Answer Posted / aatif alvi

automation is the term used to control and monitor any
industrial system with a control loop.

And instrumentation is a raw term used for the instruments
that are used in any control loop, DCS.

1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC

2601

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what can of fault ofently come in vibration mesurement?

2147

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What is heating effect?

2357

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how to design orifice plate?what is the equation?

2054

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Explain the difference between plc and cnc?

1073

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in differential pressure transmitter,min&max pressure range for hp&lp

2008

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Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

1525

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how pressure transmitter work, what is its principal to measure and how its generate signal. for pressure transmitterinstallation which precautions must be taken ??

1750

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I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??

1406

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any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com

1960

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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,

2128

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hi! i want to know about mpse exam.

2291

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Why trim span ? How?

1603

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How an rtd work, and what volts/current goes to a rtd to measure the resistance?

1285

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What are the types of valves?

1152

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