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

Instrumentation Interview Questions

Questions Answers Views Company eMail

hello i'am samad.Any one Can help me! How to calibrate Vaccum Transmitter DP Type range 0 - 50 mbar abs by hand pump calibrator.

Bharathi Cement,

4 5902

Why Pressure Transmitter is NOT installed before up-stream of an ORIFICE PLATE? in a flow measurement.

Mecon,

4 9028

How RAL(Rotary air lock)works in cement industry?

Jaypee,

2499

What is the procedure of calibration of Load cell?

1924

How works weighfeeders in cement industry? what is the working principle?

2041

Describe the function of Accumulator into the Pump

1930

Which mechanical device is used in pressure gauges to reduce pulsating

4 7283

what effects a surging can produce in the compressor

Nemat,

1918

NSV type probe stands for

Qatar Petroleums,

2387

what is the function of 3 way manifold valve in a closed loop system?

Emerson,

1 13083

what is the difference between laminor flow and turbulant flow

Invensys,

2 6963

What is the main three inputs of DCS?

1 6631

What is the meaning of Feedback? How many types it is? Explain it?

Bharathi Cement,

2 5942

What is PDS and PDMS ?

2159

Why we are using DPT(Differential Pressure Transmitter) in separator instead of level trasmitter?

2290

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Un-Answered Questions { Instrumentation }

How to calibrate Magnetic flow Transmitter in Field

1270

Galvanizing.

1949

Explain the combusion chamber

2026

what is the difference between profibus and controlnet networking.

3223

Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

2240

components of control circuit belongs to control valve

1658

How can a d.p. Transmitter be calibrated?

1302

please send me the inteview questions in IOCL

2238

Explain signal isolator

1162

detail of mass flow meter pricipal

2302

Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?

1840

Explain operation of Haskel pump.

2161

what will the sending unit in the fuel gauge utilizes?

1911

What is zero elevation and zero suppression?

2168

why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

1953

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