Firefighter 1 Questions and Answers Rated A+

Firefighter 1 Questions and Answers Rated A+ IDLH Correct Answer-Immediately dangerous to life and health STEL Correct Answer-Short term Exposure limit, What you can be exposed to without protection within an 8-hour work day/ 40 hour work week C Correct Answer-Ceiling (never exceed) LFL/LEL Correct Answer-Lower flammable/ explosive limit UFL/UEL Correct Answer-Upper flammable/explosive limit PPM Correct Answer-Parts Per Million PPB Correct Answer-Parts Per Billion BP Correct Answer-Boiling Point VD/MW Correct Answer-Vapor Density/ Molecular weight REl (NIOSH) Correct Answer-Recommended Exposure limit PEL (OSHA) Correct Answer-Permissible Exposure limit mmHg Correct Answer-Millimeters Of Mercury PSI Correct Answer-Pounds per square inch ATM Correct Answer-Atmosphere 14.7 PSI Correct Answer-Same as 760 mmHg, 1 ATM Air has a VD of 1 Correct Answer-VD less than 1 are lighter then air. VD greater then is heavier then air Water has a specific gravity (Sp Gr) of 1 Correct Answer-Products that have a SP Gr less then 1 will rise. Products that have a Sp Gr greater then 1 will sink Liquid products over 760 mmHg will turn to what? Correct Answer-Will turn to gas Gas is measured in? Correct Answer-ATM LEL/LFL- UEL/UFL is measured in? Correct Answer-Percentage % Vapor Pressure (VP) over 100 is? Correct Answer-start of the danger zone If the MW is less than 30 Correct Answer-The VP will be 1 Lower the BP Correct Answer-The lower of the VP of a product will be LEL=10% of what? Correct Answer-IDLH Carbon Monoxide (CO) Correct Answer-A toxic gas processed through incomplete combustion Carcinogen Correct Answer-A cancer-causing substance that is published in one of several list. Closed-circuit breathing apparatus Correct Answer-SCBA designed to recycle the users exhaled air. Removes carbon dioxide and generates fresh oxygen. Compressor Correct Answer-A device used for increasing the pressure and density of gas. Doff Correct Answer-To take off an item of clothing or equipment. Don Correct Answer-To put a item of clothing or equipment on. Dual-path pressure reducer Correct Answer-A feature that automatically provides a backup method for air to be supplied to the regulator of an SCBA if the primary passage malfunctions. End-of-service-time-indicator (EOSTI) Correct Answer-A warning device on a SCBA that alerts the user that the end of the breathing air is approaching Face piece Correct Answer-a component of the SCBA that fits over the face. Heads up display Correct Answer-A visual display of information and system conditions status that is visible to the wearer of the SCBA Hydrogen Cyanide Correct Answer-A toxic gas produced by the combustion of materials containing cyanide Hydrostatic testing Correct Answer-Pressure testing of the extinguisher to verify its strength against unwanted rupture. Incomplete Combustion Correct Answer-A burning process in which the fuel is not completely consumed, usually due to a limited supply of oxygen Kevlar Correct Answer-A strong synthetic material used in the construction of protective clothing and equipment Light-emitting diode (LED) Correct Answer-A electronic semiconductor that emits a single color light when activated National Institute for Occupational Safety and Health (NIOSH) Correct Answer-The U.S. federal agency responsible for research and development on occupational safety and health issues Nomex Correct Answer-A fire resistant synthetic material used in the construction of PPE Nose cups Correct Answer-An insert inside the face piece of an SCBA that fits over the users mouth and nose Occupational Safety and Health Administration (OSHA) Correct Answer-The U.S. federal agency that regulates worker safety and, in some cases, responder safety. Part of U.S. department of labor Open-circuit breathing apparatus Correct Answer-SCBA in which the exhaled air is released into the atmosphere and is not reused Oxygen deficiency Correct Answer-Any Atmosphere where oxygen is less than 19.5%