All articles

300+ Instrumentation Engineering Interview Questions – Part 2

1. What is RTD? RTDs (Resistance Temperature Detector) are temperature detectors whose resistance changes as the...

300+ Instrumentation Engineering Interview Questions – Part 1

1.Define Instrumentation Engineering? Instrumentation engineering is a branch of engineering that focuses on the principles...

What are alarm, trip point, and alarm priority in DCS & PLC?

What is a process alarm in Control System? An alarm system is created to govern...

What are the components involved in a Fire Alarm system?

A fire alarm system would provide protection for life and property. The major purpose...

Calibration of I to P Converter (Current to Pressure Transducer)

Table of ContentsBasic Operation of Current to Pressure Transducer:Typical Input and output configuration for...

What are Five Point calibration and its basics?

Table of ContentsWhat are five-point calibrations?Static error:Dynamic Error:What are measurement lag and fidelity?Basics of...

P & ID Symbols

Table of ContentsWhat is P & ID?Valve PID Symbol:Line PID Symbol:Instrument PID Symbol:Mechanical PID...

Calibration, Troubleshooting and Installation of Capacitance Type Level Transmitter

Table of ContentsPrinciple of capacitance type level measurementLRV & URV adjustment of capacitance type...

Procedure for replacement of Valve Stem Packing

Table of ContentsWhat is valve stem packing and why it is required?Selection criteria for...

Checklist to Carry out PLC Preventive Maintenance Activity

Table of ContentsBackup the PLC program logic:Check LED Indicators:Replace the Battery:Check Operating Environment:Check Operating...

What is a Fire alarm control panel and how does it work?

Table of ContentsIntroduction to fire alarm system:Fire alarm control panel:What are the major components...

What are Dry Contact and Wet Contact and their differences?

Table of ContentsWhat is Dry Contact?How to connect a dry contact relay?What are the...