how is hazardous and non hazardous area classified?
Answers were Sorted based on User's Feedback
Answer / s
Based on the presence of flammable material
like hydrogen,acytelene,benzene.
If one or more flammable materials present ,it is hazardous
area.otherwise ,it is non-hazardous area.
| Is This Answer Correct ? | 16 Yes | 3 No |
Answer / nvr
Hazardous Area Classified based on following specified
criteria.
1) Characteristics of material ( Like Toxic, flammable).
2) presence of Material surrounding the atm.
3) Risk Rating.
| Is This Answer Correct ? | 1 Yes | 0 No |
What is the use of control cable?
Can anybody tell me the exact explanation for Functional calibration?When it should be done on process or on lab? Advanced Thanks
What is basic of instrumentation
what is the Analog signal and what is the Digital signal
one rtd sensor which is connected at middle of distillation column where actual temp. is 100deg but when we tight this sensor at thermowell end it goes down to 90 deg & when remove from the thermowell(but sensor end dipped in well) showing actual reading, what is reason?
as an instrumentation engineer which are the things we have to know / or we must have idea about that....
a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error
As you are fresher in Instrumentation & control engineer.Then why should I select you?
What is zener diode? What is voltage regulator?
How digital input and digital output 's are working in dcs
Explain about relays.. Can we give both AC and DC to the same relay... How it is energising.. Explain its working..
How does your previous experience relate to the job you are applying for ?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)