Heat pump work - Study guides, Class notes & Summaries
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NATE Heat Pump Exam Questions With Answers Latest Updated 2024/2025 (GRADED A+)
- Exam (elaborations) • 29 pages • 2024
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NATE Heat Pump Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) Charging a heat pump with refrigerant is best accomplished in the 
mode. 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode: B: Cooling mode 
2. Heat pumps can provide both heating in the winter and cooling in the 
summer. In which mode is the heat pump more efficient? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
NATE Heat Pump Exam Questions and Answers 
Latest Updated 2024/2025 (GRA...
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TEST BANK for Seeley's Anatomy & Physiology 13th Edition by Cinnamon VanPutte, Jennifer Regan, Andrew Russo. All Chapters 1-29. (Complete Download) 1751 Pages
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Version 1 1 
CHAPTER 1 
1) Which technique creates a three-dimensional dynamic image of blood vessels? 
A) Digital subtraction angiography 
B) Magnetic resonance imaging 
C) Dynamic spatial reconstruction 
D) Positron emission tomography 
2) Magnetic resonance imaging is based on the movement of 
A) electrons in a magnetic field. 
B) carbons in a magnetic field. 
C) protons in a magnetic field. 
D) cells in a magnetic field. 
3) The delivery of a radioactive compound to the body to study the met...
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NATE Heat Pump Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+)
- Exam (elaborations) • 29 pages • 2024
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NATE Heat Pump Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) Charging a heat pump with refrigerant is best accomplished in the 
mode. 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode: B: Cooling mode 
2. Heat pumps can provide both heating in the winter and cooling in the 
summer. In which mode is the heat pump more efficient? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
NATE Heat Pump Exam Questions and Answers 
Latest Updated 2024/2025 (GRA...
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HVAC CONTRACTOR EXAM QUESTIONS AND ANSWERS ALREADY PASSED
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HVAC CONTRACTOR EXAM QUESTIONS 
AND ANSWERS ALREADY PASSED 
 
An instrument that measures potential differences between 2 points in an electrical circuit is 
called? 
 
A. potentiometer 
B. thermistor 
C. ohmeter 
 
D. voltmeter 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 thermostatic expansion valve 
 
when...
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NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated 2024/2025 (GRADED)
- Exam (elaborations) • 15 pages • 2024
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NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated 2024/2025 (GRADED) The combined output of a heatpump and its auxiliary heat should not exceed the 
calculated heat loss of a home by more than ____%. - ANSWER-15% 
What amount of auxiliary electronic heat is needed when the output of a heat pump on a 
design day equals 18,800 Btuh and the heat loss of a home is 29,700 Btuh? - 
ANSWER-3.2 kWh 
The three processes that transfer heat energy are conduction, convection, and 
_____...
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NATE Heat Pump Exam Questions and Answers 100% Correc
- Exam (elaborations) • 13 pages • 2024
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NATE Heat Pump Exam Questions and 
Answers 100% Correct 
Charging a heat pump with refrigerant is best accomplished in the _______ mode. 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode - CORRECT ANSWER-B: Cooling mode 
Heat pumps can provide both heating in the winter and cooling in the summer. In which 
mode is the heat pump more efficient? 
A: Heating mode 
B: Cooling mode 
C: Defrost mode 
D: Emergency heating mode - CORRECT ANSWER-A: Heating mode 
Which of the...
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Local 94 School - 475 terms to know for the RMO written exam with Answers
- Exam (elaborations) • 30 pages • 2024
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Local 94 School - 475 terms to know for the RMO written exam with Answers 
 
How do automatic expansion valves work? - ANS Evaporator pressure closes the valve and spring pressure opens the valve. 
 
When will a faulty check valve cause the most damage? - ANS On startup. 
 
What will happen if a TEV'S sensing bulb insulation wears off of the suction line in an 85 F Degree room? - ANS You will flood the evaporator. 
 
What can a clogged pump strainer cause? - ANS A reduction or loss in ...
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NACE CIP 2 Exam Questions and Answers 2023
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Describe passivation - ANSWER-Passivation is the formation of a protective oxide Film on the surface reducing its chemical activity and its ability to corrode 
 
Describe the following factors and how they affect corrosion - ANSWER-Oxygen: oxygen increases the rate of corrosion temperature 
Temperature: corrosion usually accelerated with increasing temperature 
Chemical salts: increase the rate of corrosion by increasing the efficiency of the electrolyte 
humidity: the wetter the environment,...
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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...
-
NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated 2024-2025 (GRADED A+)
- Exam (elaborations) • 15 pages • 2024
-
Available in package deal
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- $17.49
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NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated (GRADED A+) The maximum sensible cooling capacity of a heat pump should be within ______% of 
the calculated sensible heat gain of a structure with a large heating load. - ANSWER- 
+25% 
The combined output of a heatpump and its auxiliary heat should not exceed the 
calculated heat loss of a home by more than ____%. - ANSWER-15% 
What amount of auxiliary electronic heat is needed when the output of a heat pump on a 
design d...
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