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

Instrumentation Interview Questions

Questions Answers Views Company eMail

explain the working of Coriolis Flowmeter.

ABB,

2 9653

explain Cascade Control strategy with the help of a block diagram. also exlain its working in a distillation column

ABB, Sabic,

2 11770

relation between flow and differential pressure.

ABB,

7 32252

in sports(eg,cricket) what is the technique for measurement of speed of the ball thrown by the bowler.

BEL, PSU,

6 13207

send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com

HPCL,

2222

what is diff between sensors and transducers.explain with ex?

15 44934

what is difference between PLC and DCS?

10 19125

what is the difference between plc and pc?

ADI, NFCL, Wipro,

5 37342

which is type of thermocouple is used to measure 1000deg?

9 12904

what is seebeck effect?

7 12715

which type of filter gives the constant phase characteristics?

1926

draw the characteristics of chebyshev filter

1995

1 bar is equal to how many pound per square inch(psi)?

Essar,

14 41755

why are use only 4 to 20ma. signal.

Otsuka,

9 23055

why dead weight tester called dead weight tester.

QAFCO,

5 24712

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Un-Answered Questions { Instrumentation }

what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??

4022

How an rtd work, and what volts/current goes to a rtd to measure the resistance?

1279

Why do you want to work here

2330

how pressure transmitter work, what is its principal to measure and how its generate signal. for pressure transmitterinstallation which precautions must be taken ??

1748

Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.

2280

What are different type of instrument cable

2273

What is first echo & echo window in radar type level transmitter?

1691

May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com

2134

What is 1:1 redundancy ?

2383

why we are using magnet for calibration of gas detector?

2251

what is the reason while warning lamp is on while the engine is cranking?

2145

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

1938

Explain the working of rota meter.

1220

Programmable Logic control.

1962

Explain plc level and its type?

1347

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