Instrumentation Interview Questions
Questions Answers Views Company eMail

State bernoulli’s application.

710

What is zener diode? What is voltage regulator?

657

What is solenoid valve? Where it is used?

633

What materials are used in thermo wells?

648

How process line mpm calculation is done?

881

What is the constant voltage unit?

674

How d.p. Transmitter can be applied to close tank?

634

What is modbus?

702

What is furnace draft control?

653

How can a d.p. Transmitter be calibrated?

715

What is force balance principle?

729

What is difference between differential pressure & delta pressure?

642

Explain the working of an electronic level troll.

624

Explain the use of hair spring in the pressure gauge.

697

What are different types of control valves?

742


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

what is the difference between -24 : +24 & 0:24 and where it use?

1668


what is output of FOUNDATION FIELD BUS transmitter

1725


what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?

1543


How to decrease opening & closing time of on/off valve?

994


Give Detail information about plc,dcs,and scada system?

1295






List three types Level Gauges with their working principles

1673


What is the difference bitween control net scaner and device net scaner

2994


Square root calculation for dp flow transmitter?

692


this site is owned by an nonsense

1790


NSV type probe stands for

2006


Explain the working of an electronic level troll.

624


What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?

3477


What is cut off relay? And why use in PLC and DCS?

976


why we are using digital signals for I/O & how to measure this signals is getting or not ?

1575


anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me

5602