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Instrumentation Interview Questions
Questions Answers Views Company eMail

HOW MANY METHODS OF TEMPERATURE MEASUREMENT ? HOW MANY MEASURING DEVICES / TRANSDUCERS ?

Aramco, IOCL, JP Group, NFCL,

6 13016

is fan is a transducer or inverse transducer?

5 14013

how to make temperature closed loop

1 5364

Why the tapping connections are taking above for gas service and below for liquid service?

ADCO,

2 6676

We have a Yokogawa Micro-XL DCS, which is having around 300 I/O, but whenever there is any wire gets grounded in field, the 24v supply to all loops gets dipped & all the indications at DCS goes to IOP(shows input open), at present we have fixed 500mA fuses in all the lines but which does not working. Does it required to replace with lower amps fuse, then how much or is there any other solution for this.

2 6770

How to calibrate RC Feeder system in thermal power station?,If any instrument available to calibrate it,ple inform me. make:stock,

TATA,

3195

what is maximum vaccume?

4 8316

I have a MRE200 amplifier for controlling a mitsubishi servo motor, I would like to know how many pulses are required to rotate the servo motor by 1 degree and what must be the pulse width

Essar,

1 5025

I want to know if flowrate increases in 16' pipe line what will happen to upstream pressure and why?

1 3584

In 16' pipeline one pcv is installed which is controlled by PT installed at inlet of PCV.If Flowrate in pipeline increases what will happen to pressure at the inlet of pcv.

Essar, vssc,

5 11203

can we control operation of PLC from operator station?

3 6171

how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

United Phosphorus,

2121

What does threshold mean? what does tolerance mean?

DEWA,

1 5084

what is the relation between flow and pressure.for example relationship between level and pressure is p = phg like that i want ans for this question.and also how to calculate orifice sizing and flow transmitter. pls some one ans for this questions.

Orchid, SRF,

3 8986

What should be the ideal tapping location for pressure differential transmitter for liquid service. If the tapping taken from the top of the pipe then PDIT will work properly or not. If PDIT do not work properly then what minimum corrective action should be taken in order to solve wrong tapping locations.

1 6967


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

detail of mass flow meter pricipal

2305


Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability

1842


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

2022


give me all the details about the interview and which type of question being asked

2227


What is the use of single seated valve?

1078


PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS

3907


How would you choose differential range?

1174


what is output of FOUNDATION FIELD BUS transmitter

2156


How flow can be measured with dp?

1148


Emergency Shutdown Systems/ Plant Shutdown System.

2276


why is not useing in boiler skin thermocople

5283


How to calibration a control valve?

1175


Question on maha cement

747


OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10717


What materials are used in thermo wells?

1177