A forced hot air furnace - Study guides, Class notes & Summaries
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Gas Technician G2 License Test Questions and Answers 2024-2025 Verified 100%
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Gas Technician G2 License Test Questions and Answers Verified 100% 
An inline Ammeter is connected Ans- In series with the device being checked 
 
As the length of an Electrical run increases, it may be necessary to Ans- Increase the Wire Size 
 
Fuses serving motor circuits should be of Ans- Time Delay Type 
 
Millivolt wiring should be isolated from Line Voltage Wiring because Ans- The Line Voltage will induce a voltage into the Millivolt Wiring 
 
Which tool is used to determine if t...
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AHIT Test Questions (Home Inspector National Exam) with 100% Correct Answers
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AHIT Test Questions (Home Inspector National Exam) with 100% Correct Answers AHIT Test Questions (Home Inspector National Exam) with 100% Correct Answers 
In an older home, a forced hot air furnace is replaced by a heat pump. The heat coming out of the register is: 
a. Hotter 
b. Cooler 
c. Same 
d. Depends on the air duct layout - ANSWER-b. Cooler 
 
What is the most serious safety hazard with an exterior door? 
a. Door knob set at 3' 6" 
b. A foot quick release, security bracket 
c. Doubl...
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G2 Gas Technician Module 19 Revised Questions Rated A
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G2 Gas Technician Module 19 Revised Questions Rated A 
If the venting on a high efficiency furnace runs through unheated spaces, what must be done? Insulate piping to prevent Condensation and freezing 
What is condensate drain piping used for? Dispose Liquid waste 
Once the furnace is installed, what are the gas technician's responsibilities to the user? To instruct the the user in the safe and correct operation of all appliances and equipment - clause 4.3.2 
Which furnace type is the most popu...
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AHIT Test Questions With Accurate Answers
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In an older home, a forced hot air furnace is replaced by a heat pump. The heat coming out of the register is: 
a. Hotter 
b. Cooler 
c. Same 
d. Depends on the air duct layout - ANSWER-b. Cooler 
 
What is the most serious safety hazard with an exterior door? 
a. Door knob set at 3' 6" 
b. A foot quick release, security bracket 
c. Double cylinder dead bolt (keyed inside and outside) - ANSWER-c. Double cylinder dead bolt (keyed inside and outside) 
 
When inspecting kitchen cabinets: 
a. Ob...
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C20 TEST EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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Cable contains a black wire, white wire, and smaller uncoated copper wire. What to do with copper wire? - ANSWER ☑☑Ground it 
 
Needle on volt meter shows infinite ohms. What does this indicate? - ANSWER ☑☑Switch or circuit is open 
 
Difference between a gravity-type heating system and forced air is that the gravity type relies on _______________ for air distribution - ANSWER ☑☑Difference between hot and cold air 
 
What is the most efficient propane flame - ANSWER ☑☑soft bl...
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Gas Fitter 2 Practice Test - Questions and Answers
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Gas Fitter 2 Practice Test - Questions and Answers Installation of one 400,000 btu natural draft boiler in a tight enclosure would require an air supply opening of? A. 114 sq in B. 50 sq in C. 58 sq in D 112 sq in With the installation of a 75,000 btu atmospheric hot water tank in a tight house, how much free air is required when using a round duct? A. 11" B. 4" C. 7" D. 3" A portable infrared heater that cannot be interlocked shall be connected to a: A. CO2 monitor alarm B. CO monitor ala...
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ABSA 4b Exam Latest Version.
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ABSA 4b Exam Latest Version. 
Warm Air Heating System Equipment 
 
 
In a warm air heating system the cold air return registers 
are located 
a) in exterior walls 
b) in interior locations 
c) under windows 
d) in floors 
e) in ceilings 
B 
 
 
The major disadvantage of an electric resistance coil furnace 
for warm air heating is 
a) the high cost of electricity 
b) the danger from electric shock 
c) the high cost of maintenance 
d) the large size of the furnace 
e) the location of electrical wi...
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InterNachi HVAC Material 137 Final (Exam) Quiz Queries Correctly Answered|2024|Grade A+
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A heat source capable of maintaining at least __________ should serve every habitable space in houses in almost all regions. - ️️68F 
 
Burning natural gas creates _______________. - ️️Water vapor and carbon dioxide 
 
Burning natural gas with Oxygen yields CO2, water vapor and _______. - ️️Heat 
 
As hot gases cool, they release a lot of heat energy as the change their state from __________. - ️️Gas to a liquid 
 
If combustion air is inadequately supplied to a gas furnace, ____...
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C20 Test Questions & 100% Verified Answers | Latest Update | Already Graded A
- Exam (elaborations) • 19 pages • 2024
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Cable contains a black wire, white wire, and smaller uncoated copper wire. What to do 
with copper wire? 
: Ground it 
Needle on volt meter shows infinite ohms. What does this indicate? 
: Switch or circuit is open 
Difference between a gravity-type heating system and forced air is that the gravity type 
relies on _______________ for air distribution 
: Difference between hot and cold air 
What is the most efficient propane flame 
: soft blue flame with slightly yellow tips 
which gage would y...
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ABSA 5th Class | 250 Questions | With Completed Solutions
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ABSA 5th Class | 250 Questions | With 
Completed Solutions 
Where are the return openings located regarding air distribution systems? -Answer-Return air 
openings are located on inner walls. 
The minimum temperature of the water used in a hydrostatic test of a boiler cannot be less than 
what temperature? -Answer-20 degrees Celsius 
Which of the following are causes of pressure explosions? 
1. effects of corrosion 
2. weak pilot flame 
3. stressed material due to heating too quickly 
4. insuffic...
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