Dhrangadhra Chemical Works Production Engineer Interview Questions and Answers

General methametics and basics of chemical engineering

Q1. Fluid dynamics heat transfer material balance
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Q2. Plant safety and quality control
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Q1. Personal details and general HR questions
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Q1. Job for Berger paint company
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Q2. 2 years experience
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Q1. Production department, Production Chamistra , Quantity Control Analysis
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Q2. Job in Paint Industry
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About production Department Knowledge

Q1. About Last company knowledge
Ans. Hello mam , I Have 2.5 Years Experience in Production Department from Hitachi Astemo Chennai Pvt Ltd. That is automobile Industry.
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Q2. What making in HITACHI ASTEMO CHENNAI PVT LTD
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HITACHI ASTEMO CHENNAI PVT LTD is involved in manufacturing various products and providing engineering solutions.
• HITACHI ASTEMO CHENNAI PVT LTD manufactures a wide range of products such as industrial machinery, automotive components, and electronic devices.

• They provide engineering solutions for various industries including manufacturing, automotive, and electronics.

• The company focuses on innovation, quality, and custo...read more
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Q3. Why Resign Giving in Last Company
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Q1. Basic about pump and valves
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Q2. Mainly about distillation
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Aptitude was very easy and we can easily answer all the questions

A very general topics were asked and need to speak in discipline

Q1. It was most tough round and mostly students were eliminated in this round
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Q2. The pressure of pump required to flow a liquid from bottom to up?
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The pressure required depends on the height of the liquid column and its density.
• The pressure required is directly proportional to the height of the liquid column.

• The pressure required is also affected by the density of the liquid.

• The pressure can be calculated using the formula P = ρgh, where P is pressure, ρ is density, g is acceleration due to gravity, and h is height of the liquid column.

• The pump should be able to ...read more
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Q3. What is present above the distillation tray?
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Vapor space is present above the distillation tray.
• The vapor space is where the vapor from the boiling liquid accumulates.

• It is important to maintain a certain level of vapor space to prevent flooding of the tray.

• The height of the vapor space can be controlled by adjusting the reflux ratio.

• The vapor space can also be used for heat transfer by introducing a cooling medium.

• Examples of equipment present in the vapor space
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Q1. How to design heat exchanger?
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Designing a heat exchanger involves determining heat transfer requirements, selecting appropriate materials, and optimizing the design for efficiency.
• Determine heat transfer requirements based on the fluids involved, flow rates, and temperature differentials.

• Select appropriate materials based on the compatibility with the fluids, operating temperatures, and pressure requirements.

• Optimize the design for efficiency by co...read more
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Q2. What is enthalphy?
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Enthalpy is a thermodynamic property that represents the total energy of a system, including internal energy and the amount of energy required to create or release the system.
• Enthalpy is denoted by the symbol H and is expressed in units of energy (such as Joules or calories).

• It is defined as H = U + PV, where U is the internal energy of the system, P is the pressure, and V is the volume.

• Enthalpy change (ΔH) is commonly...read more
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Q1. About your privious company related questions and your field related questions must be prepared.
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Q1. Your current salary and expected salary discussion Why change your privious company Are you comfortable with bond sign for 2-3 year? Etc ....
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