Firefighter

Which of the following liquids has the highest explosive range? A. Gasoline B. Ethanol C. Acetone D. Kerosene B Which of the following liquids had the lowest vapor density? A. Gasoline B. Acetone C. Kerosene D. Ethanol D Which of the following liquids has the highest specific gravity? A. Gasoline B. Acetone C. Kerosene D. Ethanol C Which of the following descriptions is correct? A. Class A Fires - Electrical B. Class B Fires - Flammable liquids, gases C. Class C ...

Explosive range is also known as... Flammable range or flammable limit Which element helps the "burning" process in flammable vapors? oxygen If there is no oxygen or an improper balance of oxygen, what will happen to the falmmable vapors? the vapors will not ignite or burn explosive range definition is... a mixture of flammable vapors and air, expressed as a percent, above or below which no ignition can occur what does "too lean" refer to? If the percent mixture is l...

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PRACTICE EXAM FIREFIGHTER EXAM GRADED A LATEST 2023 Which of the following was not suggested for personnel protection with regard to dealing with the chemical in question? A. Keep upwind of the chemical. B. Wear self-contained breathing apparatus. C. Avoid bodily contact with the chemical. D. Any chemical that may inadvertently contact the body should be washed off with large amounts of alcohol. - CORRECT ANSWWER D. Any chemical that may inadvertently contact the body should be ...

Firefighter 1 Final Test, Firefighter 1, Fire 1 TEST PREP 500 Q/A When rescuing an unconscious child or small adult from a window, how many rescuers enter the window to assist the victim? A. 3 B. 1 C. 0 D. 2 - CORRECT ANSWER D. 2 When cutting through a roof, a firefighter should avoid: A. removing the built-up material prior to cutting B. cutting through joists, rafters, or trusses C. making one large opening D. using a power saw - ...

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