Upper flammable limit - Study guides, Class notes & Summaries

What are the conditions needed for a fire to occur? - Answer-fuel (material that acts as a fuel) sources of ignition (chemical, biological, or physical) oxygen What are the components of the fire tetrahedron? - Answer-heat, fuel, oxygen, chain reaction How do you stop a fire? - Answer-Remove any of the components of the fire tetrahedron (i.e. remove fuel, oxygen, heat, or interrupt the chemical reaction) Oxygen - Answer--21% ambient air -robust flaming combustion down to 15-16% -surface ...

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. correct answers 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. dissolution. B. metamorphosis. C. chemical reaction. D. physiological change. correct answers C. chemical reaction Which statem...

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...

5. what type of charges can be brought against a FF who transmits personal messages over a designed fire department radio? A. None B. Local C.State D.Federal - answer-D. Federal 7. what building material is frequently replacing plywood and planking in newer construction? A. Finger Jointed timber B. Synthetic wood C.Laminated wood D. Oriented strand Board (OBS) - answer-Oriented Strand Board (OBS) 9. which style of roof involves rafters or trusses that run from the ridge line to...

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...

STS Test Prep Questions and Answers 100% Pass Where employee brings their own PEE, what is the responsibility of the employer? - Correct Answer ️️ -Assure the PPE's adequacy. (OSHA pg 127) What's the standard for eye protection? - Correct Answer ️️ -ANSI Z89.1-1969 (OSHA pg 127) How to ensure that a rope will hold a load? - Correct Answer ️️ -Checkt o see if the rated load capacity for the rope is being exceeded. Stairway handrails should be installed at ____ from the surfac...

Fire Inspector I Prep Test 1 Questions with Accurate Answers 2024. The first step in the enforcement procedure would usually be to: A. notify the responsible party of his/her appeal rights. B. determine whether the violation is significant enough in nature to pursue. C. send the business owner a letter stating the premises are in full compliance. D. notify the responsible party, in writing, of all violations found D Procedures in various jurisdictions may differ due to differences ...

TCFP Comprehensive Final Exam/Answered/A+ Rated To be able to locate information that applies to your duties, authority, and responsibility Why is it important to be able to locate information in departmental documents and standard or code materials? Which NFPA standard specifies the minimum requirements for department safety and health programs? NFPA 1500 What does the all-hazards approach mean in the fire service? provides a variety of services in the community Which of the follow...

The minimum concentration of a refrigerant that can propagate a flame through a consistent mixture of the refrigerant and air is known as the: Acute toxicity exposure limit (ATELL). Immediately dangerous to life or health concentration (IDLH). Lower flmmability limit (LFL). Upper explosive limit (UEL). - ANSWERLower flmmability limit (LFL). The first stage of the evacuation process which removes non-condensables from a system is called: degassing. dehydration. recovery. ...

A boiling liquid expanding vapor explosion (BLEVE) is caused by: - ️️a heated liquid or gas expanding. A chemical that burns or destroys living tissue is an example of: - ️️corrosivity. A chronic exposure to a hazardous material is: - ️️long-term or reoccurring. A container making noises from expansion or contraction may indicate that the container has been exposed to _____ energy. - ️️thermal A fuel that has moved beyond its upper flammable limit will: - ️️be too rich t...