Instrumentation Interview Questions
Questions Answers Views Company eMail

What is the use of double seated valve?

739

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

676

Why thermo wells are used?

1 983

Explain the mechanism behind the turbine meter.

696

How will you test a transistor with a multimeter?

636

What is the use of gauge?

696

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

736

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

707

What is the use of single seated valve?

602

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

647

How many ohms are required for proper earthing?

649

How would you choose differential range?

718

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

662

What is the working principle of the magnetic meter?

632

How signals can be taken through modbus?

692


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

Boolean algebra

1721


why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

2211


Give 2 application of quartz crystal used for process parameter measurement.

1586


Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor

1687


where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3081






why we are using magnet for calibration of gas detector?

1820


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

707


Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..

1404


how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.

2019


what is insdustrial vibration.who it works. give atleast 2 types of insdustrial vibration

1567


Can Any body tell me about the Contact or Email id of any good Consultancy which help me to find a job in Instrumentation Field in India .I have Six years of Work Experience in the Same field.Please revert me back on shammi_gwalior@yahoo.com ?

1466


What is the constant voltage unit?

642


1)How many tpes of vibration probe and how many tpyes of vibration. 2)how we can calibrate a vibration probe with tk3 3)what is RMS value in vibration measuring application and how we calculate it.

1900


How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

1683


centrifugal compressor interlock? Tell me the parameter at which compressor will trip

2692