Latest
Top 50 CEMS Interview Questions Top 50 CEMS (SOx/NOx/CO/Opacity) Interview Questions & Answers Part 1: CEMS Fundamentals 1. What is a Continuous Emission Monitoring System (CEMS)? A CEMS is a...
Flow Element Selection for Multiphase Fluids Multiphase Flow Guide Introduction Element Types Parameters Compare Guide Interactive Guide: Selecting Flow Elements for Multiphase Fluids An application...
IN InstruNexus – Shutdown Preparation Guide How to prepare for a plant shutdown as an instrumentation technician & operator Plant Shutdown Readiness How to Prepare for a Plant Shutdown –...
Interactive Guide to Cascade Control Interactive Guide to Cascade Control An explorable guide to understanding a powerful process control strategy. Introduction How It Works Simulation Tuning &...
How to Answer “Why Should We Hire You?” (Engineer vs. Technician) — InstruNexus IN How to Answer “Why Should We Hire You?” (Engineer vs. Technician) www.instrunexus.com • A practical, oil &...
Interactive Overview: HIPPS HIPPS Overview Introduction Architecture Scenarios Comparison Applications IntroductionArchitectureScenariosComparisonApplications What is a HIPPS? This application...
Phase 1 — Hazard & Risk Assessment | IEC 61511 Verification Checklist Phase 1 — Hazard & Risk Assessment (IEC 61511) Verification Checklist — 25 Items • InstruNexus Print / Save PDF Enable...
ISO 5167 Quiz ISO 5167 Flow Measurement Quiz Test your knowledge on Orifice, Venturi, and Nozzle design. Submit Quiz Reset...
ISO 5167 Interview Guide (Orifice, Venturi, Nozzle) ISO 5167 Design & Calculation Guide Top 50 Interview Questions & Answers Table of Contents Purpose of ISO 5167? Main Parts of ISO 5167?...
Question and Answer
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...
Top 50 Advanced DCS Interview Questions and Answers Top 50 Advanced DCS Interview Q&A For Experienced Control System Engineers...
Troubleshooting Pressure Instruments – Top 25 Interview Questions Troubleshooting Pressure Instruments – Top 25 Interview Questions & Answers 1. What are the first steps you would take when...
✅ Using Pressure Instruments in Hazardous Areas – Top 25 Interview Questions & Answers 1. What is a hazardous area? A hazardous area is a location where flammable gases, vapors, or dusts are...
Top 20 NAMUR NE43 Interview Q&A Top 20 NAMUR NE43 Interview Questions & Answers 1. What is NAMUR NE43? NAMUR NE43 is a recommendation published by the NAMUR organization that standardizes...
🌟 What is Live Zero in Pressure Transmitters? – Top 15 Interview Q&A Understanding Live Zero is crucial for instrumentation professionals. In interviews, questions around live zero, signal...
Differential Pressure in Filters and Strainers: Your Top 15 Interview Questions Answered For anyone working in industrial processing, manufacturing, or maintenance, a thorough understanding of...
Pressure Drop Calculation Across Instruments: Ace Your Interview with These Top 10 Q&As In the world of process control and instrumentation, a thorough understanding of pressure drop is paramount...
Overpressure Protection: Top 20 Interview Q&A Explained Navigating the critical field of process safety, a thorough understanding of overpressure protection is paramount for any engineer. Whether...
Tools and Calculators
Junction Box Calculator Junction Box Requirement Calculator Enter your I/O details and configuration to determine the required number of JBs. 1. Select System Type DCS IPS FGS 2. Total I/O Counts...
DCS/IPS System & Cabinet Calculator DCS/IPS System & Cabinet Calculator Estimate your hardware needs based on I/O counts. ⚙️ Configuration AI Ch/Module AO Ch/Module DI Ch/Module DO Ch/Module...
Advanced Instrumentation I/O Calculator Advanced I/O Calculator Calculate standard and F&G device I/O with IS/Non-IS breakdown. I/O Configuration Instrument Type Qty Analog In (AI) Analog Out...
Reynolds Number Calculator Reynolds Number Calculator Fluid Density (ρ) in kg/m³: Fluid Velocity (v) in m/s: Pipe Diameter (D) in meters: Dynamic Viscosity (μ) in Pa.s: Calculate Reynolds Number...
4-20mA Calculator 4-20 mA Calculator Convert Process Value (%) to Current (mA) Process Value (0-100%) Current Value 4.00 mA...
Pressure Transmitter Range Calculator Pressure Transmitter Range Calculator Process Pressure – Minimum: Process Pressure – Normal: Process Pressure – Maximum: Design Pressure: Select...
DP Level Transmitter Range Calculator DP Level Transmitter Range Calculator Select Tank Type: Open TankClosed Tank (Dry Leg)Closed Tank (Wet Leg / Suppression) Measurement Range (H): The distance from...
Cable Conductor Size Calculator Cable Conductor Size Calculator Current (A): Distance (One-way, meters): Voltage (V): Voltage Drop (%) Allowed: Phase: Single PhaseThree Phase Conductor Material:...
