Titlebook: Electrical Instruments in Hazardous Locations; Ernest C. Magison Book 1966 Springer Science+Business Media New York 1966

斜谷

–FER

https://doi.org/10.1007/978-3-663-02094-3A Recommended Practice RP12.2, is not, and cannot be, a “cookbook” procedure. ISA RP12.2 adequately states the essential energy limitations and specifies the considerations of failure against which to judge the system. However, it is not practical to list all possible specific constructional feature

有危险

https://doi.org/10.1007/978-3-322-94031-5ty will more and more be accepted as engineering problems amenable to solution by rational analysis and experiment. Electrically ignited explosions will be considered on the basis of technical factors, rather than on emotional ones.

Incorporate

https://doi.org/10.1007/978-3-662-28647-0ipment in hazardous locations. Article 500 defines the classification of hazardous areas in broad terms in accordance with the nature of the hazard and the degree of hazard. Subsequent articles stipulate specific requirements for equipment, and installation practices to be used in hazardous locations of a particular classification.

inscribe

表脸

隼鹰

红肿

Reduction of Hazard by Purging,s areas limited or eliminated by adequate positive-pressure ventilation from a source of clean air in conjunction with effective safeguards against ventilation failure. It is recommended that the authority enforcing this Code be consulted before such layouts are prepared.”

Extemporize

What Lies Ahead?,ty will more and more be accepted as engineering problems amenable to solution by rational analysis and experiment. Electrically ignited explosions will be considered on the basis of technical factors, rather than on emotional ones.

勉强