HomeAuthorsPosts by Sundareswaran Iyalunaidu

Sundareswaran Iyalunaidu

With over 24 years of dedicated experience, I am a seasoned professional specializing in the commissioning, maintenance, and installation of Electrical, Instrumentation and Control systems. My expertise extends across a spectrum of industries, including Power stations, Oil and Gas, Aluminium, Utilities, Steel and Continuous process industries. Tweet me @sundareshinfohe
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Instrumentation Questions

Troubleshooting of Motorized Control Valve MOV Quiz with 25 Practical Engineering Questions

Why MOV Troubleshooting Skills Matter Motorized control valves are widely used in process plants for isolation, flow control, startup and shutdown operations. An MOV failure can affect production, equipment protection and plant safety. Engineers need to understand actuator operation, motor circuits, torque switches, limit switches,...
FAT Activities

What is Integrated Factory Acceptance Test (IFAT)?

Table of ContentsWhat is Integrated Factory Acceptance Test?Why is IFAT Important in Instrumentation and Control Systems?What Systems Are Tested During an Integrated Factory Acceptance Test?What is Tested During IFAT?What is the Typical IFAT Procedure?What Documents Are Required for IFAT?How is IFAT Performed in a...
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Instrumentation Calculators

Control Valve Stroke Length Calculator

Control valves function through modifications to the flow passage diameter which directs signal-controlled flow...
Control Valve

Essential Control Valve Performance Parameters

Table of ContentsDead Band & BacklashActuator-Positioner DesignResponse TimeValve TrimDead TimeGainHysteresisInherent CharacteristicShaft Wind-UpValve Capacity (Cv...
Interview Questions

Cause-and-Effect Diagrams in Process Industries: Test Your Knowledge

The Cause-and-Effect Diagram in Instrumentation and Control Engineering quiz welcomes you to its examination....
Instrumentation Calculators

Easy Pull-Up Resistor Calculator for PLC Inputs in Discrete Sensor Applications

Table of ContentsWhat is a PLC?What is a Pull-Up Resistor in PLC Applications?PLC Input...
Level Measurement

Step-by-Step Guide for Troubleshooting Radar Level Transmitters

Table of ContentsHow do you troubleshoot a radar level transmitter?Problem no.1: Power Supply IssuesProblem...
Instrumentation

Complete Guide to Interpreting Instrument and Electrical Drawings for Engineers

Table of ContentsHow to Read the Hookup DrawingHow to read the data sheet How to...
Interview Questions

Industrial Communication Protocol Interview Questions and Answers

Understanding of essential communication protocols, such as DeviceNet, Profibus, Modbus, and WirelessHART, by exploring...
Interview Questions

PLC (Programmable Logic Controllers) Interview Questions and Answers

Explore a wide range of PLC interview questions covering basic concepts, safety considerations, and...
Interview Questions

Top Industrial Automation & Control System Interview Questions

Learn the principles of instrumentation and control systems by answering a wide range of...
Interview Questions

300+ Industrial Automation & Instrumentation Engineering Interview Questions

Table of ContentsBasic Instrumentation and Control Interview Questions and AnswersField Instruments Interview Questions and...
Interview Questions

Essential Skills & Interview Questions for instrumentation and Control Engineers & Technicians

Interview Questions for Control Engineers / Technicians Prepare for interviews with questions tailored for instrumentation...
Interview Questions

Project Engineering (EPC) Interview Questions & Answers

Project Engineering (EPC) Interview Questions & Answers Unlock valuable insights with top interview questions covering...
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Instrumentation Questions

Troubleshooting of Motorized Control Valve MOV Quiz with 25 Practical Engineering Questions

Why MOV Troubleshooting Skills Matter Motorized control valves are widely used in process plants for...
FAT Activities

What is Integrated Factory Acceptance Test (IFAT)?

Table of ContentsWhat is Integrated Factory Acceptance Test?Why is IFAT Important in Instrumentation and...
Instrumentation Calculators

Control Valve Leakage Calculator

Table of ContentsControl Valve Leakage Calculator for Seat Leakage Testing What Is Control Valve Leakage?What...
Engineering

Common Instrument Loop Check Problems During Startup

Table of ContentsWhy Instrument Loop Checking Matters During StartupWhat Is an Instrument Loop Check?Why...