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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 7128

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 4964

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

Siemens,

3 8264

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

Samsung,

11 20977

how is hazardous and non hazardous area classified?

Bhel, Power Plant, Samsung,

2 7641

What are the characteristics of Control Valve

Ispat,

2 11209

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

Yokogawa,

5 22781

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

Samsung,

2 7847

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

 1 4866

what is the difference between SCADA and DCS?

ACC,

5 14822

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

Edac,

5 10821

where can i find a flameproof hmi unit?

 1 3541

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

DuPont, Jain steels,

11 18210

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

1 3256

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

 3 6623

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Un-Answered Questions { Instrumentation }

can we create an interrupt in plc through scada?

1882

what are the different types of Protocols? & their applications.

28450

How it the difference between force balance system and dispalacement balance system?

1585

define feed forward control loop with example and drawing?

2732

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

1760




If fire would be inside the plant which fire detector is to detected the fire.

1063

i need some objective type questions in instrumentation

4468

What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?

1509

how to relay switch sense the fault?

2080

What is the use of control cable?

674

what is zero and span ?

1195

Somebody tell me in what way i need to prepare for csio pgrpe(adv instrum eng)interview?what all the quest can i expect?

2098

Valve positioner and actuators in detail.

1374

Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?

1552

Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem

1727

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