Top 30 PLC Basics Interview Questions and Answers Top 30 PLC Basics Interview Questions and Answers I. Fundamental Concepts 1. What is a PLC? A PLC, or Programmable Logic Controller, is a ruggedized industrial computer used to automate specific processes, machine functions, or even entire production lines. It continuously monitors...
Purdue Model for ICS Cyber Security: 30 Interview Questions & Answers Purdue Model for ICS Cyber Security 30 Comprehensive Interview Questions & Answers Part 1: Fundamental Concepts Part 2: Security Principles & Implementation Part 3: Advanced & Scenario-Based Questions © 2025 Instrunexus. All Rights Reserved...
DCS Architecture & Fundamentals Q: What is the fundamental difference between a DCS and a PLC? A: The core difference is architectural. A PLC (Programmable Logic Controller) is a centralized, standalone controller optimized for high-speed discrete logic and machine control. A DCS (Distributed Control System) is a process-oriented system...
Top 50 Advanced DCS Interview Questions and Answers Top 50 Advanced DCS Interview Q&A For Experienced Control System Engineers...
Top 10 Thermocouple Troubleshooting Tips for Field Engineers Thermocouples are the workhorses of temperature measurement in countless industrial applications. From massive furnaces to sensitive chemical reactors, these simple, robust sensors provide critical data for process control and safety. However, when a temperature reading goes awry, the humble thermocouple is often...
Correct Mounting Techniques for Surface and Immersion Thermocouples In the world of industrial processes, scientific research, and even everyday technology, accurate temperature measurement is not just a preference—it’s a necessity. From ensuring the safety of a chemical reactor to optimizing the efficiency of a furnace, precise temperature data is the...
Temperature Sensor Installation in Hazardous Areas: A Complete Guide Monitoring temperature is a fundamental requirement in countless industrial processes. From chemical reactors and oil refineries to grain silos and pharmaceutical plants, precise temperature control is crucial for efficiency, quality, and, most importantly, safety. When these processes involve flammable gases, combustible...
When it comes to industrial and scientific temperature measurement, two titans dominate the field: the Resistance Temperature Detector (RTD) and the thermocouple. Both are reliable and accurate, but their underlying principles and, crucially, their installation requirements differ significantly. Choosing the right sensor is only half the battle; installing it correctly...
Pyrometer Installation Guidelines for High-Temperature Applications In modern industries, from steel foundries and glass manufacturing to semiconductor fabrication and power generation, accurately measuring and controlling high temperatures is not just a procedural step—it’s the cornerstone of quality, efficiency, and safety. When contact-based sensors like thermocouples are impractical or impossible to...