Autoignition temperature - Study guides, Class notes & Summaries

HCCI and PPC Test Questions with Correct Answers Comparison with conventional diesel - Answer-Luminous yellow flame in conventional mode (sootradiation), Almost blue flame in MK mode (more premixed) load limit for Nissan MK - Answer-Fuel injection should be finished before autoignition, positive ignition dwell in Nissan MK, there is an Extended ignition delay through - Answer-large amounts of cooled EGR shorter injection through - Answer-Higher injection pressure-Injector with high fl...

CFEI Definitions (Definitions from NFPA 921 and NFPA 1033) 2022 Absolute Temperature. - Answer ️️ -A temperature measured in Kelvins (K) or Rankines (R). Accelerant. - Answer ️️ -A fuel or oxidizer, often an ignitible liquid, intentionally used to initiate a fire or increase the rate of growth or spread of fire. Accident. - Answer ️️ -An unplanned event that interrupts an activity and sometimes causes injury or damage or a chance occurrence arising from unknown causes; an unexp...

Fire Investigator: Principles and Practice to NFPA 921 and 1033, Fourth Edition-Questions and Verified Answers/Latest 2023/2024 Fire Investigator: Principles and Practice to NFPA 921 and 1033, Fourth EditionQuestions and Verified Answers/Latest 2023/2024 Accelerant Any fuel or oxidizer, often an ignitable liquid, used to initiate a fire or increase the rate of growth or speed the spread of fire. Accidental Fires Fires for which the proven cause does not involve an intentional human a...

Fire Behavior IFSTA Ch 5 Exam Questions and Answers 100% Correct A chemic process of oxidation that occurs at a rate fast enough to produce heat and usually light in the form of either a glow or flame - Answer- Combustion A rapid oxidation process, which is a chemical reaction resulting in the evolution of light and heat in varying intensities - Answer- Fire A form of energy characterized by vibration of molecules and capable of initiating and supporting chemical changes and changes of st...

NAFI CFEI OFFICIAL Exam Questions With Answers Latest Update 2024 (GRADED A+) A standard that is an extensive compilation of provisions covering broad subject matter or that is suitable for adoption into law independently of other codes and standards. GUIDE - Answer A document that is advisory or informative in nature and that contains only non mandatory provision. This may contain mandatory statements such as when it can be used, but the document as a whole is not suitable for adoption in...

Fire involves a heat producing chemical reaction between fuel and: - correct answer -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: - correct answer -Chemical reaction Which statement about energy and combustion is accurate? - correct answer -A fuel's potential energy releases during combustion and converts to kinetic energy Which element of the fire tetrahedron is include...

What does natural gas primarily consist of? - ANSWERSMethane Before natural gas can be used as a fuel it must undergo extensive processing to remove almost all materials other than what? - ANSWERSMethane The methane content can range from what percentages? - ANSWERS87% to 96% Processed natural gas is _________ and ________? - ANSWERSTasteless and odorless Before gas is distributed to end-users, it is odorized by adding small amounts of what? - ANSWERSOdorants What do the small odo...

Standard - A document, the main text of which contains only mandatory provisions using the word "shall" to indicate requirements and that is in the form generally suitable for mandatory reference by another standard or code or for adoption into law. Nonmandatory provisions shall be located in an appendix or annex, footnote, or fine print note and are not to be considered a part of the requirments. Guide - A document that is advisory or informative in nature and that contains only nonm...

NAFI CFEI Questions and Answers 1 MULTIPLE CHOICE OPTION The basic methodology of the fire investigation should rely on the use of a______________________and attention to all relevant details a systematic a systematic approach c . methodology approach d . g b . approximation approacheneral approach - ANSWER - a . systematic approach Absolute Temperature Absolute A temperature measured in Kelvins ( K ) or Rankines ( R ) . Accelerant A fuel or oxidizer , often an ignitible liquid , ...

What does natural gas primarily consist of? - ANSWERSMethane Before natural gas can be used as a fuel it must undergo extensive processing to remove almost all materials other than what? - ANSWERSMethane The methane content can range from what percentages? - ANSWERS87% to 96% Processed natural gas is _________ and ________? - ANSWERSTasteless and odorless Before gas is distributed to end-users, it is odorized by adding small amounts of what? - ANSWERSOdorants What do the small odo...