Hvac r - Study guides, Class notes & Summaries
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CDC: 3E151 - HVAC/R JOURNEYMAN VOLUME 5 (VOLUME 5 - COOLING AND REFRIGERATION SYSTEMS) SCORED A+
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CDC: 3E151 - HVAC/R JOURNEYMAN VOLUME 5 (VOLUME 5 - COOLING AND REFRIGERATION SYSTEMS) SCORED A+
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HVAC Refrigeration Final Practice Exam Questions and Answers 100% Pass
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HVAC Refrigeration Final Practice Exam 
Questions and Answers 100% Pass 
Temperature - Correct Answer ️️ -Levels of heat, the speed of molecules are traveling 
British thermal unit - Correct Answer ️️ -Amount of heat To raise the temperature of 1 
lbs of water 1 degree F 
Heat flow - Correct Answer ️️ -Transfer from hot to cold 
Conduction of heat - Correct Answer ️️ -Heat transfer from one molecule to another 
within a substance or both substances are in contact with touching 
C...
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HVAC-R Mid-term Review 2024 Questions & Answers Rated A+
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HVAC-R Mid-term Review 2024 Questions & Answers Rated A+
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HVAC-R Unit 1 Review Questions and Answers 100% Correct
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HVAC-R Unit 1 Review Questions and Answers 100% CorrectHVAC-R Unit 1 Review Questions and Answers 100% CorrectHVAC-R Unit 1 Review Questions and Answers 100% CorrectHVAC-R Unit 1 Review Questions and Answers 100% Correct 
List some of the different ways that homes and buildings may be heated. - ANSWER - Wood, gas, oil, electric, solar, heat pumps, and geothermal. 
 
What were some of the primary heating fuels that early civilizations used? - ANSWER - Wood, peat, and coal remained the primary hea...
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HVAC Electric Review 2 Questions & Answers 100%
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Resistance is? - ANSWEROpposition to current flow 
 
An electron has? - ANSWERA negative charge 
 
Impedance is? - ANSWEROpposition to alternating current flow 
 
Current flow is? - ANSWERElectron flow in a circuit
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HVAC RIGGING PRACTICE QUESTIONS 2024.
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HVAC RIGGING PRACTICE QUESTIONS 2024. 
 
 
The rated capacity is the ______ load weight that the sling is designed to carry. - CORRECT ANSWER maximum 
 
Slings are often made of ______ chain or wire rope material. - CORRECT ANSWER synthetic 
 
Most alloy chain slings can be used in temperatures up to_____ ______ ______ . - CORRECT ANSWER 500 degrees F 
 
When the tail has been pulled into the jacket, it indicates that the sling may have been______. - CORRECT ANSWER overloaded 
 
Like other sling...
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HVAC-R UPDATED Exam Questions and CORRECT Answers
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HVAC-R UPDATED Exam Questions and 
CORRECT Answers 
A Coil - Ans evaporator consisting of two coils joined together forming the shape of the 
letter A 
Absolute Humidity - Ans the actual amount of moisture in a given volume of air 
absolute pressure - Ans gauge pressure + atmospheric pressure 
absolute temperature - Ans temperature measured from absolute zero
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HVAC-R Midterm UPDATED Exam Questions and CORRECT Answers
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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
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Electricity for HVAC REVIEW Practice Test 3 True or False Correct 100%
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True - ANSWER Copper wire bend easily, has good mechanical strength, resists corrosion, and can be easily joined. 
 
True - ANSWER Aluminum is a good conductor of electricity, however, it has a tendency to corrode. 
 
False - ANSWER Voltage drop in a conductor is of least importance when sizing wire. 
 
False - ANSWER The maximum recommended voltage drop for a branch circuit is eight percent. 
 
False - ANSWER The allowable voltage drop of most manufacturers is 15% below the nameplate rating. 
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HVAC NATE Heat Pump|171 Questions with Correct Answers| Verified 2024
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HVAC NATE Heat Pump|171 Questions with Correct Answers| Verified 2024 On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANSWER-6-7PSI or 6F
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