Combustion burning - Study guides, Class notes & Summaries
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IAAI CFI Study Questions and Answers (2024/2025)
- Exam (elaborations) • 18 pages • 2023
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Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 
12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, 
and it then flows through an electrical load of 1500 watts, what is the amperage of the 
remaining current flow of the return circuit? 
1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), 
what is the wattage? 
*Power (P) = current (I) x voltage (V) 
Watts = amps x volts 
1987 - Correct answer-The y...
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Oil Burner License Exam 2023 Questions and Answers
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What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. 
 
What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. 
-Install a quality oil filter. 
-Cut the suction line 10" above the tank outlet to prevent sludge. 
 
Hot water and steam valves are interchangeable. - Answer- False 
 
When in the presence of a flame, a cad cell normally reads.. - Answe...
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S-290 Intermediate Wildland Fire Behavior Exam Questions and Answers Graded A 2024
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T/F 
 
Topography can directly and indirectly affect fuels and their availability for combustion - True 
 
Of the three environmental factors that influence fire behavior, which is the least variable - topography 
 
What are the 3 Environmental Factors that influence Fire Behavior? - 1) Weather 
2) Topography 
3) Fuels 
 
The least critical form of heat transfer that influences rate of spread in a running wildland fire is. - Conduction 
 
The point to which a combustible material must be heate...
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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Version: 1.0 Final *JUN238464C2H01* IB/M/Jun23/E7 8464/C/2H QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 47 pages • 2024
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GCSE 
COMBINED SCIENCE: TRILOGY 
8464/C/2H 
Chemistry Paper 2H 
Version: 1.0 Final 
*JUN238464C2H01* 
IB/M/Jun23/E7 8464/C/2H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
TOTAL 
Tuesday 13 June 2023 Morning Time allowed: 1 hour 15 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator 
• the periodic table (enclosed). 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes at t...
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TCFP Driver/ Operator| 602 Questions| With Complete Solutions
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In 1720 what was the piece of equipment to replace the bucket brigade? correct answer: Hand Pump 
 
Which NFPA standard required new fire apparatus to be designed so that all members riding on the fire apparatus would be provided a seated area inside an enclosed cab? correct answer: NFPA 1500 
 
What was the first gasoline powered fire apparatus to discharge water by using a large soda acid extinguisher? correct answer: Chemical Wagon 
 
The real breakthrough for today's modern fire apparatu...
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InterNachi HVAC Material | 137 Questions with 100% Correct Answers | Updated & Verified
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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, ___________ will be produced. - 
C...
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S-290 Final Exam A Questions and Answers Already Passed
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S-290 Final Exam A Questions and Answers Already Passed 
T/F Topography can directly and indirectly affect fuels and their availability for combustion? True 
Of the three primary environmental factors that influence fire behavior, which is the least variable? Topography 
The least critical form of heat transfer that influences rate of spread in a running wild land fire is: Conduction 
The point to which a combustible material must be heated to produce self sustaining combustion is known as the: ...
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HVAC Gas Heat certification exam Questions and Answers 100% Pass
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HVAC Gas Heat certification exam 
Questions and Answers 100% Pass 
A gas furnace is to be installed in a garage. The national standards require that the 
burners and ignition sources must be located ______ above the floor - Correct Answer ️️ 
-18 inches 
A good description of how a bi-metal fan switch operates the blower motor on a gas 
furnace is - Correct Answer ️️ -Temperature on- temperature off 
Redundant gas valves used on gas furnaces have - Correct Answer ️️ -Dual gas shut 
o...
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COF P-98 PRACTISE EXAM / 100 QUESTIONS AND VERIFIED ANSWERS 2023/2024 / ALL CORRECT.
- Exam (elaborations) • 22 pages • 2023
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COF P-98 PRACTISE 
EXAM / 100 QUESTIONS 
AND VERIFIED ANSWERS 
2023/2024 / ALL CORRECT. 
COF P-98 Practice test 
2023 
1. The person supervising the Fuel-Oil transfer in the building from one floor to 
another must hold what type of certificate of fitness: P-98 Certificate of Fitness 
2. In designing the fuel-Oil transfer system, such as diesel #2 oil from the 
lowest floor to the floor above the tank level, the following factors must be 
considered:: - Maximum inlet suction an flow-rate 
- Desi...
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MN Boiler License Questions With Complete Solutions Graded A+
- Exam (elaborations) • 37 pages • 2024
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MN Boiler License Questions With Complete Solutions Graded A+ 
 
a question 
an answer 
what are the conditions necessary for good combustion? 
a) low sulfur content 
b) Thermal, thermocoupler, tubular 
c) turbulence, temperature, time 3T's 
c) turbulence, temperature, time 3T's 
why is secondary air necessary in hand fired boilers? 
a) Necessary to burn the combustible gases 
b) if primary air should fail 
c) used only if sulfur content is high 
a) Necessary to burn the combustible gases 
whe...
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