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Instrumentation Interview Questions
Questions Answers Views Company eMail

what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?

2072

It is desired to reduce effect of 50Hz pick up in a thermocouple measurement. If a third order LP filter is used for this, what should be its cut off frequency, if gain should be 0.001 at 50Hz.

Honeywell,

1 3909

What is sensitivity of K type thermocouple? Is polarity important in thermocouple connections?

Honeywell,

3 10618

How can one improve linearity of an RTD based temperature measurement system?

Honeywell,

2 7520

What is cold junction compensation in thermocouples? How is it achieved?

Honeywell,

4 11585

How does one detrmine the direction of movement of core in an LVDT?

Honeywell,

2 6642

What is an instrumentation amplifier? How is it better than a differential amplifier when handling outputs from a wheatstone's bridge?

Honeywell,

2 6922

How INtools is useful for routine Instrument maintenance?

2083

What are the problems faced while testing HART instruments?

SSC,

1 4924

please give me combustion cntrl interlock details? if possidle drawing also?for this one is there any website ?

1 4141

if drum level is low what is interlock? i mean we put interlock to fd fan or id fan ?

4 13748

suppose in dcs range of a flow transmitter is 10t/hr what is dp for 50% in 2500mmwc

Chevron,

6 13182

Waht is surge in compressors and how to control it?

DEWA,

1 3872

What is surge in compressors? How to detect and control it?

DEWA,

1 8084

what is procedure of calibration of remote seal transmiter, botom to top flanch 850mm, fluid liquid density .73, transmiter fixed on a fractionation colum, under vaccume 10mbar

4 7568


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

any body please send me the old question papers of ongc test.

2097


line up procedure for dp type flow transmitter?

1900


what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

2531


Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

2070


Can please tell mi about SIOS, PRM, SERVER, and what is the diference between PIN LAN, PCS LAN,APC Server, and please send the Doc if possible for referance,mail id patil_amit17@yahoo.com

1969


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

2671


A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

1354


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

1884


What is eddy current? Describe the operating principle of proximity probe.

2300


In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

1860


How to Calibrate Vortex Flow transmitter in field

1269


Why do we floating DC in DC system.

2896


Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.

2012


What is the principle of capacitance type level transmitter?

1079


How can i test procedure grounding for CAT-7 cable? Or How can we test procedure CAT-7 Cable Electrically safe?

2952