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Instrumentation Interview Questions
Questions Answers Views Company eMail

Operational amplifiers

CCIE,

1003

What is the input impedence of an OPAMP as an ideal device.

CCIE,

1 2235

Boolean algebra

CCIE,

1224

Specific gravity.

CCIE,

1041

Conversions

CCIE, Nestle,

1220

Draw a P& ID showing – orifice flange, plate, dp transmitter, isolation & bypass valves and tubing.

CCIE,

1082

Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.

CCIE,

1035

Positioner usage.

CCIE,

1017

Emergency Shutdown Systems/ Plant Shutdown System.

CCIE,

1228

Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.

CCIE,

1042

How many are the types of instrument cables in terms of No. of pair.

CCIE, Samsung,

1261

What kind of feedback is used in DP cells.

CCIE,

1 2622

Exothermic reaction./ endothermic reaction

CCIE,

1021

Gas equation

CCIE,

1020

Galvanizing.

CCIE,

1012


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Un-Answered Questions { Instrumentation }

field bus transmitter calibration procedure tell me

880


How can we test a bently nevda 3500/42M accelerometer monitor card by simulating it with test equipment?. what king od of signal (milli volts or volts or or resistance ) we should feed in the terminals of the card?

1498


What is 3 element control system

531


principle of dead weight tester ?

1101


How to calibrate level transmitter with use of HART?

1720






what is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

1102


I was working on calibrating turbidity transmitters endress+hauser at effluent polishing plant.We calibrated using NTU buffers.What happened is that when we immersed the sensor, everytime we raise and lower the sensor gradually, the reading will vary.my question is that is there any specifications on what is the required distance from the bottom of the container with buffer to the face of the sensor?Is it ok to install the sensor in a medium which has turbulence specially if bubbles are present?

1313


what are the different types of Protocols? & their applications.

26693


it is possible to check the fail safe condition in pressure transmitter. if possible how?

437


Im having problems with interfase betwen SPI v7.0 and SPPID v5.05. Previous versions of Intools shoul be fixed with SPPIDproj.ocx file. It was necessary to replace this file with one that allows the connection between different versions of SPPID. It is necessary in the current version to do the same?Thanks

1386


why orfice is not used for main steam flow calculation

1189


What is zener diode? What is voltage regulator?

204


How to calculate P,I&D value in PID controller ?

1163


how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???

1440


Difference between dcs and plc including date processing and architecture.

177