air Conditioning Accurate 100%
- Exam (elaborations) • 22 pages • 2024
- Available in package deal
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- £16.61
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When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? 
Select one: 
a. When using a single transformer system 
b. When heating with an oil boiler 
c. When heating with a gas boiler 
d. When using a two transformer system - ANSWER A) When Using a single transformer system 
 
Digital thermostats usually display temperature, time of day, programming and operating status. 
Select one: 
True 
False - ANSWER True 
 
With the fan switch in the on posit...
![MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS](/docpics/5475341/665745af78973_5475341_121_171.jpeg)
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MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS
- Exam (elaborations) • 48 pages • 2024
- Available in package deal
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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...
![HVAC Final Exam Electrical For Air Conditioning Questions and Answers 100% Pass](/docpics/5475312/6657454d288dd_5475312_121_171.jpeg)
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HVAC Final Exam Electrical For Air Conditioning Questions and Answers 100% Pass
- Exam (elaborations) • 38 pages • 2024
- Available in package deal
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- £10.94
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HVAC Final Exam Electrical For Air Conditioning 
Questions and Answers 100% Pass 
When using a low voltage T-stat for heating and cooling, when would there be a jumper 
between Rh and Rc? 
Select one: 
a. When using a single transformer system 
b. When heating with an oil boiler 
c. When heating with a gas boiler 
d. When using a two transformer system - Correct Answer ️️ -A) When Using a single 
transformer system 
Digital thermostats usually display temperature, time of day, programming an...
![HVAC-101 Intro To HVAC Exam Guide 2024.](/docpics/4995043/661ab03dac9e4_4995043_121_171.jpeg)
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HVAC-101 Intro To HVAC Exam Guide 2024.
- Exam (elaborations) • 48 pages • 2024
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HVAC-101 Intro To HVAC Exam Guide 2024. 
 
 
All NATE specialties are offered at two levels. They are: 
 
Apprentice and journeyman. 
Installation and service. 
Heating and air conditioning. 
Journeyman and master. - CORRECT ANSWER Installation and service 
 
HVAC Excellence: 
 
A)Oversees national curriculum standards for all trade and technical education organizations. 
B) Regulates all HVACR manufacturing facilities in the United States. 
C)Established an organization to provide programmatic ...
![HVAC Final Exam Electrical For Air Conditioning Accurate 100%](/docpics/5096138/66294963eeb29_5096138_121_171.jpeg)
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HVAC Final Exam Electrical For Air Conditioning Accurate 100%
- Exam (elaborations) • 22 pages • 2024
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- £10.94
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When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? 
Select one: 
a. When using a single transformer system 
b. When heating with an oil boiler 
c. When heating with a gas boiler 
d. When using a two transformer system - ANSWER A) When Using a single transformer system 
 
Digital thermostats usually display temperature, time of day, programming and operating status. 
Select one: 
True 
False - ANSWER True 
 
With the fan switch in the on posit...
![HVAC Chapter 1 Fundamentals of Heat, Ch 1, Chapter 16-Electrical Control Systems, final study guide (The Turner School) Questions With Complete Solutions](/docpics/4095541/658ca0fc05eee_4095541_121_171.jpeg)
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HVAC Chapter 1 Fundamentals of Heat, Ch 1, Chapter 16-Electrical Control Systems, final study guide (The Turner School) Questions With Complete Solutions
- Exam (elaborations) • 19 pages • 2023
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- £10.53
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HVAC Chapter 1 Fundamentals of Heat, Ch 1, Chapter 16-Electrical Control Systems, final study guide (The Turner School) Questions With Complete Solutions
![HVAC S.T.A.R EXAM QUESTIONS AND ANSWERS 100% PASS](/docpics/5475334/66574556dc5aa_5475334_121_171.jpeg)
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HVAC S.T.A.R EXAM QUESTIONS AND ANSWERS 100% PASS
- Exam (elaborations) • 18 pages • 2024
- Available in package deal
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HVAC S.T.A.R EXAM QUESTIONS AND 
ANSWERS 100% PASS 
The evaporator in a refrigeration system: - Correct Answer ️️ -Is the component where 
refrigerant boils and absorbs heat. 
The purpose of the compressor is to change ___________. - Correct Answer ️️ -Low- 
pressure, low-temperature vapor to a high-pressure, high temperature vapor 
A common refrigerant leak detection device is the: - Correct Answer ️️ -Halide torch. 
Copper-plating of compressor parts is: - Correct Answer ️️ -Ca...
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