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

Instrumentation Interview Questions

Questions Answers Views Company eMail

1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?

1691

what is the different between deflection type measurement and null type measurement in RTD?

SHR Solutions,

1946

Dear sir i m presently working in power plant nd my question is if any pump give flow 18tph then how would i know that how much range flow tx installed their flow line for flow measurement plz give me ans

HPSL, Infotech,

1 2758

Difference HAZOP and HIRA

1 23090

when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?

1820

How to rerange a dp type level transmitter after installation?

NSH,

1 3186

why we are using magnet for calibration of gas detector?

NSH,

2296

How to fix back the valve actuator stem

SAFCO, Tarpon,

2118

what is a half wave, full wave, and bridge rectifer.

Takreer,

1838

In turbine what does term CDP, NH, HSSOC means.

Takreer,

1832

what is function test.

Takreer,

1 3929

what is performance test.need defination

Takreer,

1769

what is field bus system. need defination

Takreer,

3 4914

what is difference between hart signal and analog signal (4 to 20 ma)

Takreer,

2 6170

what is commissioning.

Takreer,

2 4306

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Un-Answered Questions { Instrumentation }

For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

5518

what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail

2372

How servomotor controls throttle valve of TURBINE?

2015

Which is your favourite subject & explain any one topic of it.

9674

A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe

2296

What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

2040

I need to know steps to Calibration Valve Guard......

1528

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?

1828

typical loop drawing of a simple feedback control comprising of one transmitter and one control

2051

please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

8733

I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.

2344

how to relay switch sense the fault?

2667

sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

2509

Hi Friends , i need one urgent help , i am preparing for M.tech entrance examination , i need some obejective questions related to instrumentation field. where can i get those ? can anyone help me pls ?

2001

If P will increase then what will happen with PID?

6149

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