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Instrumentation Interview Questions
Questions Answers Views Company eMail

What is Cavitation in a control valve?

CCIE, KN,

1415

What is Erosion in a control valve?

CCIE, Fisher,

1398

What is Burnout feature in a recorder?

CCIE,

1 3751

Draw a great bridge circuit.

CCIE,

1434

Draw a wheatstone bridge circuit showing supply, meter and 3 wire RTD connection

CCIE,

1373

Draw symbols of the following :

CCIE,

1365

NPN transistor, SCR, Zener diode, LED, Varactor diode, Vortex meter, RTD, Resistor, Crystal

CCIE, RTD,

1578

Draw a 3 element level control loop and explain

CCIE,

1 5742

Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor

CCIE,

1493

Explain pH, Conductivity.

CCIE,

1522

Explain PID, ON/OFF, Controls

CCIE, Gulf Engineering,

1411

Close loop and open loop.

CCIE,

3 5354

Instrumentation symbols interpration, P& ID, Logic diagram analysis, Electrical drawing analysis.

CCIE,

1313

Decibel.

CCIE,

1839

Linear amplifier.

CCIE,

1353


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Un-Answered Questions { Instrumentation }

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

1483


Sir, I am working as a Instrument Engineer in Grasim Industries. Can any body provide question answer for interview purpose

1521


Explain the use of hair spring in the pressure gauge.

474


how can i check vortex shedder bar it is ok? if there is ohms condition are shown correct?

1513


we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.

1391






What is the start up procedure of desalter

2716


I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?

1528


What is Predictive Maintenance

489


what is the process for double acting cylinder pneumatic for 32' v/v

1467


what deference between panel earth and systemearth

1605


How many interlocks at turbine? Plz explain briefly

1368


what is the vital subject for scoring bhel exam&what is the question pattern

1731


what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.

1716


How is work 5/2 sov?

1150


how u calibrate pneumatic n motorized c/v?

1366