A forced hot air furnace - Study guides, Class notes & Summaries
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G2 Gas Technician Module 19 Revised Questions and Answers with complete solution
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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 popular? - High boy Up Flow 
What type of furnace i...
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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? 
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? 
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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AHIT Test Questions and Answers with complete solution
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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. Observ...
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ABSA 5th Class Exam Questions and Answers 100% Pass
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ABSA 5th Class Exam Questions and 
Answers 100% Pass 
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. insufficie...
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ABSA B1 Study Bank Questions And Answers With Complete Solution Rated A+>>2024
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Packaged watertube boilers capacities range from? 
a. 2300 kg to 65000 kg per hour 
b. 500 kg to 100 mg per hour 
c. 15 psi to 15000 kg per hour 
d. 65000 to 100000 kg per hour - A 
The main advantage of the packaged boiler is its 
a. small size 
b. compact design 
c. low cost 
D. quality steam - C 
Feild erected boilers have outputs of? 
A 75,000 kg/h 
B 100,000 kg/h 
C 100 mg/h 
D 150,000 kg/h or more - D 
Where electric power is used as a heating source, the boiler rating shall be ...
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InterNachi HVAC Material Questions With 100% Correct Answers.
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A heat source capable of maintaining at least __________ should serve every habitable space in houses 
in almost all regions. - Answer 68F 
Burning natural gas creates _______________. - Answer Water vapor and carbon dioxide 
Burning natural gas with Oxygen yields CO2, water vapor and _______. - Answer Heat 
As hot gases cool, they release a lot of heat energy as the change their state from __________. - Answer 
Gas to a liquid 
If combustion air is inadequately supplied to a gas furnace, ______...
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ABSA B1 Study Bank Questions And Answers With Complete Solution Rated A+>>2024
- Exam (elaborations) • 53 pages • 2024
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Packaged watertube boilers capacities range from? 
a. 2300 kg to 65000 kg per hour 
b. 500 kg to 100 mg per hour 
c. 15 psi to 15000 kg per hour 
d. 65000 to 100000 kg per hour - A 
The main advantage of the packaged boiler is its 
a. small size 
b. compact design 
c. low cost 
D. quality steam - C 
Feild erected boilers have outputs of? 
A 75,000 kg/h 
B 100,000 kg/h 
C 100 mg/h 
D 150,000 kg/h or more - D 
Where electric power is used as a heating source, the boiler rating shall be ...
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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 wiring 
...
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PROFESSIONAL HOME INSPECTOR EXAM NHIE / TREC - PART 2
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What type of roof requires on interlayment of felt between courses? 
a. Wood shakes 
b. Roll roofing 
c. Wood shingles 
d. Slate shingles - Answer-a. Wood shakes 
 
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-Cooler 
 
When inspecting kitchen cabinets: 
a. Observe that they are securely attached to the wall 
b. Remove everything from the cabinets and insp...
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ABSA B1 Study Bank Questions with 100% Correct
- Exam (elaborations) • 134 pages • 2024
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ABSA B1 Study Bank Questions with 100% Correct 
Packaged watertube boilers capacities range from? 
a. 2300 kg to 65000 kg per hour 
b. 500 kg to 100 mg per hour 
c. 15 psi to 15000 kg per hour 
d. 65000 to 100000 kg per hour - Answer- A 
The main advantage of the packaged boiler is its 
a. small size 
b. compact design 
c. low cost 
D. quality steam - Answer- C 
Feild erected boilers have outputs of? 
A 75,000 kg/h 
B 100,000 kg/h 
C 100 mg/h 
D 150,000 kg/h or more - Answer- D 
Where electric p...
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