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Instrumentation Interview Questions
Questions Answers Views Company eMail

what is Pre- commissioning.

Saipem, Takreer,

5 4065

what is positive displacement meter.

Takreer,

1 2358

can you give some devices that measure directly the mass flow rate.

Takreer,

1 2546

I am a instrument technician. recently i attend interview and face one of question for DP transmitter ,the client asking about the calibration of DP transmitter ,am answer the calibration procedure, they will ask one more question. why open LP side in atmosphere? i did not answer that question. so please help me and explain the particular question. Dear firends waiting for your valuable replay

Qatar Petroleums, Samsung,

3 3995

how level can be measured in open tank with reference to pressure

Atul, INOX,

1 1755

What is the difference between PLC and DDC?

Emami,

1470

Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 1814

What is mean by analytical instrumentation?

1072

What is calibration?

Syscon,

6 5078

What are the different types of thermistors used in industries? How to the operation of typical thermistor?

1144

How do you troubleshoot accelerometers used in Vibration monitoring/tripping

Air Liquide,

1 2225

What is the difference between fiber optic cable & Ethernet cable

BEMCO, CCC, Pidilite,

2 3945

how to calibrate motorized operated valve?

Bilt, Jubilant, SRF,

1 8608

What is open loop checking and close loop checking

BARC, NTPC,

1 3750

Differentiate between PLC, SCADA and DCS systems

Mumias Sugar, SRF, Trimula Industries,

1 3237


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

can you provide me full detail about instrumentation in ONGC??

1563


What is the difference between ff transmitter and non ff transmitter

1801


How can measure flow in oil line?which type of transmitter is generally used?

3278


how to calibrate steam control valve in steam turbine

2604


ORP sensor working principle?

1340






Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

1699


why orfice is not used for main steam flow calculation

1443


1- Explain about HPM 2- What is the FSC and explain the configuration of FSC 3- explain the complete loop of vibration, how it works (field to control room) 4- What is the use of proxymitter? 5- During job your partner effected with H2S then what you have to do. 6- what type of gland packing uses when valve glind is leaking.

2153


What is furnace draft control?

465


The Design Calculation of Level Transmitter For Different Structure open & Closed Vessel, Eg. Diff. Level Tx., Capacitance For Continous Operation

2168


HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.

1619


why is not useing in boiler skin thermocople

4088


what is the procedure for auto tune in masoneialn 12300 series displacer type transmitter?

1066


Turbidity analyzer working principle ?

1142


What is the use of temprature compensation?

548