Instrumentation Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Instrumentation Interview Questions

Questions Answers Views Company eMail

what is Pre- commissioning.

Saipem, Takreer,

5 7043

what is positive displacement meter.

Takreer,

1 3305

can you give some devices that measure directly the mass flow rate.

Takreer,

1 3536

I am a instrument technician. recently i attend interview and face one of question for DP transmitter ,the client asking about the calibration of DP transmitter ,am answer the calibration procedure, they will ask one more question. why open LP side in atmosphere? i did not answer that question. so please help me and explain the particular question. Dear firends waiting for your valuable replay

Qatar Petroleums, Samsung,

3 5605

how level can be measured in open tank with reference to pressure

Atul, INOX,

1 3331

What is the difference between PLC and DDC?

Emami,

2129

Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 2654

What is mean by analytical instrumentation?

1772

What is calibration?

Syscon,

6 7390

What are the different types of thermistors used in industries? How to the operation of typical thermistor?

1905

How do you troubleshoot accelerometers used in Vibration monitoring/tripping

Air Liquide,

1 3295

What is the difference between fiber optic cable & Ethernet cable

BEMCO, CCC, Pidilite,

2 5394

how to calibrate motorized operated valve?

Bilt, Jubilant, SRF,

1 11058

What is open loop checking and close loop checking

BARC, NTPC,

1 4656

Differentiate between PLC, SCADA and DCS systems

Mumias Sugar, SRF, Trimula Industries,

1 4348

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Un-Answered Questions { Instrumentation }

how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc

2031

Whatis the reset ofset and control system in instrumentation

2017

key exchanges in wpa,wpa2,tls

1877

What is the right procedure for adjusting the gap voltage of bently nevada vibration sensor?

15416

Describe the functions of the Operator Interface including the considerations related to alarming and display layout/configuration/layers.

2039

Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

2068

If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

2332

I need to know steps to Calibration Valve Guard......

1436

how to control pid

1874

How many types of sensor

1581

what is cold loop? difference between hot and cold loop?

2191

how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

1853

Which language of programing is popular? how can i learn it ?

2106

what is the difference between profibus and controlnet networking.

3166

what is the calibration procedure for transweigh make weigh feeder?

3967

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