Question: do event tree analysis ETA example - Solvent bath An electrical equipment manufacturer uses trichloroethylene solvent for degreasing , the equipment. The equipment is immersed

do event tree analysis

ETA example - Solvent bath An electrical equipment manufacturer uses trichloroethylene solvent for degreasing , the equipment. The equipment is immersed in the solvent bath, whose temperature is controlled by a heater, equipped with an on/off temperature controller (TC). Should the temperature controller fail, an independent temperature alarm high-high (TAHH) initiates a heater trip. If the trip fails, the bath would overheat and generate toxic vapours. If ignited, a toxic smoke cloud could disperse to populated areas in the neighbourhood. (Source: Example 8-13, P321, PSRM handbook)

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