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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what are the use of belew gear in general ??

2003

why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??

1 7558

what is difference between RTD , thermo couple and thermistor in general ?? (except temperature co-efficient )

Bilt,

5 19337

how bolometer is used in temperature measurement ??

1 4730

what is difference between wheatstone bridge, pirani gauge and strain gauge ??? explain its principle and working

4 11348

what is difference between 3 wire and 4 wire RTD sensor?

HTA Instrumentation,

12 43857

Can we use thermocouple in generator of power station replace RTD(pt 100)? if we don't have any place for use RTD.

2 5550

THE OUTPUT OF A CURRRENT TRANSMITTER OR A PNEUMATIC TRANSMITTER HAS A LIVE ZERO?EXPLAIN

2 5749

Calibration procedure for Electro magnetic Flow meter

Reliance,

4486

what u mean by speed control in turbin? how it was working?

2 7969

what r all the closed loop used in boiler? for this related tell some web address..

3 8389

what r all the type of viberation measurement measuring in turbin? what's the output of viberation sensor?

2 7102

calculate the rane of level use of this values, h=3 meter density=0.9 , whats the rang?

2 6693

EXPLAIN SOME IMP QUESTIONS AND ANSWERS ON TOPIC ELECTRONICS,INSTRUMENTATION.........

ONGC,

1 6373

what is the best method to measuring level in high pressure and temperture thank?

4 8473

Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

How flow can be measured with dp?

1138

how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

2685

What is the difference between modbus,fieldbus & profibus

2425

POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?

2292

How to decrease opening & closing time of on/off valve?

1509

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

1940

If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?

2088

Describe the functions of the Operator Interface including the considerations related to alarming and display layout/configuration/layers.

2080

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

2256

What is difference of fanuc alpha series 16i and 18i controller.also what is differnce betn TC and MC controller

2365

How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.

1709

Calibration of controller (pneumatic)

1976

What are different types of control valves?

1603

Coal mill Instruments Equipments for cement plant And process diagram ?

2926

defination of radial vibration?

2269

For More Un-Answered { Instrumentation } Questions Click Here