Interview Questions Answers in Instrumentation

meraj

{ City } jubail
< Country > saudi
* Profession * instrumen supervisor
User No # 107877

Total Questions Posted # 10
Total Answers Posted # 1

Total Answers Posted for My Questions # 5
Total Views for My Questions # 36708

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Questions / { meraj }

Questions Answers Category Views Company eMail

What is the formula of vabration sesore. i mean how to covert mils to volt plz share if any body knows very argent : my mai is merajalam143545@yahoo.com

Samsung,

Instrumentation 2447

What is the live zero and dead zero

Samsung,

2 Instrumentation 8105

Why rtd out put is ohm how create the ohm

Samsung,

1 Instrumentation 5878

What is the difference between ff transmitter and non ff transmitter

Samsung,

Instrumentation 2391

What is the diffrence between ff tx and non ff tx

Jindal, Rosemount,

Instrumentation 3129

How does work A temperature valve or fv control valve in process plz brief me

Jindal,

Instrumentation 2373

Why rdt and thermocouple both give different output .and one things more, how to generate ohm or mili volt plz mail me merajalam143545@yahoo.com

Samsung,

Instrumentation 2745

why Fahrenheit unit of moistur analyzer transmitter

Infosys, Samsung,

Instrumentation 2178

Anybody can tell me how to convert mmHg2o /psi to scfm please give me formula of conversion

Samsung,

Instrumentation 1860

What is the reverse action and direct action

Samsung,

2 Instrumentation 5602

Answers / { meraj }

Question { 10309 }

why we use 250 ohms across HART CALIBRATOR DURING
CALIBRATION OF TRANSMITTER

Answer

I think 250 ohm use for drop the crrunt of circuit .If I use above the 250 ohm i can't get sufficient output crrunt.one thinks more that if you increase or decrease the ohm as well as output crrunt will be increase dearead . that's why i can't exceeds resistance value

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