Instrumentation Interview Questions
Questions Answers Views Company eMail

What is the use of double seated valve?

725

Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.

657

Why thermo wells are used?

1 954

Explain the mechanism behind the turbine meter.

683

How will you test a transistor with a multimeter?

622

What is the use of gauge?

679

How an rtd work, and what volts/current goes to a rtd to measure the resistance?

719

Which type of diaphragm use in costic line, dm water line, natural gas line, oil line?

687

What is the use of single seated valve?

581

How is automatic reference junction compensation carried out in temperature recorders?

630

How many ohms are required for proper earthing?

633

How would you choose differential range?

692

Why thermo wells are used? What materials are used in thermo wells?

641

What is the working principle of the magnetic meter?

617

How signals can be taken through modbus?

676


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Un-Answered Questions { Instrumentation }

how the arrangement of equipments done in control room

1584


what is difference between fork type and capacitance type level switch. where it is using

1921


if my flow is 20000 m3/h than which range of DPT i have to use????

1280


for oil & gas industries which zone is normally preferred? why? give its example?

1554


how to change measuring units from mmwc to cubm/h in rosemount air flow transmitter with hart communicator fluke 744

1913






we are having yokogawa centum cs3000 dcs in our power plant. i need some of the operator guides NOT to appear in HIS0163 AND HIS 0162 but it shoul appear in HIS0164 HOW TO DO IT?

2103


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.

1776


Hi, Is there any smart plant instrumentation design training institute in Bangalore?

1190


any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.

1934


How to do gas analysers calibration in AUTO and Manually by using zero and span gas?

1914


full process of gas turbin?

1547


How to calibrate the flow transmitter

1030


Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

1415


Introduce yourself which is not present in your biodata?

1951


What is the use of control cable?

673