Instrumentation Interview Questions
Questions Answers Views Company eMail

What denotes the 5/8mm in the 3300XL 5/8mm proximitor probe?

220

Ega interview going on for power plant. Which type of question will asked. For questions

EGA,

252

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

163




Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

KOC,

211

Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

244

What is difference between radial vibration and axial vibration explain in detail .

Emerson,

183

What is sensitivity in vibration probes..?

Lanco,

262

what is the difference between magnetic flow meter and mass flowmeter

190




why I need valve guard and whats different between guard and positioner ??

179

I need to know steps to Calibration Valve Guard......

254

What is the cascade control

171

how to rectify the poor signal strength in utrasonic digtial flow meter ,model:ge digital xce868i

KNPC,

138

what is KV and XV valve

232

why would you like to join our company

Aramco,

141

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

Petronas,

53


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Un-Answered Questions { Instrumentation }

What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?

916


What is the diffrence between digital signal processing and discrete signal processing?

774


NPN transistor, SCR, Zener diode, LED, Varactor diode, Vortex meter, RTD, Resistor, Crystal

1073


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

911


Introduce yourself which is not present in your biodata?

1220






Draw block digram for well head from well to shipping pump?

1070


HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

987


what is KV and XV valve

232


what is the process to make control schematic ?

995


HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!

747


What is the purpose of the analyzer in petrochemical plant?

2597


what is effect of specific gravity in differential level transmitter , explain formula related with this .

558


Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.

1092


How it the difference between force balance system and dispalacement balance system?

762


What is the Working principle of Dozing valve?

887