safety Quiz - Know About Fire Extinguishers

The Oil Pollution Act of 1990 was indeed passed after the Exxon Valdez spill. It was enacted to enhance the prevention and response to oil spills by improving the regulation and oversight of transportation and storage of substances like crude oil. The act aimed to improve navigation and control measures and increase the availability of equipment to respond to spills promptly. Therefore, the statement is true.

The Fire Tetrahedron consists of heat, oxygen, fuel, and a chemical chain reaction. A chemical chain reaction is necessary for a fire to sustain and spread. It involves a series of chemical reactions that release heat and produce flammable gases, which further contribute to the fire. Without a chemical chain reaction, the fire cannot continue to burn.

The given statement is false. The most common type of fire extinguisher used in the workplace is not a class D fire extinguisher. Class D fire extinguishers are specifically designed for fires involving combustible metals, such as magnesium, titanium, or lithium. In most workplaces, the most common type of fire extinguisher used is a class ABC fire extinguisher, which is suitable for fires involving ordinary combustible materials (Class A), flammable liquids (Class B), and electrical fires (Class C).

Ionizing radiation can temporarily affect hair because it damages the hair follicles, leading to hair loss. However, the effects are usually not permanent, and hair can grow back once the radiation exposure is stopped or reduced.

The minimum distance combustible and flammable material is allowed within a Hot Work area is 35 feet. This distance is necessary to ensure safety and prevent the risk of fire or explosion. Keeping a significant distance between the hot work area and combustible materials helps to minimize the potential for ignition and the spread of fire.