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

Instrumentation Interview Questions

Questions Answers Views Company eMail

How to check the SCAN time of DCS ,n dont give therotical answers .How to check the SCAN time of DCS during FAT?

2 8306

Can anyone provide me the details of GAIL test paper?What is the format and what type of questions will be there? my id-princegnb@gmail.com

GAIL,

1 5863

where do you give the 4-20 ma i/p in a MIL control valve?

Siemens,

3 9695

What is the standard height for stancion supports? and what is the standard mounting height for different transmitters?

Samsung,

11 25500

how is hazardous and non hazardous area classified?

Bhel, Power Plant, Samsung,

2 8919

What are the characteristics of Control Valve

Ispat,

2 12440

what are the different types of terminal lugs used for wiring termination?

Yokogawa,

5 25068

What is the use of the shield wire and how is the connection at both the ends of a shield wire?

Samsung,

2 9101

What is minimum distance between three thermocouples (2oo3) mounted on same pipe line (20")? Technically accepted by stright line mounted or circler mounted?

1 5701

what is the difference between SCADA and DCS?

ACC,

5 16894

Why any transmitter signal is 4-20 mA only Why is started from lower range 4 mA and upper range is 20mA.

Edac,

5 12692

where can i find a flameproof hmi unit?

1 4336

what is dead weight tester and where it is used?.

DuPont, Jain steels,

11 22370

please send me gail format if u have... please help me if u can...

1 3925

HOW THE ORIFICE & PRV SIZING BE HAPPENED -- EXPLAIN IN BRIEF

3 8026

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Un-Answered Questions { Instrumentation }

How to work togather like sov,limit switch,proxy switch and booster in xv

4295

give some question relative instrument fitter?

6315

Draw bode plot of any transfer function. Why is plotting bode necessary?

2596

How to Calibrate Vortex Flow transmitter in field

1333

Name different types of bourdon tubes.

1201

Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?

1826

Specify for Cables - Flame Retardant and Fire Resistant?

2092

How many types of sensor

1666

what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

2154

control panel design guidelines

3459

how is work pressure switch& level switch?what is the principle of this?

2739

I want to apply for the universities in US,but i got the GRE score of (650+300=950)TOEFL 69/120.Is this score sufficient for applying universities please i am married i need to go to US because my husband didn't get H1 yet.please send me suggestion

1929

Explain PID, ON/OFF, Controls

2086

you are on site,the plant trips,you are approached by operations,what do you do?

2296

what is effect of specific gravity in differential level transmitter , explain formula related with this .

1696

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