1008792
| Questão | Responda |
| The NEC is updated every ___ years | Three |
| ___ manages United States participation in international standards activities. | ANSI |
| Fuel. ___, and oxygen are required to sustain a fire. | Heat |
| A(n) ___ is a rule made mandatory by a federal, state, or local government. | Regulation |
| ___ is the use of locks, chains, or other physical restraints to positively prevent the operation of specific equipment. | Lockouts |
| an open top space, such as a ditch, more then ___'in depth is a confined space. | 4 |
| Air normally contains ___% oxygen. | 21 |
| In any emergency, the proper authorities must me notified immediately by calling ___. | 911 |
| A(n) ___ is a substance that could cause injury to individual or damage to the environment. | Hazardous material |
| A ___hazard is the degree of susceptibility of materials to explode or release energy by themselves or by exposure to certain conditions or substances. | Reactivity |
| An air contaminant is an undesirable element in the air such as ___. | Dust, Gas, Fumes |
| A fume is a ___ from volatilized solids in cool air. | Vapor |
| A(n) ___ hazard is a bacterium, virus, fungus, or other microorganism that can cause acute and chronic infections by entering thee body directly or through breaks in skin. | Biological |
| ___ is emergency care or treatment given to an injured or ill individual before medical assistance is available | First Aid |
| T or F A standard is a collection of voluntary rules developed through consensus and related to a particular trade, industry, or enviroment | True |
| T or F A technical society is an organization that represents the producers of specific products. | False |
| T or F Class D fires involve certain combustibles metals. | True |
| T or F Gas contaminants in the air are typically measured in parts per million (PPM) | True |
| A(n) ___ hazard is a hazard caused by excessive levels of noise, vibration, illumination, temperature, or radiation | Physical |
| Personal ___ equipment is clothing and/or equipment worn by a worker to reduce the possibility of an injury. | Protective |
| A(n) ___ is a device worn over the ears to reduce the level of noise reaching the eardrum. | Earplug |
| ___ means inflammation of the liver | hepatitis |
| A material ___ sheet is a document containing hazard information about a certain chemical | Data |
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