Combustion Study guides, Class notes & Summaries

S-290 Intermediate Wildland Fire Behavior Questions and Answers Rated A+ 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 ...

AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *JUN* IB/M/Jun23/E6 7404/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 Section B TOTAL Tuesday 23 May 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instruction...

Chapter Test 4 (IFSTA 7th Edition) Fires involve a heat-producing chemical reaction between fuel and: (117) [4.3.11] A. a catalyst. B. an oxidizer. C. free radicals. D. a reducing agent. - ANSWER B. an oxidizer When a substance changes from one type of matter into another, such as two or more substances combining to form compounds, the substance undergoes a: (118) [4.3.11] A. dissolutio...

PAX Science NLN Exam 2023/2024 ACTUAL EXAM REVISION 400 QUESTIONS WITH ANSWERS A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person's breath contains A.) carbon dioxide. B.) hydrogen. C.) oxygen. D.) nitrogen. ANSWER ~: carbon dioxide. A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which of these measurements show the normal BP values for a resting adult patient? A.) 125/95 ...

The following are types of what? LPG, CNG, piped natural gas or solid fuel (coke). - Answer- Portable fueled salamanders/space heaters National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL) for carbon monoxide - Answer- 35 parts per million (ppm) over an 8 hour period What is the third leading cause of fires in buildings under construction ? - Answer- temporary heating What is direct heat flow through matter? - Answer- CONDUCTION What is the ...

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...

What must you do if you notice code violations in a homeowners house? - Answer Notify them and recommend ways to address them What must be done when performing an annual tune-up on a heating system? - Answer A combustion efficiency test and a copy must be posted on site Whenever a furnace, direct fired hot water heater, or boiler is installed the total installation must be brought into compliance with what requirements BEFORE appliance can be fired? - Answer NFPA 31 When an eme...

What is the purpose of the Texas Insurance Code Chapter 6002 - Fire Detection and Alarm Device Installation, often referred to as the 'Fire Alarm Rules'? Answer - A. To regulate the planning, certifying, leasing, selling, servicing, installing, monitoring and maintenance of fire detection and fire alarm devices and systems. B. To prohibit the use of fire detection and alarm devices not labeled or listed. What does NFPA stand for and who are they? Answer - National Fire Protection Associat...

S-290 Final Exam 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: Ig...

S-190 Questions and Answers Already Passed The precise location where a competent ignition source came into contact with the material first ignited and sustained combustion occurred. Point of origin. The side of the fire having the fastest rate of spread Head of a fire The part of a fire's perimeter that is roughly parallel to the main direction of spread Flank of a fire That portion of a fire spreading directly into the wind or down slope. That portion of a fire edge opposite the head Slo...