The Crude Distillation Unit (CDU) is the first processing unit in a refinery where crude oil is separated into different fractions based on boiling points. Below are key interview questions with detailed answers. ✅ General Process Questions 1️⃣ What is the ...
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The CCR unit is a vital process in a refinery that converts low-octane naphtha into high-octane gasoline blending components, known as reformate. The main purpose of a CCR unit is to increase the octane number of the naphtha ...
🔹 Radiography in Oil & Gas (NDT) 🏭📸 Radiography is a non-destructive testing (NDT) method used in the oil & gas industry to inspect the internal structure of welds, pipelines, pressure vessels, and other components without damaging them. It uses X-rays ...
An Isomerization Unit in a refinery is a process unit used to convert straight-chain hydrocarbons (mainly naphtha) into branched-chain hydrocarbons to increase their octane rating. This process is particularly important for improving the quality of gasoline, as higher-octane fuels are ...
🔹 The stripper column removes:✔ H₂S & NH₃ – Prevents poisoning of downstream catalysts.✔ Light hydrocarbons – Improves product stability
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P&ID stands for Piping and Instrumentation Diagram. It is a detailed graphical representation used in industries like chemical processing, oil and gas, power generation, and manufacturing to show the piping, equipment, instrumentation, and control systems in a process plant or ...
To calculate the capacity of a tank, you need to determine its volume based on its shape and dimensions. The capacity is typically expressed in liters, gallons, or cubic units. Here’s how to calculate it for common tank shapes: ### 1. ...
