Answer / goutammishra

For sinking connection we are usinf -24vdc in plc

what is mean by live zero and dead zero

3 Answers  

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How to connect field devices to PLC and DCS using a FIELD BUS, DP,MOD BUS(please tell me any extra interfce or adopters need in this case if we use remote i/o s)

3 Answers  

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how to calculate the temp. of RTD&Thermocouple when we got some mV r Ohms?if anybody has d chart pls mail the chatrs to me...

1 Answers  

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why we use only 4-20 ma signal as AI and not 0-20 ma?

2 Answers   Honeywell, Oil and Gas Jobs,

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How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

0 Answers   Siemens,

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why we use 24v dc in instrument rahter than 230vac????

4 Answers  

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A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer

0 Answers  

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what is the difference between laminor flow and turbulant flow

2 Answers   Invensys,

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Which buffer solution is used for PH transmitter calibration?

3 Answers  

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suppose in dcs range of a flow transmitter is 10t/hr what is dp for 50% in 2500mmwc

6 Answers   Chevron,

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What are the logic behind 2x2 and 2x3 logic and more when ask in interviews

1 Answers   Reliance,

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Can any one tell me what type of question asked for instrumentation and control interview panel??? pls mail ramashankar.goel@gmail.com

0 Answers  

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