What is fire extinguisher rating 2A?
Fire Extinguisher Size Ratings The numbers indicate the size rating of each extinguishing agent. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. 4A is equivalent to 5 gallons of water. The Class B size rating indicates the square footage the extinguisher can cover.
What is the significance of the C in the fire extinguisher rating of 2 A 10 B C?
The letter “C” indicates only that the fire extinguisher uses an agent that doesn’t conduct electricity. Water-based and some foam extinguishers can’t fight Class A or Class B fires involving electrical equipment (thus, no “C” on the label).
What is the advantage of using an ABC type of fire extinguisher quizlet?
The base of the flames. What is the advantage of using an ABC type of fire extinguisher? It can be used on all types of fires except metals.
What is a danger to consider when attacking a Class C fire?
Class C fires are fires involving gases. This could be natural gas, LPG or other types of gases forming a flammable or explosive atmosphere. Work with gas is dangerous, and increases fire risk. Keep stored gases in sealed containers in a safe storage area, and ensure that gas work is carried out by competent persons.
What is the principal purpose of a rise in body temperature?
What is the principal purpose of a rise in body temperature? higher temperature kills microorganisms.
Which material is a Class B fuel quizlet?
Class B: Flammable liquids and gases such as gasoline, oils, paint, lacquer, and tar.
Which material is a Class B fuel?
The Class B fire is defined as one that uses a flammable liquid or gas as its fuel base. Common liquid based fuel sources include petroleum based oils and paints, kerosene, and gasoline. Flammable gases such as butane or propane are also common fuel sources in Class B fires.
What is the most effective extinguishment of Class B fires quizlet?
Carbon dioxide can be used on Class B & C fires. extinguish the fire primarily by interrupting the chemical reaction of the fire triangle. most widely used type of fire extinguisher is the multipurpose dry chemical that is effective on Class A, B and C fires.
How can you tell the difference between Class B and Fire?
Class B fires involve flammable liquids like oil, alcohol, or gasoline. According to the US Fire Administration, Class B fires involve ignitable liquids or gases like petroleum grease, alcohol, paint, propane, or gasoline. But, this classification typically does not include fires involving cooking oils or grease.