answered • expert verified. A person holds a portable fire extinguisher that ejects 1.0kg of water per second horizontally at a speed of 6.0 m/s. What newtons must the person exert on the extinguisher in order to prevent it from accelerating? (A) 0N. (B) 6N. (C) I0N. (D) 18N. (E) 36N.
Water and Foam Fire Extinguishers. Water and foam fire extinguishers extinguish the fire by taking away the heat element of the fire triangle. Foam agents also separate the oxygen element from the other elements. Water extinguishers are for Class A fires only; they should not be used on Class B or C fires.
Portable Fire Extinguisher Types and Maintenance
Unless employers have communicated differently, the assumption is that any employee can pick up an extinguisher in their area to put out a fire. 29 CFR 1910.157(g)(1) states, “Where the employer has provided portable fire extinguishers for employee use in the workplace, the employer shall also provide an educational program to familiarize employees with the general …
A small portable fire extinguisher can come in handy while escaping from fires. You can use it to clear the path ahead and reach an exit. Line up all the persons and take fire extinguishers along with you while escaping. Two persons can spray the agent on the sides and help others escape while simultaneously moving forward.
People Also Ask a person holds a portable fire extinguisher
How to choose the right portable fire extinguisher?
Otherwise, it is best to steer clear of the fire and reach a safety point. There are many types of portable fire extinguishers. They are classified according to the fire they can douse and identified as per the labels marked. For example, cooking oil-related fire cannot be put off by a fire extinguisher meant for chemical fires.
What class of fire extinguisher is a 1A?
Smaller sized handheld extinguishers are not large enough to obtain a 1A rating and may carry only a Class B and C rating. Dry chemical fire extinguishers extinguish the fire primarily by interrupting the chemical reaction of the fire triangle.
What type of fire extinguisher is used to extinguish liquid fire?
Air-pressurized water extinguishers extinguish fire by cooling the surface of the fuel to remove the “heat” element of the fire triangle. Never use water to extinguish flammable liquid or electrical fires. CO 2 extinguishers are filled with CO 2, a non-flammable gas under pressure.
What is the NFPA standard for portable fire extinguishers (NFPA 10)?
Due to the higher heating rates of vegetable oils in commercial cooking appliances, the NFPA Standard for Portable Fire Extinguishers (NFPA 10) includes a Class K extinguisher.
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Weaponizing the Fire Extinguisher Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher