What is difference between loop and zone ?

Answers were Sorted based on User's Feedback



What is difference between loop and zone ?..

Answer / veerabharathi m

zone is the hazardous area

loop is the connection of the intrument from field to whatever system it is connected

loop may be a close loop or open loop

loop means that teh full circuit from sensing element to control valve through dcs, this loop

instruments is located n particular zone, zone is classified harmful things which mix with air and other chemical o2, n2, h2, etc

Is This Answer Correct ?    11 Yes 2 No

What is difference between loop and zone ?..

Answer / kin

i am asking about fire alarm system.

Is This Answer Correct ?    6 Yes 2 No

What is difference between loop and zone ?..

Answer / dsa

Zones are based on hazardous area classifications, zones r catergorized based on explosive gases which could be present in the area. 
Loop are basically open or closed. Basically in instrumentation a loop is defined from the starting point which is sensor to the end point I.e system. This irrelevant to whatever system u use. 
If your question isn't answered kindly elaborate or provide more details and not just ask general questions!

Is This Answer Correct ?    1 Yes 0 No

What is difference between loop and zone ?..

Answer / faiyaz

loop is communication between one or more smoke detector in single loop connected more then one smoke detector but zone is address of alarm according to the zone we can find which area is to be fire

Is This Answer Correct ?    1 Yes 0 No

What is difference between loop and zone ?..

Answer / pateljayur

DSA i am not asking about field zone classification i am just asking about fire alarm system for there loop and zone ..

ok ...

Is This Answer Correct ?    2 Yes 2 No

Post New Answer

More Instrumentation Interview Questions

What is surge in compressors? How to detect and control it?

3 Answers   Kharafi National,


which type of zones used for boiler? & why ?

0 Answers  


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?

3 Answers  


How to work & calculated output of the Derivative action in pid controller (Explain Derivative controller)

0 Answers  


What is SCR?

9 Answers  






What is DCS and PLC scanning time?

5 Answers  


Waht is surge in compressors and how to control it?

1 Answers   DEWA,


Hi buddies! my name is sachin and i am working as a electrical and instrumentation engineer in a paper plant. right now i am facing a problem and if someone could help me it will be an immense pleasure to me. i am using AC 800M to synchronise DCS500 drives on paper machine and rewinder.communication is on PROFIBUS and we are using NPBA-01 module to link profibus to DC drives.But these days two of these drives are showing a error named FIELDBUS COMM.TIMED OUT and the drives get tripped.I have changed the NPBA module and PROFIBUS cable.So if anyone can do please help me out with this problem.I'll be highly grateful.

0 Answers  


Determine the manipulated variable, controlled variable, and the measured variable given a description of various typical industrial processes.

6 Answers   Honeywell,


Please asked me How calculate DCS controller memory.

0 Answers   Yokogawa,


What is zener diode? What is voltage regulator?

0 Answers  


why we used for range in pnumatic 3-15 psi and current 4-20 ma?

11 Answers   Jindal,


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)