Instrumentation Interview Questions
Questions Answers Views Company eMail

Explain bernoulli’s theorem. State its application.

668

How to calculate mmwc values into tonnes?

761

Explain the working of an enraf level gauge.

648

Name different parts of a pressure gauge.

635

What are advantages and disadvantage of the ac supply load cell?

627

Explain ratio control system.

1 1342

Why ac supply load cell is used? Can we use the dc supply load cell?

585

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

623

What is motion balance principle?

688

What are different types of orifice plates? State their uses.

625

What is profibus?

636

Explain the working principle of lvdt?

683

Why is the orifice tab provided?

698

Which type of pressure can be measured by these elements?

623

Explain the burnout feature.

589


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Un-Answered Questions { Instrumentation }

How to find out the current of two motors having same power consumption but different RPM?

1530


How will you calibrate PID controller? explain with example.

1957


What is the diffrence between ff tx and non ff tx

2444


in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.

1565


Explain how thw analog to digital converter works with the circuit diagram

2170






how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???

1995


how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

1566


Whatis the reset ofset and control system in instrumentation

1572


what do u mean by compensation n pid tunning?in pid tunning what you tunned?is it possible 2 tune p i d

4348


how many type conductivity sensor ?

1620


Explain the working of an electronic level troll.

586


Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?

1551


In bently nevada vibration monitoring system,what is the reason to maintain the Resistance of the probe + extension cable equal to 95 ohm? If possible explain the basic principle of measurement with detail electronic circuits.

2477


We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.

1746


can we create an interrupt in plc through scada?

1882