In E&I diagram what is the meaning of rectangular box and circular box

Question Posted / udi from uttam galva

3 Answers
9278 Views
L&T, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

In E&I diagram what is the meaning of rectangular box and circular box..

Answer / nilesh

Normally there is a P&I( Process and Instrumentation)
diagram not E&I diagram.In P&ID circle symbole related to
field mounted instrument while Square box with circle
inside is related to function in DCS.There is number of
other symbole in each catagory.

Is This Answer Correct ?

9 Yes

0 No

In E&I diagram what is the meaning of rectangular box and circular box..

Answer / ganesh prajapati

In P&ID, ESD signal is represented by a triangle with ESD
mentioned inside a triangle.

Is This Answer Correct ?

1 Yes

0 No

In E&I diagram what is the meaning of rectangular box and circular box..

Answer / d das

ok mr. nilesh. but which one is ESD signal how should we
know? in a P&ID drawing.

Is This Answer Correct ?

1 Yes

1 No

Post New Answer

More Instrumentation Interview Questions

What is intrinsically safe system?

0 Answers

hi vishok this is noor plz tell me what type problems will occured i use T/C in the place of RTD in (FEED WATER TANK),plz send ur e-mail address to my ID (mail2noor.hyd@gmail.com)

6 Answers

types of cable..? Use of every types of cable..?

0 Answers Hindustan Zinc,

what is axial shift n what is differential expansion in turbine? how many sensor probes r mounted for this n how it works?

2 Answers Apple,

1)What is the suitable MOC for flow meters working at temperature between 200 - 250 cen. 2)In which application the mass flow meters are not advisable 3)Is it advisable to use radiation type or radar type instrument for non contact application

1 Answers

what are the different types of communication cables used in automation and what are the difference in the cables

1 Answers KN,

how to draw a flowchart for swapping two numbers using bit wise operators?

1 Answers

how to replace the smart transmitter software

1 Answers L&T,

Hi i m B.E. In elect. & comm. I m workin in bio mass plant from 6 mnths as inst. Engg. but now i m in dept. Of operation as shift engg...which is best operation or inst. 4 me? M confusd..plz help and reply me..

2 Answers

purpose of absolute ppressure transmitter applcation?

1 Answers

sir ,iam in dem urgent need of HPCL Paper of Instrumentation Branch plz send me at your earliest convenience at ujjwal_sharma1983@yahoo.com

0 Answers ONGC,

WHAT IS INSTRUMENTATION?

17 Answers ITC Infotech,

For more Instrumentation Interview Questions Click Here