how is hazardous and non hazardous area classified?

Answers were Sorted based on User's Feedback



how is hazardous and non hazardous area classified?..

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

how is hazardous and non hazardous area classified?..

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

Post New Answer

More Instrumentation Interview Questions

Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.

0 Answers  


Is it possible to drill additional gland hole in EExd or EExe JBs? What are the points to take care?

2 Answers  


what is exat meaning of compentation in RTD ? what diffrent between 2 wire,2 wire and 4 wire RTDs?

2 Answers   Atul, Vardhman,


What is maintenance planning?

3 Answers   Qatar Airlines,


I want to apply for the universities in US,but i got the GRE score of (650+300=950)TOEFL 69/120.Is this score sufficient for applying universities please i am married i need to go to US because my husband didn't get H1 yet.please send me suggestion

0 Answers  






in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?

1 Answers   Jindal, UltraTech,


if RTD damage in plant, how we know?

5 Answers   Reliance,


Conversions

0 Answers   CCIE, Nestle,


what is thermo coupler and how it works

2 Answers   Tisco,


How to calibrate DP tramitter in flow measurement application? consider my range of flow is 0 to 2000 kg/hr ? please give calculation of , How much pressure applied on low pressure side and high pressure side please give detail of calculation .... It so important for me please reply as soon as possible

1 Answers  


What is difference between flame retardant & flame resistance cable? Among which type of cable is used for ESD & Fire and Gas system application?

1 Answers  


what is principal of pressure transmitter?

5 Answers   Hindalco, SPB,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4452)
  • Electrical Engineering Interview Questions Electrical Engineering (16638)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)