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

Instrumentation Interview Questions

Questions Answers Views Company eMail

How much flow is passing through 6 inch line? There are no gauge, no any transmitters in line.

3 6316

What is megering????

2 15474

waht is difference between pressure transmitter and transuducer

Gasco,

4 7730

There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

1961

what is input and output cards of plc needs to be hot swappable mean

1 5523

why magnetic flow meter is not used in thermel power plant operation

JK Paper,

2 6777

How does milli volt is created in themocouple?

Jaypee,

2 6123

How does pyrometer works?

1 7488

Why we are using temperature and pressure as a reference when measuring flow of steam?

Shell,

4 9274

What is Process portal A(PPA)?

ABB,

1 5807

How Many Slave Can be used in one slave ?

2 5399

what do you mean by cathodic protection?

Saipem,

1 5805

what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

Accer, Reliance,

2152

what is the difference between transmitter and smart transmitter ?

Aditya Birla,

4 9241

what is loop folder?

Bapco Bahrain Petroleum Company, Hyundai,

1 25828

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Un-Answered Questions { Instrumentation }

find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

1938

draw shematic diagram of c/v positioner(smart type)?

2224

Why upper weighing limit of electronics balance is 90% of the total weighing capacity?

2198

what is the working principal of pribe

2296

how radio frequency level probes works with its controller ? what is its principle ? pls give me brief explanation?

1887

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

2097

what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

2187

Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

4657

How to measure the dust in chimney(spm)?

4094

What happen if we install my pressure transmitter below the elevation of pipe in natural gas service?

1064

What is the difference bitween control net scaner and device net scaner

3590

need instrumentation job completed 1 year trainee ship in mnc pesticide company. now in search of job

1886

What is the use of double seated valve?

1324

What is defferent betwen ESP &PCP PUMP .HOW IT IS WORK?

2478

In turbine what does term CDP, NH, HSSOC means.

1772

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