Instrumentation Interview Questions
Questions Answers Views Company eMail

what is concept of field,control room area in transmitters?

1 6017

why we use -ve voltages in vibration prob?

1 7101

how do calibrate the valves.. with clear manual

Essar,

1529

how can check the loopchecking for valves?

3 10338

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1899

in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 7141

how to use K thermocouple instead E- type without compesation cable

1 2862

in split range control valve,two valve should be in two different line and that should have some distance,and we have only one positioner feed back link.so how we connect one feed back in two control valves?if you have picture please forward me.my email id kb.syamkumar@gmail.com

2 6649

How to calibrate Field bus transmitter? procedure ?

Parco,

1806

difference between transducer and converter in instrumentation

4 15870

difference between vaccum and draft

1535

why the steam drum and deaerator level transmitter range is in negative MMWC to zero

Emerson, Jindal, JKPM,

3 26625

why we are using 4-20ma why cant we use 4-40ma

3 9014

in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

3 8777

without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

IOCL,

5 10365


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit?

1397


What are different types of valves?

657


How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?

1578


What is the difference between uv and ir scanners? and what is the workig principle of both

1921


How digital input and digital output 's are working in dcs

2017






How to interfacing microcontroller with a DC motor

1227


Positioner usage.

1470


What is difference between differential pressure & delta pressure?

596


Q-Explain the different load conditions that will produced different offset which may or may not be acceptable to thhe control function

1715


what is the usage of QDV & VOLUME BOOSTER

1750


how to commission furnace ( water heater)

1476


Linear amplifier.

1519


whatis range of marcury filled tempereture gague

1472


types of cable..? Use of every types of cable..?

1572


what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?

1611