Halocarbon - Study guides, Class notes & Summaries

ozone construction exists as 3 basic forms - Answer- o - oxygen atom o2 - oxygen molecule o3 - ozone molecule - toxic, unstable gas, protects us from UV sunlight sunlight strikes o2 molecules and splits them, the floating o atoms will "float" and come into contact with o2 to form - Answer- o3- ozone molecule the stratosphere is approx. how far away above earths surface - Answer- 15 to 50 km normally there is a balance between the ___________ and ___________ of o3 - Answer- destructi...

W96/S96 FDNY Portable fire extinguisher sales Verified solution 100% COF Holders selling, ;easing, and/or servicing PFE's COF can only get one if they are an employee of a firm with a company certificate S96 can do sales only (people who work for sales company must hav this) W96 can do sales, servicing and maintenance (COF holders who work for servicing companies must have this) The 2 company certifications which the FDNY issues to private companies? 1) sales only 2) full ser...

NCCER Level 1 Module_7 (Copper Tubing and Fittings) Annealed Correct Ans - Metal that has been heat treated to soften it, making it formable. Hard drawn copper tubing is annealed to make it soft and formable. Brazing Correct Ans - A heat bonding method of joining metals using another alloy with a melting point lower than the metals being joined. Brazing uses filler metals that have a melting point above 842* F. Conductivity Correct Ans - The ab...

©BRIGHTSTARS EXAM SOLUTIONS 10/21/2024 9:24 PM HVAC Universal Certification Exam Study Guide. Azeotrope - answera blend of 2 or more components whose equilibrium vapor phase and liquid phase compositions are the same given pressure. Halocarbon - answera holgenated hydrocarbon containing one or more of the 3 halogens: fluorine, chlorine, and bromine. CFCs consist of __, __, and __. - answerChlorine, fluorine, and carbon CFCs are chemically very stable because they contain no __. - answe...

Subcooled refrigerant can only be what - ANSWERS,Liquid Superheated refrigerant can only be ? - ANSWERS,Vapor Saturated refrigerant can be what? - ANSWERS,A liquid, vapor or a combination of the two What do you multiply the mass flow rate (lbs./min) by to determine the vapor flow rate through the compressor - ANSWERS,Specific volume (cubic ft./lbs) Three factors to consider when choosing a refrigerant are - ANSWERS,Cost, available, and safety One positive characteristic of halocarbon ...

NFPA 10 Exam 34 Questions with Verified Answers ANSI - CORRECT ANSWER American National Standards Institute Antifreeze Charge - CORRECT ANSWER Loaded stream charge Carbon Dioxide - CORRECT ANSWER A colorless, odorless, electrically non-conductive inert has that is a suitable medium for extinguishing class B and class C fires Dry Chemical - CORRECT ANSWER A powder composed of very small particles, usually sodium bicarbonate, potassium bicarbonate or ammonium phosphate-based with added...

AVIXA CTS-D: Structural and Mechanical Considerations Exam Study Guide with Complete Solutions EMP - Energy Management Plan - Answer️️ -Identifies Energy Reduction Points EMM - Energy Management Manager - Answer️️ -A role that provides leadership and management of the system Wiring Diagram in terms of Energy management - Answer️️ -illustrates how power to AV components is controlled and monitored and how the energy management system is connected to the AV system Visual Displ...

ANSI/ UL 711, CAN/ ULC-S508 Fire Test Standard: Standard for rating and fire testing fire extinguishers ANSI/ UL 154, CAN/ULC-S508 Carbon Dioxide Types: Standard for Carbon Dioxide fire extinguishers ANSI/ UL 299/ CAN/ ULC-S504 Dry Chemical Types: Standard for Dry Chemical Fire Extinguishers ANSI/ UL 626, CAN/ ULC-S507 Water Types: Standard for Water Fire Extinguishers CAN/ULC-S512 Halon Types: Standard for halogenated agent hand and wheeled fire extinguishers ...

NFPA 10 Standard for Portable Fire Extinguishers 60 Questions with Verified Answers Approved - CORRECT ANSWER Acceptable to the authority having jurisdiction Authority Having Jurisdiction (AHJ) - CORRECT ANSWER an organization , Office, or individual responsible for enforcing the requirement of the code or standard labeled - CORRECT ANSWER equipment or materials to which has been attached a label symbol or other identifying Mark open organization that is acceptable to the authority havi...

Texas Ext Type B TFM02,NFPA 10-Class B-Fire Ext.Vocab., NFPA 10 og Exam 264 Questions with Verified Answers A three dimensional fire often involves static flammable liquid. true or false - CORRECT ANSWER false. 3D firess unvolve flammable liquid in motion as well as both horizontal and vertical surfaces. Class A fire extinguisher - CORRECT ANSWER are ok for wood, paper, some plastics and textiles. They offer the coating effects of dry chemicals. Dry chemical stored pressure fire extingu...