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

Instrumentation Interview Questions

Questions Answers Views Company eMail

hi! i want to know about mpse exam.

2237

pls provide me syllabus and old question paper of instrumentation engineering for GET(JSPL)

2204

Explain the working principle of variable frequency drive?

ABB,

3437

Describe all types and levels (4-20mA, 0-10V, mV, pulse, etc.)of analog and digital I/O used in process control application.

Jindal,

2 7856

if the t/c o/p is 4-20mv then how plc recognize it because we are dealing with the 4-20ma in the plc ????????????????

7 10850

any body please send me the old question papers of ongc test.

NTPC,

2062

what is metal of piston ring

MahaGenco,

1868

what is the diffrence between mmwc and kg/cm2 for pressure measurment when we are using mmwc and when kg/cm2 and why????? ?? what is the reason

Ecoboard, Jindal, Sepco,

19 203767

Why using negative voltage in vibration measurement?

2 7902

1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

4 10589

what are the levels of automation?

1 4396

[ MITUTOYO / TESA / KUMAUN / MAHR / BRITOOL / TOHNICHY / DIATEST-GERMANY / IMADA / TECKLOK / SYLVAC /ADITYA=ACCURATE / BAKER/ CRYSTAL / FLUKE-RAYTEK ETC. 5.=SUPPLY= VERNIER CALIPERS / MICROMETERS / HEIGHTGAUGES / SLIPGAGE / BORE DIAL GAUGES / MEASURING PINS / TORQUE WRENCHES / GAUGES.. PLUGGAUGES / RINGGAUGES / SHORE A / D HARDNESS TESTERS / DIAL THICKNESS GAUGE / FEELER GAUGES / ELECTRONIC COMPARATORS WITH PROBES / DFTMETERS / SURFACE ROUGHNESS TESTERS / DIGITAL= COATING THICKNESS METERS / PROFILE PROJECTORS /.. WE ARE ALSO DEAL IN == DIGITAL TACHOMETERS / =MULTIMETERS! / VIBRATION METERS / MEGERS- INSULATION METERS / =TE! MPRATURE INDICATORS / SOUND-LEVEL METERS / ETC... =AGENCY- FLUKE- RAYTEK.. MECO....LUTRON...KYORITSU....RION

2530

what is meant by calibration

3 9408

If the average power during generation is zero, why do the analog meters have + and - ?

Siemens,

1 4727

I want to measure bidirectional steam flow? Kindly suggest me a suitable flow meter. steam is superheated at 41kg/cm2, 350°C

2 6513

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Un-Answered Questions { Instrumentation }

What is the difference between mmwc and mmwg?

1331

What is ultrasonic flowmeter?

1048

What are primary elements of measuring pressure?

1234

Hi Friends , i need one urgent help , i am preparing for M.tech entrance examination , i need some obejective questions related to instrumentation field. where can i get those ? can anyone help me pls ?

1899

How we connect a instrument with ground, Give brief explanation with help of diagram?

2055

Square root calculation for dp flow transmitter?

1177

how many types of preheaters are in cement industry & what r they can any body explain?

1719

what is the calibration procedure for transweigh make weigh feeder?

3965

what is performance test.need defination

1669

What do you know about gail?

2434

A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

1312

How many ohms are required for proper earthing?

1050

please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com

1791

KAlman filter code for two dimension?

2018

is motorized valve closed when power shutoff?

1668

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