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Instrumentation Interview Questions
Questions Answers Views Company eMail

what is diff between the motor and pump

HCL,

10 26313

What is the differaence between PLC and DCS?

6 14632

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

1 5424

How to force the bit in GE Mark V?

1 2991

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

3 4984

please send the drdo exam paper

DRDO,

1530

what is difference between modbus & fieldbus

ABB,

1 22239

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 4672

all types instrumentation questions want

Bhel, Descon, HBL Power Systems,

1218

why twisted pair of wires is used in instrumentation ?

ONGC,

6 19980

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

ONGC,

3 8877

difference between null and deflecting instrument.

ONGC,

5 45449

calibration of instruments.

ONGC,

11 12898

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 3882

how to calibrate a control valve?

Reliance, Telecon Systems,

7 58221


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Un-Answered Questions { Instrumentation }

what diffrence b/w plc s7200,300,400

1222


Give 2 application of quartz crystal used for process parameter measurement.

1009


how can i calibrate the temperatuture gauge used by temperature bath(dry block) i mean step by step procedure?

749


What is the working principle of the magnetic meter?

187


What is feed factor and its Importance in cement industry? How we can solve feed factor?.

2646






What is the difference between working pressure and calibration pressure of a control valve

2095


what is the electrical operation procedure for switching on 27.6MVA electric furnace.

1160


How hart protocol can be connected with control valves?

159


What are different types of cable?

171


KAlman filter code for two dimension?

1103


while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?

807


What is the difference between modbus,fieldbus & profibus

1393


Explain the working principle of lvdt?

187


Q1]IF THE RANGE FOR FLOW IS -35 TO 125 WHAT WILL BE THE SPAN FOR ABSOLUTE AND FOR NORMAL? Q2]HOW TO CALIBRATE CAPILLARY TYPE LT? Q3]HOW MANY ERROR CALCULATIONS ARE THERE USED IN PROCESS INDUSTRIES? Q4]HOW TO CALIBRATE TEMPERATURE TRANSMITTER? Q5] HOW TO CALIBRATE LEVEL TROLL AND HOW TO CONNECT? Q6]PLEASE TELL ME THE BASIC FOR INSTRUMENTATION WHICH IS APPLIED FOR CALIBRATION AND FOR ALL? PLEASE MAIL THE ANSWER TO honest_yes@yahoo.in

1047


Q-Explain the different load conditions that will produced different offset which may or may not be acceptable to thhe control function

1288