Nate gas heat test - Study guides, Class notes & Summaries
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NATE Gas Heat Practice Guide (2022/2023) Rated A+
- Exam (elaborations) • 29 pages • 2023
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NATE Gas Heat Practice Guide (2022/2023) Rated A+ 
What precautions are required when mounting any gas furnace on a wood platform in an attic? None 
The gas control valve may be damaged if exposed to an inlet pressure above what? 14 inch W.C. 
How many elbows and joints should a vent connector have? As few as possible to reduce resistance of flue gases. 
Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the water heater: Under no condition...
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NATE A/C Exam #1 Questions And Correct Answers | Graded To Pass
- Exam (elaborations) • 19 pages • 2024
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NATE A/C Exam 1 
Low airflow over a residential split system air conditioning evaporator can cause 
A: Liquid flood-back to the compressor 
B: A decrease in compression ratio 
C: An increase in suction line superheat 
D: Oil logging in the evaporator - Answer-A: Liquid flood-back to the compressor 
Which of the following is the correct sequence of work? 
A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the 
system. 
B: Recover refrigerant, evacuat...
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NATE Exam Bundle (Full pack solution Graded A) 2023
- Package deal • 12 items • 2022
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NATE Exam: AC & HP 
NATE Exam: Air Conditioning and Heat Pumps
NATE Exam: Core Test Refresher
NATE - Gas & Heat
HVAC NATE Heat Pump
Nate core
NATE Core
Nate Core Exam 
Nate core Exam with complete solutions
NATE Exam: Core Essentials Questions
NATE CORE STUDY GUIDE
NATE CORE-Exam 2023 Questions and Answers
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Nate Gas Furnace Service questions and answers| verified
- Exam (elaborations) • 16 pages • 2023
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Nate Gas Furnace Service questions and answers| verified 
What precautions, if any, must be taken when installing a gas furnace on a wooden platform in an attic? 
Use a zero-clearance furnace or add a non-combustible base 
 
 
 
A vent connector should have a as few elbows and joints as possible to: 
Reduce resistance of flue gases 
 
 
 
The gas control valve may be damaged if exposed to an inlet pressure above 
14in wc 
 
 
 
To which thermostat is leveling the most critical: 
Mercury Bulb 
 
...
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NATE Gas Heat Practice Guide 100% accurate, latest updated
- Exam (elaborations) • 13 pages • 2023
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NATE Gas Heat Practice Guide 100% accurate, latest updated 
What precautions are required when mounting any gas furnace on a wood platform in an attic? 
None 
 
 
 
The gas control valve may be damaged if exposed to an inlet pressure above what? 
14 inch W.C. 
 
 
 
How many elbows and joints should a vent connector have? 
As few as possible to reduce resistance of flue gases. 
 
 
 
Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the wa...
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HVAC NATE Heat Pump, questions and answers with complete top solutions
- Exam (elaborations) • 14 pages • 2023
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HVAC NATE Heat Pump, questions and answers with complete top solutions 
On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? 
6-7PSI or 6F 
 
 
 
What is the primary purpose of using flux when soldering copper or brass parts? 
Prevent Oxidation 
 
 
 
The water that results from a defrost cycle of an air to air heat pump(runoff) must? 
Drain off and away from the outdoor coil. 
 
 
 
Why must the runoff be drained off and away...
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NATE Exam: Air Conditioning and Heat Pumps, questions with complete top solutions
- Exam (elaborations) • 19 pages • 2023
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NATE Exam: Air Conditioning and Heat Pumps, questions with complete top solutions 
Which of the following factors affects a customer's level of comfort? 
 
a. Air movement 
b. Humidity 
c. Temperature 
d. All of the above 
d (All of the above: air movement, humidity, temperature) 
 
 
 
A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. 
 
a. ±10% 
b. +10% 
c. +15% 
...
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NATE/ICE Test, questions and answers with rated content
- Exam (elaborations) • 4 pages • 2023
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NATE/ICE Test, questions and answers with rated content 
formula to convert celsius to fahrenheit 
F = (1.8 x C) + 32 
 
 
 
formula to convert fahrenheit to celsius 
C = .56 (F - 32) 
 
 
 
specific heat 
the amount of heat required to raise 1 lb of a substance 1 degree fahrenheit 
 
 
 
sensible heat 
Is the heat that came be measured or sensed by a thermometer 
 
 
 
latent heat 
hidden heat that changes the state of a substance 
 
 
 
Btu 
The amount of heat requires to raise one pound of wa...
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NATE Final Exam #1 correctly answered latest 2023
- Exam (elaborations) • 12 pages • 2023
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NATE Final Exam #1 correctly answered latest 2023Generally, vibration eliminators in piping should be installed: 
 
A: At a 45 degree angle 
 
B: At a 90 degree angle 
 
C: Perpendicular to the compressor crankshaft 
 
D: Parallel to the compressor crankshaft 
D: Parallel to the compressor crankshaft 
 
 
 
If you purchased ten filter-driers for $100.00, what was the price of each filter-drier? 
 
A: $100.00 
 
B: $10.00 
 
C: $1.00 
 
D: $1.10 
B: $10.00 
 
 
 
Which of the following jobs requi...
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NATE A/C Exam #1,100% accurate answers| latest updated
- Exam (elaborations) • 14 pages • 2023
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NATE A/C Exam #1,100% accurate answers| latest updated 
Low airflow over a residential split system air conditioning evaporator can cause 
 
A: Liquid flood-back to the compressor 
 
B: A decrease in compression ratio 
 
C: An increase in suction line superheat 
 
D: Oil logging in the evaporator 
A: Liquid flood-back to the compressor 
 
 
 
Which of the following is the correct sequence of work? 
 
A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharg...
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