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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is heating effect?

Process Control Technologies,

2359

Why is the length of cable layyed from RTD to temp. Transmitter should be minimum? Why does heating effect takes place in their?

Process Control Technologies,

1 6297

Why do we use triad cable for RTD to Temp.transmitter connection? Why we don't use 3 core cable?

Process Control Technologies,

1 15025

What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem?

Process Control Technologies,

2503

Why do we have earthing cable in branch cable and shield in the same cable?

Process Control Technologies,

2611

Why 1-5 vdc a standard?

Process Control Technologies,

1 7849

Hello Friends do you know this answer of this Question? Which color you would use when there is Somthing not correct or need to change In P&ID? i mean color that use for highlight that need to update in P&ID. Yellow Highlighter ? Red color ? Blue Color ? Appreciate for your answer. Thanks Blue Color

2 6014

what is all types of analyzer in water production plant?

Marafiq,

1 3253

flow transmitter formula?

BEMCO, Siemens, Yokogawa,

2816

Flow tax range 0 to 100 mmh2o ,flow rate 40 tons /hr, I want change flow rate example 42 tons/hr so tx range ?

2 4528

Describe how to use megger to measure the earth resistance and insulation resistance

2235

why we use the 4-20 mamp signal used for transmitter.

Tecnimont,

5 10772

Boiler flame scanner working principle?

Bhel,

1 7197

Why boiler chimney area oxyden sensor fixing?

NTPC,

2496

How to calculate flow of air bubbler type level transmiter According hight and density

Qatar Petroleums, RKS,

2 5786

Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

in differential pressure transmitter,min&max pressure range for hp&lp

2012

explain key exchanges in all security modes WPA,WPA2,TLS?

2053

what is a half wave, full wave, and bridge rectifer.

1789

what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?

1991

Im having problems with interfase betwen SPI v7.0 and SPPID v5.05. Previous versions of Intools shoul be fixed with SPPIDproj.ocx file. It was necessary to replace this file with one that allows the connection between different versions of SPPID. It is necessary in the current version to do the same?Thanks

2316

Explain the burnout feature.

981

what deference between panel earth and systemearth

2333

sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com

2334

What is limitation of the ht.of the displacer of a level trol?

2402

what is interface level measurement.who can calibrate interface level measurement transmitter online

2530

line up procedure for dp type flow transmitter?

1907

How many ohms are required for proper earthing?

1105

how to calibrate load cell

2843

how to design orifice plate?what is the equation?

2059

what is effect of specific gravity in differential level transmitter , explain formula related with this .

1659

For More Un-Answered { Instrumentation } Questions Click Here