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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what is intools software

2 22958

what is the vital subject for scoring bhel exam&what is the question pattern

Bhel,

2349

I need the intools training institute address in india. Intools subject oriented local authors books.Refer me plz

3 12703

Can anyone explain in a simple way the difference between DCS and PLC?

Honeywell,

7 13607

i have one absolute pressure transmitter for the range is -400mmhg to 400mmhg. If i do the zero trim at atmosphere the transmitter should be give 4ma or 12ma? which one is correct?

2 7891

What is cv of control valve

Cadila,

4 11052

detail of mass flow meter pricipal

2277

Why 4-20mA SIGNAL IS PREFERRED OVEA A 0-10v signal?

5 11922

What is the difference between Pressure Safety Valve and Pressure Relieve Valve, in what condition we prefer choose Pressure Safety Valve rather than Pressure Relieve Valve? and vice versa

Vedanta,

2 14020

Y to use 4 to 20ma instead of 0-10v

5 10742

what is the operation philosophy of proximity velocity sensor

1 5952

What is passive connection of instrument in different types of IO module?

2 5987

can someone tell me about electronic speed switch &how it conect with proximittyswitch?(with dgm)

1907

Any Transmitter Range (Span value) start from 2?

Exxon Mobil,

1 3985

How can we check Zero of DP type Level Transmitter onside?

Birla,

7 22445

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Un-Answered Questions { Instrumentation }

I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration So is there any causes biside this or any permissives ?

1808

why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?

6364

how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc

2030

Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.

2156

on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon

2112

what is the difference between Cv and air consumption? why the customer needs Air consumption details?

1941

Explain bernoulli’s theorem. State its application.

1115

what is the imbustion control loop

1837

How to calibrate Field bus transmitter? procedure ?

2294

what is vibration a part of proceess variable? if vibration is a part variables then how we minimize the actual vibration on machine on load,? vision of instrumentation contrl plz ans me IPGDL interview question

1878

Programmable Logic control.

1901

in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

3126

What is the difference between PLC and DDC?

2123

any questions on motor and energy conversions machines?

2189

Calibration of controller (pneumatic)

1921

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