Back to Basics
Interactive Report: The Piezoresistive Effect in Pressure Transducers Piezoresistive Transducers How...
Functional Safety
Case Study: Implementation of the Functional Safety Life Cycle in Oil & Gas Project:...
Partial Stroke Test: Implementation, Compliance, and Reliability Optimization 1. Executive Summary...
SIL Loop Testing & IEC 61511 Compliance Report Comprehensive Research Report: SIL Loop Testing...
Interactive Overview: HIPPS HIPPS Overview Introduction Architecture Scenarios Comparison...
Roadmap for Professionals to Get Certified Functional Safety Expert (CFSE / FSEng) Roadmap for...
zIEC 61508: A Comprehensive Framework for Functional Safety in E/E/PE Systems I. An Introduction to...
A Comprehensive Analysis of Alarm Management and the ISA-18.2 Standard Section 1: Executive Summary...
Interactive Fault Tree Analysis Explorer Fault Tree Analysis Explorer Fundamentals Methodology...
Interactive SIL Determination Application SIL Determination Hub Home Framework Calculator Lifecycle...
Section Title
Control Valve Phenomena Explained An interactive guide to Cavitation, Flashing, and Choked Flow in the Oil & Gas and Process Industries. 1. Introduction to Control Valves Control valves are...
How to Prepare Control Valve Data Sheets: An Interactive Guide × Field Details How to Prepare Control Valve Data Sheets: An Interactive Guide Click on any field in the tables below to get...
Guide to Control Valve Leakage Classes A Comprehensive Guide to Control Valve Leakage Classes Ensuring Safety, Efficiency, and Compliance in Process Industries Table of Contents Introduction What Is...
Guide to Control Valve Characteristics Control Valve Characteristics Selecting the Right Flow Characteristic for Optimal Process Control Table of Contents 1. Introduction 2. What Are Characteristics?...
Comprehensive Guide to ESD Valve Maintenance Comprehensive Guide to ESD Valve Maintenance Sustaining Performance in Oil & Gas and Process Industries Table of Contents 1. Introduction 2...
A Guide to Selecting Control Valve Packing Material How to Select the Right Packing Material for Control Valves An essential guide for performance, compliance, and reliability. Table of Contents 1...
Balanced vs. Unbalanced Control Valve Trims Control Valve Trims Understanding the Core Differences Between Balanced and Unbalanced Designs What is Valve Trim? Control valves are essential components...
Quiz - Multiple Choice Questions (MCQs)
Wireless Instrumentation Quiz Wireless Instrumentation Quiz A 50-question quiz on wireless...
Gas Chromatographs in Process Industry: Top 50 Interview Q&A Process Gas Chromatograph...
Top 50 MCQs: Online Analytical Instrumentation Quiz Online Analytical Instrumentation Quiz Test Your...
Top 30 MCQs: Sample Conditioning Systems for Analazyers Quiz Sample Conditioning Systems (SCS) Quiz...
Top 50 MCQs: pH, Conductivity & TOC Analyzers Quiz pH, Conductivity & TOC Analyzers Quiz...
Fieldbus vs Profibus Quiz Fieldbus vs. Profibus Quiz Test your knowledge of two prominent industrial...
Loop Checking and Troubleshooting Quiz Top 30 Loop Checking and Troubleshooting Quiz Test your...
Field Instrument Calibration Procedures – MCQs Quiz Test Your Knowledge: Field Instrument...
Control Panel Design & Wiring Quiz Control Panel Design & Wiring Quiz For Field...
Interview Preparation
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Flow
25 Key Questions to Guide Your Flow Meter Selection Choosing the right flow meter for your application is a critical decision that can significantly impact operational efficiency, product quality, and...
Top 25 Turbine Flow Meter Interview Questions & Answers for Beginners For those starting their careers in instrumentation and control, understanding the principles and applications of various...
25 most frequently asked interview questions about Magnetic Flow Meters (Magmeters), categorized for clarity. The answers provided are what a well-prepared candidate should aim to deliver. Category 1:...
Instrumentation Interview: 25 Essential Questions and Answers for Troubleshooting Flow Transmitters In the world of industrial automation and process control, the accurate measurement of fluid flow is...
Common Flow Meter Problems and Their Solutions: 25 Interview Questions & Answers Category 1: Foundational Knowledge 1. What are the most common types of flow meters you have worked with? Answer: I...
Ace Your Flow Meter Interview: 25 Key Questions and Answers, Plus Insider Tips A thorough understanding of flow meters is a critical skill for instrumentation and control engineers, technicians, and...
Restriction Orifice (RO) Plate Sizing Calculator Restriction Orifice (RO) Plate Sizing Calculator Flow Rate (Q) in m³/s Pipe Inner Diameter (D) in meters Fluid Density (ρ) in kg/m³ Desired Pressure...
Flow Measurement Quiz Flow Measurement Multiple Choice Quiz Select the best answer for each question and click “Submit Quiz” at the bottom to see your score. Submit Quiz Quiz Results...
Quiz: DP Flow Meters and Orifice Plates Quiz: DP Flow Meters and Orifice Plates Submit Quiz...
Section Title
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