Instrumentation Interview Questions
Questions Answers Views Company eMail

explain the working of Coriolis Flowmeter.

ABB,

2 8559

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

ABB, Sabic,

2 10635

relation between flow and differential pressure.

ABB,

7 29907

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

BEL, PSU,

6 11259

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

HPCL,

1734

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

15 40326

what is difference between PLC and DCS?

10 16128

what is the difference between plc and pc?

ADI, NFCL, Wipro,

5 35239

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

9 10841

what is seebeck effect?

7 10831

which type of filter gives the constant phase characteristics?

1561

draw the characteristics of chebyshev filter

1565

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

Essar,

14 37541

why are use only 4 to 20ma. signal.

Otsuka,

9 20509

why dead weight tester called dead weight tester.

QAFCO,

5 22847


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Un-Answered Questions { Instrumentation }

Valve positioner and actuators in detail.

1376


What is wet leg condition and why is it used?

1542


Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

1644


What is difference between radial vibration and axial vibration explain in detail .

1157


What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

2923






what effects a surging can produce in the compressor

1463


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

2031


Give an example where you had aproblem on the job, and tell me how you solved the problem. and the finalvoutcome.

1798


what is the protection system in solar turbine compressor

1702


What should be the main consideration while starting the Rotating compressor when we dont know the cut in and the cut off pressure setting of the pressure switch

1689


In which principles tx ,pressure gauge,Temp gauge,control valve works?

1286


CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?

1450


what are the selections available in configuring a burnout protection of a controller? thanks

1445


how is work pressure switch& level switch?what is the principle of this?

2127


why using negative supply for bentley nevada vibration system ?

1702