Hvacr unit 2 Study guides, Class notes & Summaries
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Nate core exam Questions And Answers
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What are the five basic components to any schematic? - ANS 1. A power supply 
2. A path for the power 
3. A load or component that operates from the power. 
4. A switch or component that interrupts the power to the load. 
5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. 
 
What are the three basic types of wiring diagrams used in the HVACR trade? - ANS 1. The ladder diagram 
2. The pictorial diagram 
3. The installation diagr...
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(Answered) EPA SECTION 608 CORE (2021-2022 revision)
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EPA SECTION 608 CORE (2021-2022 revision) 
A disposable cylinder should be reduced to what pressure before scrapping? 
a. 0 psig 
b. 20 psig 
c. 50 psig 
d. 80 psig 
 
A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? 
a. Add R-22 after the repair is complete. 
b. Retrofit the unit to R-407C. 
c. Use recovered or recycled R-22 from the same 
owner. 
d. Top off the unit with R-410a. 
A refillable cylinder must not be filled above what ...
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Nate core exam latest complete solution 2024 A+ GRADED.
- Exam (elaborations) • 11 pages • 2024
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Nate core exam latest complete solution 2024 A+ GRADED 
 
 
 
 
 
 
 
 
 
 
What are the five basic components to any schematic? - 1. A power supply 
2. A path for the power 
3. A load or component that operates from the power. 
4. A switch or component that interrupts the power to the load. 
5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. 
 
What are the three basic types of wiring diagrams used in the HVACR trade? - 1. The ladder diagram...
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Nate core Exam 2024 with Guaranteed Accurate Answers
- Exam (elaborations) • 15 pages • 2024
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What are the five basic components to any schematic? - correct answer 1. A power supply 
2. A path for the power 
3. A load or component that operates from the power. 
4. A switch or component that interrupts the power to the load. 
5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. 
 
What are the three basic types of wiring diagrams used in the HVACR trade? - correct answer 1. The ladder diagram 
2. The pictorial diagram 
3. The installation...
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HVACR UNIT 55 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
- Exam (elaborations) • 5 pages • 2024
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HVACR UNIT 55 EXAM | QUESTIONS & 
ANSWERS (VERIFIED) | LATEST UPDATE | 
GRADED A+ 
A major difference between the operation of an oil furnace and a gas furnace is that: 
Correct answer: The oil must be atomized before ignition. 
An oil furnace heat exchanger is built: 
Correct answer: Like a drum. 
How are oil burner nozzles rated? 
Correct answer: Cone shape, spray angle, and GPH 
Modern residential oil furnaces sense the flames using: 
Correct answer: A cadmium sulfide cell. 
Sealed combust...
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Nate Core Exam Study Guide- Questions with Answers
- Exam (elaborations) • 11 pages • 2024
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What are the five basic components to any schematic? 1. A power supply 
2. A path for the power 
3. A load or component that operates from the power. 
4. A switch or component that interrupts the power to the load. 
5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. 
 
What are the three basic types of wiring diagrams used in the HVACR trade? 1. The ladder diagram 
2. The pictorial diagram 
3. The installation diagram 
 
Describe the character...
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Nate core exam || with 100% Errorless Solutions.
- Exam (elaborations) • 11 pages • 2024
-
Available in package deal
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What are the five basic components to any schematic? correct answers 1. A power supply 
2. A path for the power 
3. A load or component that operates from the power. 
4. A switch or component that interrupts the power to the load. 
5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. 
 
What are the three basic types of wiring diagrams used in the HVACR trade? correct answers 1. The ladder diagram 
2. The pictorial diagram 
3. The installation d...
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Nate core exam (With 100% correct answers)
- Exam (elaborations) • 16 pages • 2023
- Available in package deal
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What are the five basic components to any schematic? correct answers 1. A power supply 
2. A path for the power 
3. A load or component that operates from the power. 
4. A switch or component that interrupts the power to the load. 
5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. 
 
What are the three basic types of wiring diagrams used in the HVACR trade? correct answers 1. The ladder diagram 
2. The pictorial diagram 
3. The installation d...
-
Nate Core Exam Questions with Complete Solutions Graded A+
- Exam (elaborations) • 16 pages • 2024
- Available in package deal
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- $13.49
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What are the five basic components to any schematic? - Answer: 1. A power supply 
2. A path for the power 
3. A load or component that operates from the power. 
4. A switch or component that interrupts the power to the load. 
5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. 
 
What are the three basic types of wiring diagrams used in the HVACR trade? - Answer: 1. The ladder diagram 
2. The pictorial diagram 
3. The installation diagram 
 
...
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Nate Core Exam Study Guide with Questions and Correct Answers
- Exam (elaborations) • 13 pages • 2023
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Available in package deal
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What are the five basic components to any schematic? - 1. A power supply 
2. A path for the power 
3. A load or component that operates from the power. 
4. A switch or component that interrupts the power to the load. 
5. A legend or key that explains what the various symbols and abbreviations used in the schematic mean. 
 
What are the three basic types of wiring diagrams used in the HVACR trade? - 1. The ladder diagram 
2. The pictorial diagram 
3. The installation diagram 
 
Describe the...
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