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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what is vfd(variable frequency drive)?type of vfd.

2 5900

what would be the minimum flow rate that we can measure on rotameter..?

TATA,

2147

What is transducer

IFFCO, Jindal,

4 9820

how the flow rate is measured from a pipe with the help of pressure?

1 4921

If an Instrument has 550 ohm internal resistance and the cable used for that instrument is 0.5 ohm per meter resistance. If the voltage is 12volt.How much length cable can be used?

2 5500

On liquid service if PT Head is 18 meters. How much pressure will be exerted on it. If Transmitter is not in service?

1 4506

There is a problem with our HART475 it is not communicating with smart devices error becomes "NO DEVICE FOUND"we have insert 250ohm resistance as per requirement but invain plz tell me the solution?

1 7157

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.

1773

can any one explain in which term we are flow flow is it volumetric r is it mass? and y

1993

all questions related to instrument technician in any offshore oil and gas company.

21725

Questions on flow meters,few questions on HART protocol,

Monnet,

2063

few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters

Monnet,

2095

the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

GNFC,

2165

A motor is taking 15 Amps at no load and 60 Amps at full load. and a valve has to open 10% at full load and 80% at no load. How to draw ladder logic.(PLC).

2 6297

what is bevel? why bevel required in orifice plate?

2 33081

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Un-Answered Questions { Instrumentation }

Which language of programing is popular? how can i learn it ?

2211

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.

2855

any body please send me the old question papers of ongc test.

2153

what is the process to make control schematic ?

2281

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

1655

What is rang ability?

2389

What is heating effect?

2414

How to measure the dust in chimney(spm)?

4147

How does your previous experience relate to the job you are applying for ?

2087

steps for installing orifice plate?

1899

what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

2219

What is sensitivity in vibration probes..?

1720

What is the diffrence between digital signal processing and discrete signal processing?

2044

What is the GK Value in Flowmeter?

3770

sir, give me placement papers and interview quistion of birla group company of copper.

2900

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