Dhrangadhra Chemical Works Graduate Trainee Interview Questions and Answers

Q1. What re the different type of losses in pipes?
Ans. 
Different types of losses in pipes include frictional losses, sudden contraction/expansion losses, and bend losses.
• Frictional losses occur due to the resistance of the fluid flow against the pipe walls.

• Sudden contraction/expansion losses happen when the pipe diameter suddenly changes, causing turbulence and energy loss.

• Bend losses occur when the fluid flow changes direction, leading to additional resistance and energy
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Q2. What is mechanical engineering?
Ans. 
Mechanical engineering is a branch of engineering that involves the design, analysis, and manufacturing of mechanical systems.
• Involves designing and analyzing mechanical systems such as engines, machines, and tools

• Focuses on principles of mechanics, materials science, and thermodynamics

• Applications in various industries like automotive, aerospace, and manufacturing

• Examples include designing a car engine, optimizing a m...read more
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Mild level question were asked not too hard

Q1. Intro Sfd bmd although a hr round Family Sports Why to join Eager or not Situation based questions
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Q2. Same as earlier mentioned
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Automation Vs. Manual work at industries

Q1. Baiscally about projects, management about work
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Q1. What is Heat Transfer
Ans. 
Heat transfer is the process of energy moving from a warmer object to a cooler object.
• Heat transfer can occur through conduction, convection, or radiation.

• Conduction is the transfer of heat through direct contact, like a metal spoon getting hot in a pot of soup.

• Convection is the transfer of heat through the movement of fluids, like boiling water in a pot.

• Radiation is the transfer of heat through electromagnetic waves,
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Q2. How distillation column works
Ans. 
Distillation column separates components of a liquid mixture based on differences in boiling points.
• Works on the principle of vapor-liquid equilibrium

• Liquid mixture is heated to create vapor, which rises through column

• Vapor condenses at different heights based on boiling points, separating components

• Components are collected at different points of the column

• Commonly used in oil refineries to separate crude oil into diff
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Q3. What is differnce between conduction, convection, radiation?
Ans. 
Conduction is heat transfer through direct contact, convection is heat transfer through fluid movement, and radiation is heat transfer through electromagnetic waves.
• Conduction: Heat transfer through direct contact of particles. Example: Touching a hot pan.

• Convection: Heat transfer through fluid movement. Example: Boiling water in a pot.

• Radiation: Heat transfer through electromagnetic waves. Example: Feeling the warmth
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Q4. What is absorption
Ans. 
Absorption is the process of taking in or soaking up something.
• Absorption can refer to the process of a substance being taken in by another substance, such as a sponge absorbing water.

• In the context of finance, absorption costing is a method of allocating all costs to the cost of production.

• In the context of pharmacology, absorption refers to the movement of a drug from its site of administration into the bloodstream.
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Q5. About heat exchangers
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Q1. Asking about core subjects
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Q2. Tell me about your self What are your favourite subjects
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Q1. Discuss about package
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They gave us a topic and we have to present our views one by one

Q1. They asked about my research project
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Q1. It was a personality test round
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Q2. They asked about the incident where i showed my leadership skills
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