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

Instrumentation Interview Questions

Questions Answers Views Company eMail

typical loop drawing of a simple feedback control comprising of one transmitter and one control

1993

Reasons for using seal pots:

1 4772

Definition of reverse and acting controllers:

Monnet,

2319

Thermocouples work as follow:

Dashen Brewery, Tata Power,

1 3609

An RTD is a_________________________.it works as follows

2 5120

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

2110

two common seiling liquid used in seal pots are:

Thermax,

1 3923

The DCS stand for________________________. it is composed of the following major components: a:______________ b:______________ c:______________ d:______________

2 5433

The DCS has the following signal type:

3 6759

Reasons for using current as signal

1 4871

Functions of electropneumatic valve positioner:

4 7714

we re giviang 24v supply to transmitter and we getting output from tx?now my question is wht we call this complete proces?

2 4670

in i/o panel for digital ouput(do) how much power(in volts) we must give?

2 4777

what is working principle of presure and temperature guage?

4 34779

What is Fieldbus?

NSL,

3 8994

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Un-Answered Questions { Instrumentation }

send me HPCL paper

10299

Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

2306

How RAL(Rotary air lock)works in cement industry?

2499

Why trim span ? How?

1595

What are primary elements of measuring pressure?

1282

why Fahrenheit unit of moistur analyzer transmitter

2237

how to calculate control valve bonnet size?? or how to select its material?

2438

What is the use of control cable?

1153

How do you identify an orifice in the pipeline?

1258

In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?

2073

i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

2094

components of control circuit belongs to control valve

1658

What materials are used in thermo wells?

1168

hi! i want to know about mpse exam.

2291

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

1753

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