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15 Cards in this Set
- Front
- Back
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why cant all fire extinguishers be used to fight all fires?
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there are different types of fires
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when can a tool be hazardous?
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if the tool is damaged or wear
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why should electrical equipment be properly grounded?
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to prevent shock or fire
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where should fastener equipment not be used?
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into brittle or very hard material
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what precaution should be taken when moving a piece of air-conditioning and heating equipment?
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use knees not your back
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explain the precautions that should be taken when working more than 10 ft. above floor level when using a scaffold.
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wheel's should be locked
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identify the fuel used for heating that is heavier than air and explain why it poses a hazard.
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R-123 stays in the lungs,then decomposes into hydrochloric and hydrofluoric acid.
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explain how it is possible for a refrigeration compressor to give off toxic gases.
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it can leak if exposed to excessive heat or in a compressor burn out
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what type of air should never be used to ventilate an area?
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compressed air
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when is it recommened to use a respirator and why?
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when handling hazardous materials
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which organization sets standards for eye protection on the job?
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ANSI
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should employees report accidents to their employer?
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yes
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which federal legislative act affects the heating and air-conditioning trade?
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OSHA
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explain what precautions should be taken when working in a confined space.
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the buddy system should be employed so constant communication can be maintained at all times
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what elements constitute a fire?
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*fuel *oxygen *heat *chain reaction
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