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  3. Chemistry; Chem Sci/Eng

to fail on signal

English translation: to close in response to a signal

20:00 Aug 18, 2007
English language (monolingual) [PRO]
Tech/Engineering - Chemistry; Chem Sci/Eng
English term or phrase: to fail on signal
Process pressure regulates valve position. A fail closed emergency shut down valve isolates the vaporizer from process and can be instrumented to fail on signal from a variety of sources. Shut-off logic is process dependent.
Please help. Thanks.
Dr. Chun Biao Li
United States
Local time: 08:36
Selected answer:to close in response to a signal
Explanation:
The valve is described as 'fail closed', which means it is designed to close in the event of a fault condition. According to the text, it can also be connected to other sensors ('instrumented') to fail (close) in response to fault conditions detected by other sensors ('fail on signal from a variety of sources').

This is perhaps not worded in the clearest possible manner -- it's engineering jargon.
Selected response from:

Ken Cox
Local time: 14:36
Grading comment
Thank you.
4 KudoZ points were awarded for this answer



SUMMARY OF ALL EXPLANATIONS PROVIDED
4 +6to close in response to a signal
Ken Cox


  

Answers


1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +6
to close in response to a signal


Explanation:
The valve is described as 'fail closed', which means it is designed to close in the event of a fault condition. According to the text, it can also be connected to other sensors ('instrumented') to fail (close) in response to fault conditions detected by other sensors ('fail on signal from a variety of sources').

This is perhaps not worded in the clearest possible manner -- it's engineering jargon.

Ken Cox
Local time: 14:36
Native speaker of: Native in EnglishEnglish
PRO pts in category: 28
Grading comment
Thank you.

Peer comments on this answer (and responses from the answerer)
agree  Mark Nathan
9 mins
agree  Lia Fail (X)
27 mins
agree  R. Alex Jenkins
2 hrs
agree  ysun
1 day 8 hrs
agree  Jörgen Slet
1 day 15 hrs
agree  Alfa Trans (X)
2 days 19 hrs
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