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

Instrumentation Interview Questions

Questions Answers Views Company eMail

i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 3739

How to calculate 47Liter H2 Gas cyilnder consumtion? Cylinder inlet Pressure is 200bar and Discharge pressure is 6.0bar. Flow is 100ml/min.For the above condition how many days one cylinder can be used?

1 4096

what is dc moter.

Jindal Steel and Power, Lupin,

2227

I have flow transmiter DP range is 0 to 5000mmwc,(convert) Display to be show in m3/Hr.

Orient,

3 16938

WHAT IS TMXT IN TEMPERATURE FOUNDATION FIELDBUS.

2314

what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.

L&T,

2234

how can calibrate pressure transmeeter in the feild ?

1 5319

If Solenoidal valve works in manual mode but not in Auto mode. What should be the problem?

Bharathi Cement, Titanium,

8 11655

Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com

3206

how can leve transmetter calibate in feild .and also put cv and flow plz .....

IBM,

2242

sir, give me placement papers and interview quistion of birla group company of copper.

Birla,

2854

difference between DCS @ SCADA system? and how can use in field

Marafiq,

5 10069

where we are used split range control

Borouge,

1 5897

how we convert Mili ampere to temp txt,level txt,flow txt,pressure txt range value

Saadi Cement,

4 7219

what is difference between venturi and orifice

1 5700

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Un-Answered Questions { Instrumentation }

installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,

2127

What is the differerence between hysterisis and linearity.

2317

Explain operation of Haskel pump.

2158

Difference between dcs and plc including date processing and architecture.

1127

What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?

2105

Explain why use mmwc unit?

1043

How INtools is useful for routine Instrument maintenance?

2083

when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?

1761

TEMPERATURE VARIATION FOR FREQUENTLY.

2046

please send data bank of quetions answers on analytical instrumentation.

1867

Hi Friends i am going to write BARC written test by this month 20th (20-5-2008). So please if any body knows the details about this or having previous question papers pls mail me to kkumarei@gmail.com. For Suggestions give one message to 9962122264

2397

i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....

1463

what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

2161

How to calculate mmwc values into tonnes?

1258

Why even multiple power supplu r used in instrumentation system?

4979

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