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 23073

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

Bhel,

2417

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

3 12826

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

Honeywell,

7 13858

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 8003

What is cv of control valve

Cadila,

4 11228

detail of mass flow meter pricipal

2305

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

5 12120

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 14175

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

5 10939

what is the operation philosophy of proximity velocity sensor

1 6024

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

2 6098

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

1951

Any Transmitter Range (Span value) start from 2?

Exxon Mobil,

1 4104

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

Birla,

7 22676

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Un-Answered Questions { Instrumentation }

Identification of control valve parts.

2059

what is gas metering system? gas chromatograph? and gas compressors?

2458

PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS

3907

Why not come out analog output in ABB EL3020 when display show correct value

1892

Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?

1997

How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?

2608

can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).

2041

give eg of how I/P is used in control loops

1949

I was working on calibrating turbidity transmitters endress+hauser at effluent polishing plant.We calibrated using NTU buffers.What happened is that when we immersed the sensor, everytime we raise and lower the sensor gradually, the reading will vary.my question is that is there any specifications on what is the required distance from the bottom of the container with buffer to the face of the sensor?Is it ok to install the sensor in a medium which has turbulence specially if bubbles are present?

2214

What is the difference between working pressure and calibration pressure of a control valve

3078

What is Predictive Maintenance

1175

Any one can help me to identified, how can we interchange the device in FF

2795

Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?

2786

What is the diffrence between ff tx and non ff tx

3194

all types of liquid analyzer principle with drawing?

1972

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