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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what is concept of field,control room area in transmitters?

1 6809

why we use -ve voltages in vibration prob?

1 7954

how do calibrate the valves.. with clear manual

Essar,

2087

how can check the loopchecking for valves?

3 11610

SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.

2358

in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 8199

how to use K thermocouple instead E- type without compesation cable

1 3543

in split range control valve,two valve should be in two different line and that should have some distance,and we have only one positioner feed back link.so how we connect one feed back in two control valves?if you have picture please forward me.my email id kb.syamkumar@gmail.com

2 7826

How to calibrate Field bus transmitter? procedure ?

Parco,

2342

difference between transducer and converter in instrumentation

4 17756

difference between vaccum and draft

2037

why the steam drum and deaerator level transmitter range is in negative MMWC to zero

Emerson, Jindal, JKPM,

3 28670

why we are using 4-20ma why cant we use 4-40ma

3 10267

in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

3 10138

without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

IOCL,

5 12004

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Un-Answered Questions { Instrumentation }

how works encoder in plc

2075

What are different types of orifice plates? State their uses.

1149

How do bending tubing provide better measurement than using tubing fittings such as elbows?

1939

what is the difference between profibus and controlnet networking.

3223

How to calibrate smoke Dectector

1629

How we connect a instrument with ground, Give brief explanation with help of diagram?

2094

How would you choose differential range?

1163

What are different types of orifice plates?

1188

we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.

1707

Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .

1704

Why MUX JB's are using only Temperature Element in Fundation field bus?

2336

IN CONTROL VALVE SPECIFICATIONS GENERALLY TERM " DE- 200" ."DM -400"USED,, WHAT IS DE/ DM STANDS FOR?

2224

What is Span Error

690

1- Explain about HPM 2- What is the FSC and explain the configuration of FSC 3- explain the complete loop of vibration, how it works (field to control room) 4- What is the use of proxymitter? 5- During job your partner effected with H2S then what you have to do. 6- what type of gland packing uses when valve glind is leaking.

2810

i want to find out iffco get test paper

13121

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