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 diffirence between Earth and Neutral and What is the required normal voltage between earth and neutral

6 11275

Draw block diagram BOILER COMBUSTION loop & Explain

Bajaj Hindusthan, Exxaro,

1 5754

why we are using MARSHALLING PANEL? what is the role?

5 71101

what is the difference between servo valve & proportional valve

1 10253

i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

3173

How will u convert the mmh2o in mass or Volumetic flow rate in DP Flow Transmitter. Give me the Brief explain using the formula

Walchandnagar Industries,

1 16736

i have 80cm water tank.how can i use DPT as level mesurment.pls give specs for that..? We have air comp.from that moisture comeout to one tank.i want to mesure level of water in that tank and then after operat one sov to dicharge water after high level.

1 4691

what is the working principle of vortex flowmeter

Essar,

9 22536

Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..

1833

what is the meaning of potential free contact. difference between dry and wet contact?

GAIL,

6 95734

Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com

IGL, Punj Lloyd Ltd, Shapoorji Pallonji Group(SPCL),

2838

can you provide me full detail about instrumentation in ONGC??

BRML, ONGC,

2166

micromotion flow meter used for

Reliance,

3 8796

what is the meaning of reverse action and forward action of control valve...

Honeywell, Yokogawa,

9 34716

what is meaning of software redundency and hardware redundency?

Honeywell,

2 15488

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Un-Answered Questions { Instrumentation }

What happen if we install my pressure transmitter below the elevation of pipe in natural gas service?

1062

What is limitation of the ht.of the displacer of a level trol?

2395

Explain the use of hair spring in the pressure gauge.

1086

how to work static pressure sensore how to work dpt

1871

flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty

2301

Explain bernoulli’s theorem. State its application.

1181

plz send me general of ongc

1952

Exothermic reaction./ endothermic reaction

2034

what is cems analyzer explain with principle and drawing ?

2378

what is the current pay package for an instrumentation engineer having 2 years of experience in cryogenic technology???????

5029

plz tell me clearly about PID.."when v have to change I value,D value,GAIN??

2176

components of control circuit belongs to control valve

1657

Gas equation

1850

What is zener diode? What is voltage regulator?

1101

how to check earthing,what is minum ohms for proper earthing

1945

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