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.

Answer / ganesh prajapati

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

Answer / d das

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

installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,

0 Answers   BARC,

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GWR radar transmitter working principle?

2 Answers   Tata Steel Limited,

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In dcs contol valve parameters showing like this Gain=1 or 2 , ti=7 sec, td=20sec. But temp,pressure,level control valves we are using in which type parameter side using ti,td clearly tell me

1 Answers  

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Working principle capacitance type level transmitter

3 Answers  

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what is Instrument Schedule, and what it is mainly used for?

0 Answers  

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How a conductivity sensor & analyzer work at boiler, whats the principle & science is beyond this,How conductivity sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in conductivity analyzer

0 Answers  

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what do you mean by smart instruments?explain with example

4 Answers  

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can u please give the exact ckt explaination of AC Drive related to industries.

6 Answers  

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radial & axial vibration sensor output voltage is ac or dc volt?

8 Answers   Vedanta, Voltech,

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can we control operation of PLC from operator station?

3 Answers  

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a pressure transmitter with a range of 0 to 2500kpag has a specified accuracy of 0.5 % of span.It is to be calibrated using a comparison gauge to have an accuracy of 0.1% of span.The comparison gauge has a range of 0 to 3000kpag What is the accuracy ratio? is this ratio acceptable?

1 Answers  

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what is coriolis principle for mass flowmeter?

5 Answers   ABB,

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