Instrumentation Interview Questions
Questions Answers Views Company eMail

What is instrumentation control?

688

Explain types of valves?

699

Why plc require in analog input 4-20amp & 0-10 volt?

653

What is the difference between mmwc and mmwg?

901

Explain the difference between mmwc and mmwg?

3858

Explain why use mmwc unit?

670

What are the types of valves?

649

Where is wet leg is used?

670

Explain the difference between differial pressure & delta pressure?

1 909

Define cryogenic?

766

Explain why plc require in analog input 4-20amp & 0-10 volt?

661

Explain the difference between plc and cnc?

599

Explain the key components of control loop?

601

WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?

587

how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

599


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Un-Answered Questions { Instrumentation }

we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.

1635


what is the input to be given in digital flow meter during the the calibration time?

1778


1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?

1722


how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line

1625


What is Positive Calibration and Negative Calibration?

1803






hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com

2143


Why mixer nd grinder Is example of constant torque load not variable torque load ???

1535


how to calculate signal cable sizing? and multipair cable sizing??explain in brief?

1941


Please asked me How calculate DCS controller memory.

2370


Explain the mechanism behind the turbine meter.

719


the output of the common trasmitter protocol in qatar gas are the following

1600


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1577


any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.

1993


Type of level transmitter commnly used in Procees area are the following. a.________________This type of level transmitter works as follows

1683


1)How many tpes of vibration probe and how many tpyes of vibration. 2)how we can calibrate a vibration probe with tk3 3)what is RMS value in vibration measuring application and how we calculate it.

1930