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IOCL Instrumentation Interview Questions
Questions Answers Views Company eMail

HOW MANY METHODS OF TEMPERATURE MEASUREMENT ? HOW MANY MEASURING DEVICES / TRANSDUCERS ?

6 13023

can we replace a pressure transmitter of range 0 to 25 Kg/cm2 by a Pressure transmitter of range 0 to 10 Kg/cm2 ?.. Will it affect 4 to 20 mA output signal which we will feed to the PLC.

9 13703

Explain about 4 wire instrument concept & tell about its wiring fron sensor in Field to PLC panel.Explain with an example?

3 13067

Explain about relays.. Can we give both AC and DC to the same relay... How it is energising.. Explain its working..

7 14454

Where & Why we are using SURGE PROTECTION ?

4 9872

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

2611

in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

3201

WHAT IS SELF CLEAN ELCTRODE IN MAGNETIC FLOWMETER?? WHAT DO YOU MEAN BY THIS TERM??

2 9448

how to set calibration range in a DP transmitter to measure level for a closed tank and for an open tank,and also please explain me how to set calibration range for a DP flow transmitter in a line ?

1 9449

in current transmitter why we use 4-20ma ???

2 5693

Yokogawa mass flow meter shows negative reading...what r the main causes for this problem?...

3 10102

What is safety barrier and how it is work

2 4962

difference between repeatability and reproductability

1 4427

what is stability

2 4946

difference between span and range

3 17039

Post New IOCL Instrumentation Interview Questions


IOCL Instrumentation Interview Questions


Un-Answered Questions

Is array passed by reference in c#?

973


Cite an example from life to explain the aesthetic value of Mathematics

1082


How do we change file access permissions?

1144


What is echocardiography?

933


What is business purpose of equipment bom?

994


Tell me how many black holes are there?

91


In auto-generated code of an android app, what is r class?

932


What are the security features that are being provided to a person in the stock market?

1175


How security is concerned with Reportnet? Explain its implementing steps.

2052


Can you run windows server on a laptop?

398


In an example of a Bank Teller requesting that her computer program should include an addition that shows the full Customer Profile on her main screen, what would a Waterfall vs. Agile approach include and/or look like for such a request?

1013


Explain interfaces?

882


What is the importance of such deals?

1


Why singleton class is sealed in c#?

958


State the number and type of registers in the 8086?

919