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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is the difference between HMI and SCADA?

2 7829

What are the disadvantages of Human-Machine Interface (HMI)? atleast 3.

1 19802

How to zero trim the level transmitter by using foundation fieldbus communicator.

Emerson,

2 12969

why we use only 4 to 20ma other than 0 to 16 ma

Invensys, Systech,

5 9545

I am new in work for 1 of our project we have some instrument in BOM including Pressure, Temp. and so on, I also noticed some objects like pressure switch process HOOK UP; which I don't know what does "HOOK UP" mean here.

3 6074

Describe a time when you anticipated potential problems and developed preventive measures.

Hotel Management,

2959

what is the difference betwwen the 2wire level transmitter and 4wire level transmitter??and their applications also??

2 7218

when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 2855

How it the difference between force balance system and dispalacement balance system?

2154

What is the difference between antisurge

1 4606

In vortex flow meter how can measure the frequency of vortex generated by vortex flow meter

Cadila,

4 10183

Hi buddies! i am facing a problem and if someone could help me it will be an immense pleasure to me. we have compect logix PLC 1769 2L AO module to Heat @ 52 to 56 Deg C .So if anyone can do please help me out with this problem.I'll be highly grateful.

Cadila,

1 3717

During the design and engineering of a process plant, a good designer should plan for ____________, ___________ and ____________ aspects of the plant

1 3797

Isometric drawings are generated during _________________ phase of a project

2129

Isometric drawings are generated during _________________ phase of a project

2131

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Un-Answered Questions { Instrumentation }

how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.

2540

how to convert cubic metre per hour to newton cubic metre per hour

2056

What is the Working principle of Dozing valve?

2262

What is the GK Value in Flowmeter?

3770

it is possible to check the fail safe condition in pressure transmitter. if possible how?

1460

What is feed factor and its Importance in cement industry? How we can solve feed factor?.

3648

what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

1802

Definition of reverse and acting controllers:

2378

what is droop in governer ,type of droop ,how it work

2207

detail of mass flow meter pricipal

2360

How to Calibrate Flammable gas detector in field

1277

hello sir/madam, I,Subramanian need 5yrs placement papers of officer trainee of Instrumentation technology.pls send to this mail id mani_nxtgen@yahoo.co.in please do the needful. with regards, subramanian.v

2277

Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?

2832

selection of the zener barrier for the hazardeous area zone 0

2313

Questions on flow meters,few questions on HART protocol,

2063

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