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

Instrumentation Interview Questions

Questions Answers Views Company eMail

yogokowa field bus system transmitter all's we are geting IOP fault in Contiunes please help me fine how we can normal the broblems?

ABB,

4 25752

If the vibration probe near to the shaft,then output voltage will be decreased r increased?How?

Amtek, Hamsco, IJT,

1 2838

Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.

1916

What is the basic difference between 2 Wire, 3 Wire and 4 Wire RTD

2 11049

What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?

Cairn, Honeywell,

2510

What is the procedure of changing a Faulty Module of Allen Bradley PlC without stopping the Process

Siemens,

1 5582

What are the materials use for COntrol Valve body?

KNPC, Qatar Petroleums,

1 4122

What information needs for Control Valve "sizing"

Qatar Petroleums,

1 6871

If I want to buy a pressure switch & 3-way valve for hot water application then witch parameter I should consider.

1 3613

what are level of automation & how these are distinguished ?

3 5738

When we will do simulation for I/P?IF WE DO SIMULATION through which way either series or parallel?

TVS,

1 4500

how can I install "operating system " in may HART communicator? It is damaged, and it doesn't boot up.

ARPC,

1 3659

Can be operate control valve without positioning if yes ? how and why?

Focus,

4 7407

what is the T/C & RTD mesuremaint?

3 7764

Level in tank under vacuum (Ex: Condensate Tank of Power Plant)is measured using D. P. type level transmitter. Tank is subjected to vacuum of 755mmHg. Is it possible to fill wet leg ( i.e. leg connected to top of vessel with low point of D. P. xmtr) with water?. Are there chances of water getting sucked under vacuum? if yes, what is the solution?

3 5939

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Un-Answered Questions { Instrumentation }

sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2329

What is the start up procedure of desalter

3681

Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

2287

this site is owned by an nonsense

2319

How u measure the massflow in orifice flow measurement techniques

1407

what is diffrance between FF & SMART, explain with difination

3216

What are the type of bonnets in the control valves?

1870

selection of the zener barrier for the hazardeous area zone 0

2259

why we use cascade control and feed forward control in 3 element drum level control measurement of steam drum .what is cascade and feed forward control system ?give example .

2884

what are the steps I have to deal with?

2245

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

1491

How can you add value to this Industry if offered the job?

1596

How to calculate mmwc values into tonnes?

1258

protection relay watchdog contact operation?

1959

why Fahrenheit unit of moistur analyzer transmitter

2239

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