Hvac unit 12 - Study guides, Class notes & Summaries
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Vivint practice quiz questions and answers 100% correct
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Vivint practice quiz questions and answers 100% correct 
True or False: The FireFighter may be installed next to a stand-alone battery-powered smoke detector. False 
True or False: When performing a full system test, you may bypass any open doors or windows. False 
When programming an SKEY1, you must Always...? Enable emergency key 
True or False: When running power to the TAKE-345, polarity does not apply. False 
When programming the emergency key for an SKEY1, which zone/sensor types are recom...
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Vivint Smart Home Pro Final Exam (2023/2024) (Complete Solutions)
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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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HVAC final exam, unit 12 Correct 100%(Graded A+)
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HVAC final exam, unit 12 Correct 100%(Graded 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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HVAC final exam, unit 12
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HVAC final exam, unit 12
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Hvac Journeyman Exam 2024 Questions and Correct Answers.
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Hvac Journeyman Exam 2024 Questions and Correct Answers. 
Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and 
retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much 
less than the air test. - ANSWER-B. Fitting shall be replaced or repaired and retested. 
UMC Section 1316.4.3 
Every absorption refrigerating system supported from the ground shall rest on a 
concrete slab extending not less than _____ the adjoining ground leve...
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Automotive Air Conditioning Study Guide with complete verified solutions 2024
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Heat intensity is measured in ________. 
degrees 
 
 
 
A BTU is a measure of ________. 
amount of heat 
 
 
 
Heat transferred through the air is called ________. 
convection 
 
 
 
Two technicians are discussing heat movement. Technician A says that heat is a form of energy. Technician B says that heat travels from hot to cold. Which technician is correct? 
Both 
 
 
 
100 degrees F is about ________ degrees C. 
38 c 
 
 
 
A main source of heat used to warm the passenger compartment is ______...
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Hvac Journeyman Exam 2024 Questions and Correct Answers.
- Exam (elaborations) • 10 pages • 2024
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Hvac Journeyman Exam 2024 Questions and Correct Answers. 
Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and 
retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much 
less than the air test. - ANSWER-B. Fitting shall be replaced or repaired and retested. 
UMC Section 1316.4.3 
Every absorption refrigerating system supported from the ground shall rest on a 
concrete slab extending not less than _____ the adjoining ground leve...
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CPCU 500 - Simulated Exam Questions and Answers 100% Verified
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CPCU 500 - Simulated Exam Questions and 
Answers 100% Verified 
InterMountain Railroad carries logs, lumber, plywood, and other forest products in a six-state 
region in the Western part of the United States. InterMountain self-insures its derailment cargo 
losses. The risk manager at InterMountain ran a regression using ton-miles (one ton of cargo 
carried one mile) as the independent variable and dollar losses as the dependent variable. The 
independent variable is in units per 10,000 and the ...
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HVAC S.T.A.R EXAM QUESTIONS AND ANSWERS 100% PASS
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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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Hvac Journeyman Exam Questions and Answers Updated 2024/2025 (100% Verified)
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Hvac Journeyman Exam Questions and Answers Updated 2024/2025 (100% Verified) Every absorption refrigerating system supported from the ground shall rest on a 
concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches 
below(B) 3 inches above (C) 6 inches below(D) 6 inches above. - ANSWER-B. Slab 
extending not less than 3" above the adjoining ground level. UMC Section 1106.2 
Any part of a venting system installed at an angle greater than 45 degrees from the 
vertical i...
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