Hvac unit 12 - Study guides, Class notes & Summaries
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AIC Exam Final Questions & Answers 2024/2025
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AIC Exam Final Questions & Answers 2024/2025 
 
 
5 days - ANSWERSA project schedule has been updated. The activity placement of spread footing concrete was originally scheduled to begin as early as day 10. The activity duration is 4 days. The actual start day was day 12. The original schedule had calculated total float of 7 days for this activity. The recalculated total float for the activity, when updated, would be 
 
a. 2 days b. 5 days c. 6 days d. 9 days 
 
Complete project per contract - A...
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AIC Prep UH EXAM GUIDE QUESTIONS AND ANSWERS GRADED A 2024
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A 'place concrete' activity requires the placement of 2080 cubic yards. If the individual production rate is 2 cubic yards per work hour per person, with a 10-person crew and 8 hour workday, how many days are needed to complete this activity? 
a. 13 
b. 26 
c. 104 
d. 130 - a. 13 
 
A topographical map is a drawing showing? 
a. Subsurface soil conditions 
 b. A general profile view of the site 
c. Contour lines and elevations d. Cross sections along the length of the project - c. Contour...
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Professional Home Inspector Exam NHIE / TREC Questions and Answers Already Passed
- Exam (elaborations) • 63 pages • 2022
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Professional Home Inspector Exam NHIE / TREC Questions and Answers Already Passed 
Document Content and Description Below 
Professional Home Inspector Exam NHIE / TREC Questions and Answers Already Passed The inspector is not required to determine ____ ___ of any system or component. -Years of age -Life expecta ncy -Make model Horizontal waste pipe should slope ____ inch per foot 1/4" per foot if < 3 inch pipe. 1/8" per foot if > or = to 3 inch pipe Drip screed Also called weep screed. U...
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HVAC Unit 12 Basic Electricity and Magnetism
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HVAC Unit 12 Basic Electricity and MagnetismWhat type of charge does an electron have? - correct answer Negative 
 
If five electrons combine with three protons, the net charge will be? - correct answer Negative 
 
Typical insulators are? - correct answer Glass, rubber, Plastic 
 
An ampre is? - correct answer A measure of the quantity of electrons flowing past a point in the electrical current in any given time 
 
If two light bulbs are wired in a series and one light bulb burns out, the other ...
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AIC Exam Questions And Answers (Verified And Updated)
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AIC Exam Questions And Answers (Verified And Updated) 
1. A project schedule has been updated. The activity placement of spread footing concrete was originally scheduled to begin as early as day 10. The activity duration is 4 days. The actual start day was day 12. The original schedule had calculated total float of 7 days for this activity. The recalculated total float for the activity, when updated, would be... 
A. 2 days 
B. 5 days 
C. 6 days 
D. 9 days 
B. 5 Days 
 
 
2. The purpose of retain...
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AIC Prep UH Questions and Answers 100% Pass
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AIC Prep UH Questions and Answers 100% Pass 
A 'place concrete' activity requires the placement of 2080 cubic yards. If the individual 
production rate is 2 cubic yards per work hour per person, with a 10-person crew and 8 
hour workday, how many days are needed to complete this activity? 
a. 13 
b. 26 
c. 104 
d. 130 - Correct Answer ️️ -a. 13 
A topographical map is a drawing showing? 
a. Subsurface soil conditions 
b. A general profile view of the site 
c. Contour lines and elevations d...
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Electricity for HVACR 1st Edition by Joseph Moravek
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Unit 1: Read This Unit First: What I Need to Know to Understand Electricity 
 
Unit 2: Ohms Law 
 
Unit 3: Safe Use of Electrical Instruments 
 
Unit 4: Electrical Fasteners 
 
Unit 5: Power Distribution 
 
Unit 6: National Electric Code 
 
Unit 7: Electrical Installation of HVAC 
 
Unit 8: Transformers 
 
Unit 9: Relays, Contactors and Motor Starters 
 
Unit 10: Capacitors 
 
Unit 11: Thermostats 
 
Unit 12: Pressure Switches 
 
Unit 13: Miscellaneous Electrical Components 
 
Unit 14: How Do Mo...
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HVAC S.T.A.R QUESTIONS AND ANSWERS ALREADY PASSED
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HVAC S.T.A.R QUESTIONS AND 
ANSWERS ALREADY PASSED 
 
The evaporator in a refrigeration system: Is the component where refrigerant boils and 
absorbs heat. 
 
The purpose of the compressor is to change ___________. Low-pressure, low-temperature 
vapor to a high-pressure, high temperature vapor 
 
A common refrigerant leak detection device is the: Halide torch. 
 
Copper-plating of compressor parts is: Caused by contaminants in the system. 
 
If not properly installed, a hot-gas muffler might tra...
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HVAC Unit 29 Troubleshooting and Typical Operating Conditions for Commercial Refrigeration Review Questions and Answers
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HVAC Unit 29 Troubleshooting and Typical Operating Conditions for Commercial Refrigeration Review Questions and AnswersHVAC Unit 29 Troubleshooting and Typical Operating Conditions for Commercial Refrigeration Review Questions and AnswersHVAC Unit 29 Troubleshooting and Typical Operating Conditions for Commercial Refrigeration Review Questions and Answers 
What is the first thing a technician should know before beginning troubleshooting? - ANSWER - Knowing the correct operating pressures for a t...
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HVAC final exam, unit 12 Correct 100%(SCORED A+)
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HVAC final exam, unit 12 Correct 100%(SCORED A+) 
 
An ampere is - ANSWER A measure of the quality of electrons flowing past a point in the electrical circuit in a given time 
 
What part of an atom moves from one atom to another? - ANSWER electron 
 
An element in an electric heating unit is applied to a 232-volt power supply. The current flow through the element is 19 amperes. What is the resistance of the element? - ANSWER 12 ohms 
 
If a conductor carrying electrical current is formed into a...
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