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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what is diff between the motor and pump

HCL,

10 32293

What is the differaence between PLC and DCS?

6 18681

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

1 6926

How to force the bit in GE Mark V?

1 4495

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

3 7327

please send the drdo exam paper

DRDO,

2389

what is difference between modbus & fieldbus

ABB,

1 24783

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 7333

all types instrumentation questions want

Bhel, Descon, HBL Power Systems,

2188

why twisted pair of wires is used in instrumentation ?

ONGC,

6 24316

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

ONGC,

3 11282

difference between null and deflecting instrument.

ONGC,

5 58478

calibration of instruments.

ONGC,

11 20370

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 5910

how to calibrate a control valve?

Reliance, Telecon Systems,

7 63801

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Un-Answered Questions { Instrumentation }

How can i copy program (parameter) from mm440 (V.F.D.) by using BOP?

2725

In bently nevada vibration monitoring system,what is the reason to maintain the Resistance of the probe + extension cable equal to 95 ohm? If possible explain the basic principle of measurement with detail electronic circuits.

2957

Type of level transmitter commnly used in Procees area are the following. a.________________This type of level transmitter works as follows

2110

what is isloted barrier how it works and what are the main purpose.how it make safe area.

2132

what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

2535

kindly sent some demo question and answer

2069

a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error

2281

what is droop in governer ,type of droop ,how it work

2155

What are primary elements of measuring pressure?

1283

List three types Level Switches with their working principles

2135

what is the process to make control schematic ?

2247

Which type of diaphragm use in costic line, dm water line, natural gas line, oil line?

1166

Explain the working of an electronic level troll.

1096

Name different parts of a pressure gauge.

1126

which type inter lock use in petrochemical refinery,and oil & gas?

3025

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