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Instrumentation Interview Questions
Questions Answers Views Company eMail

what is diff between the motor and pump

HCL,

10 28118

What is the differaence between PLC and DCS?

6 15853

How can you convert an SR Flip-flop to a JK Flip-flop?

1 5869

How to force the bit in GE Mark V?

1 3465

Can any body help me,The GE Mark V control system is windows based or Dos based?

3 5615

please send the drdo exam paper

DRDO,

1799

what is difference between modbus & fieldbus

ABB,

1 22914

I have applied the post Junior Engineer-(TM)in R.R.B CHANDIGARH recently . what type of question i have to practice and which book ?. can i get any model question paper?

RRB,

3 5511

all types instrumentation questions want

Bhel, Descon, HBL Power Systems,

1518

why twisted pair of wires is used in instrumentation ?

ONGC,

6 21305

cheapest instru-- PMMC, EDM, rectifier, thermocouple.

ONGC,

3 9620

difference between null and deflecting instrument.

ONGC,

5 52405

calibration of instruments.

ONGC,

11 15069

Paper Details: company -- Hindustan Copper Limited post -- GET 2008 Date -- 03.08.2008 Dept.-- Electronics?Instrumentation Aptitude -- 70 Technical-- 80 Total Time -- 2hr 30min I have listed the question I could able to remember 1. BCD equivalent of 43 2. value of K for stability of a system from a given equation 3. transformer connection for darlington connection 4. damping of balastic galvanometer 5. advantage of chart-pen recorder over CRo 6. CRO - how to change bandwidth 7. questions on CRO construction 8. reverse saturation current of si diode 9. advantage of wire wound resistance over carbon resistance 10. core material for a small coil 11. max fanout-- TTL/ECL/CMOS/MOS 12. component of resistance of monolithic IC 13. functions of capacitors in multivibrators 14. to change a sawtooth signal into a square wave we use-- schmit trigger/ schottkey diode/ zener diode 15. relation b/w á & â in transistor ckt 16. function of SiO2 layer in fabrication 17. 3 questions on ODD MAN OUT

HCL, L&T,

2 4536

how to calibrate a control valve?

Reliance, Telecon Systems,

7 60016


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

What is frequency factor in massflow meter? When using frequency output?

1158


How to calibrate Toxic gas detector?

1054


How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.

1409


Explain the difference between plc and cnc?

411


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

1140






all types of liquid analyzer principle with drawing?

1381


How to convert Differential pressure to flow in TPH

1570


sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

1821


What is sensitivity in vibration probes..?

867


Boolean algebra

1547


please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

1493


Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

1664


In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

1261


WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

1319


Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system

946