Heat of combustion - Study guides, Class notes & Summaries
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REHS Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct |Grade A
- Exam (elaborations) • 65 pages • 2023
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REHS Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct |Grade A 
 
Q: Which of the following is non-toxic to aquatic organisms, a good viricide, and adds oxygen to treated 
 wastewater effluents? 
 a. ozone 
 b. calcium hypochlorine 
 c. sulfur dioxide 
 d. chlorine dioxide 
 
 
Answer: 
ozone 
 
 
 
Q: The typical limitation of use of the septic tank absorption field system is due to 
 a. cost 
 b. land use considerations 
 c. soil type and size requirements 
 d. a...
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FDNY S-92 exam 2023/2024 with 100% correct answers
- Exam (elaborations) • 11 pages • 2023
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The following are types of what? LPG, CNG, piped natural gas or solid fuel (coke). - correct answer Portable fueled salamanders/space heaters 
 
National Institute for Occupational Safety and Health (NIOSH) Recommended 
Exposure Limit (REL) for carbon monoxide - correct answer 35 parts per million (ppm) over an 8 hour period 
 
What is the third leading cause of fires in buildings under 
construction ? - correct answer temporary heating 
 
What is direct heat flow through matter? - correc...
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NFI Exam Review Questions And Complete Answers Graded A+ 2024.
- Exam (elaborations) • 26 pages • 2024
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Combustion Requirements (3) - Answer Air, Fuel, Heat 
 
Complete Combustion Produces (4) - Answer Water vapor, carbon dioxide, heat, and non combustible ashes 
 
incomplete combustion produces (3) - Answer carbon monoxide, hydrocarbons, and other gases 
 
rate at which fuel burns is controlled by - Answer the amount of available air 
 
air to fuel ratio is a - Answer critical factor in obtaining optimum fuel combustion 
 
BTU - Answer British Thermal Unit, The amount of energy needed...
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IFSTA Chapter 16 & 17 Exam | Questions and Verified Answers| 100% Correct
- Exam (elaborations) • 31 pages • 2023
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IFSTA Chapter 16 & 17 Exam | Questions and Verified Answers| 100% Correct 
 
Q: How can HVAC systems affect tactical ventilation? 
Select one: 
a. Cool the air in the fire room to weaken the fire's intensity 
b. Help extinguish the fire by changing the pressure in the structure 
c. Provide fresh air to ventilation crews 
d. Move products of combustion to unaffected areas 
 
 
Answer: 
Move products of combustion to unaffected areas 
 
 
 
Q: Why are buildings under construction more susceptible...
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3rd class stationary steam engineer license prep questions with complete solutions
- Exam (elaborations) • 33 pages • 2024
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_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi correct answer: 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine a boiler is produci...
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BOMI - Air Handling, Water Treatment & Plumbing Systems Questions And Answers Graded A+
- Exam (elaborations) • 52 pages • 2024
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1 - Absolute pressure is equal to standard sea-level plus: - Gauge pressure 
1 - All of the following are types of scale except: - Silicone 
Types of scale include: 
- Silicate 
- magnesium carbonate 
- Calcium Carbonate 
1 - Complaints in the winter that it is too cold in a building can be offset by: - Raising the humidity 
and the temperature 
1 - Copper tubing is standardized on the basis of use into standard - Wall thickness schedules 
1 - Define absolute pressure - The total pressure that i...
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fire investigator final Exam With Correct Answers
- Exam (elaborations) • 7 pages • 2023
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The term "scientific method of fire investigation" means: -Answer use scientific logic. 
 
________ is the most critical component of ordinary fires, because it is essential for combustion. -Answer Oxygen 
 
To understand chemical combinations, it should be understood that every atom consists of a central core of subatomic particles called ________ and ________. -Answer protons; neutrons 
 
An example of an element is: -Answer All of these. 
 
The chemistry of carbon-containing compounds i...
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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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CSIA C-DET Latest 2024 Already Passed
- Exam (elaborations) • 9 pages • 2024
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CSIA C-DET Latest 2024 Already Passed 
 
Appliance Eqipment, usually built in standardized sizes or types, installed or connected as a 
unit 
 
Approved Acceptable to the authority having jurisdiction. 
 
American society for testing materials ASTM 
 
Authority having Jurisdiction The organization, office or individual responsible for 
approving equipment, installations or procedures 
 
Baffle Object placed in an appliance to change the direction, extend the path, or slow the 
flow of air, air-f...
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Oil Burner License Exam 2023 Questions and Answers
- Exam (elaborations) • 18 pages • 2023
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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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