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Instrumentation Interview Questions
Questions Answers Views Company eMail

what is the diffrence between plc&dcs

HCL, Hindustan Zinc,

4 8182

what are the basic instructions used in simatic s7-300 plc?

Dr Reddys, HZL, Siemens,

5 9547

What is the deffernce bet. Instrumentation and Electrical Enginerring?

 1 3904

How many types of Control Modes in process control, plz tell me all.....?

 2 10351

purpose of absolute ppressure transmitter applcation?

 1 4239

difference b/w single acting and double acting actuator by using application only?

McDermott,

2 37287

what is absolute pressure and where use in process?

 3 7507

i have one tank of 500mm height, which is in under vacuum of 735 mmHg, I want measure level of the same using DPT , SO WHAT WILL BE THE URV & LRV, DENSITY OF THE TANK FLUID IS 0.95. is there necessary to fill the LP side with fluid.

 7 14510

WHAT IS THE DIFFERENCE BETWEEN A TRANSMITTER & A SMART TRANSMITTER.

 8 39813

what is Potential free contact? where it is used?

Engineers India Limited,

3 30459

how to calibate level transmiter ?range -150 to +150.what is the zero and span?

 1 6639

Working principle of vibration sensor?, Type of vibration sensor? , Can we use vertical instead of horizental or vice versa?, if not Reasons?

 2 10625

can any one pl explain me in brief that how we select the leakage classification in valve,means for liquid or gas there is any standard for selecting leakage classification or its depend upon valve size or any any other parameter.

 3 4688

Foe selecting control valve if i have the min,normal & max data of flow rate,inlet pressure& outlet pressure,inlet tem.&density than how can i assure that these data are correct,pl. let me know if therew there is any method to check it.& also how we assure that the Cv we get from this data is suitable for valve for controlling require flow.

HPCL,

3 7095

Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

IOCL,

1677

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Un-Answered Questions { Instrumentation }

䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ

1503

Why flow/pressure transmitter before control valve?

1052

which type of zones used for boiler? & why ?

1415

Operational amplifiers

1512

Specify for Cables - Flame Retardant and Fire Resistant?

1624




Why we are using DPT(Differential Pressure Transmitter) in separator instead of level trasmitter?

1759

What are the interlocks we have to check during the start up of LP/HP compressor?

1476

State some of balance principle’ advantages?

639

need to calculate flow rate with the help of dp range and orifice bore dia and size. range is 0 to 400 inwc and orifice size is 12 inch 150 # rf and bore dia is 7.180 inch. need to calculation for flow rate

874

where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3050

Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

918

what will the sending unit in the fuel gauge utilizes?

1461

Why is the orifice tab provided?

698

in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

2683

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

2031

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