Aegis Gas (LPG) Sales Officer Interview Questions and Answers

Q1. Explain All the laws of Thermodynamics
Ans. 
The laws of thermodynamics are fundamental principles governing energy and heat transfer in physical systems.
• First Law: Energy cannot be created or destroyed, only transferred or converted.

• Second Law: Heat naturally flows from hot to cold objects, and entropy tends to increase over time.

• Third Law: As temperature approaches absolute zero, entropy approaches a minimum value.

• Examples: A car engine converting fuel into mot...read more
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Q2. One should have good Engineeringskills
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Q1. Salary Expectation
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Q1. GI/MDPE Related Question
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Q1. About Self Introduction
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Q1. About Pipeline related codes
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Q2. Ndt related codes & criteria
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Q3. Tlp related standards
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Q1. About myself, present work, prior work, job details
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Q1. Confusing questions with no objective of selection and not relevant to the post
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Q1. Process Design related questions
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Q1. Previous work experience
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Q1. General questions regarding personal opinion
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Q1. 1. Introduce yourself
Ans. 
I am a Senior Chemical Engineer with expertise in process optimization and project management.
• Over 10 years of experience in the chemical engineering field

• Proficient in designing and implementing process improvements

• Strong knowledge of safety regulations and environmental standards

• Managed multiple projects from conception to completion, resulting in cost savings and increased efficiency

• Collaborated with cross-functiona...read more
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Q2. 2. How to calculate the line size
Ans. 
Line size calculation depends on flow rate, fluid properties, and pressure drop.
• Determine the required flow rate

• Determine the fluid properties such as viscosity and density

• Calculate the pressure drop based on the length of the line and the fittings used

• Select a line size that can handle the required flow rate with an acceptable pressure drop

• Consider factors such as cost and space limitations

• Use industry standards and g...read more
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Q3. 3. Between Kerosene and water what will you observe while using the same pump
Ans. 
The pump will observe both kerosene and water being pumped together.
• The pump will not be able to differentiate between the two liquids

• Both liquids will be pumped together in the same flow

• The mixture of kerosene and water may cause issues in downstream processes

• Separation techniques such as gravity settling or centrifugation may be required to separate the two liquids
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Q4. 4. Between H2 and N2 say for 100 kg/hr more pressure drop will be observed
Ans. 
H2 will have more pressure drop than N2 for 100 kg/hr
• H2 has a smaller molecular size than N2

• Higher flow rate leads to higher pressure drop

• This phenomenon is commonly observed in gas pipelines
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Q5. 5. If you have to enhance flow by twice what and all to considered during pipe sizing
Ans. 
To enhance flow by twice, pipe diameter needs to be increased by factor of 1.19 and velocity needs to be reduced by half.
• Increase pipe diameter by factor of 1.19

• Reduce velocity by half

• Consider the fluid properties and pressure drop

• Ensure the pipe material can handle the increased flow

• Check for any potential blockages or obstructions in the pipeline
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Q6. 6. If distillation column pressure goes slightly up and there is no flooding will the seperation prove
Ans. 
Slight increase in distillation column pressure without flooding will not affect separation
• Slight increase in pressure does not cause flooding which is the main factor affecting separation

• Separation efficiency may decrease slightly but not significantly

• Factors like temperature, feed rate, and composition also affect separation
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Q7. 7. Why do you want relocate from your Home city to Gurgaon
Ans. 
I want to relocate from my home city to Gurgaon for better career opportunities and professional growth.
• Gurgaon offers a thriving job market with numerous opportunities for chemical engineers.

• The city is home to several multinational companies and industrial hubs, providing a conducive environment for career advancement.

• Gurgaon has a well-developed infrastructure and is known for its modern amenities, making it an attr...read more
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Q8. 8. Why do you want to change your job profile from Process operation engineer to Process design engineer and how will you encounter this challenge
Ans. 
I want to change my job profile from Process operation engineer to Process design engineer because I am interested in the creative and analytical aspects of designing processes.
• I have always been fascinated by the process of designing and optimizing chemical processes.

• I enjoy problem-solving and finding innovative solutions to improve efficiency and productivity.

• I believe that my experience as a Process operation engin...read more
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Small aptitude test to check basic chemical engineering knowledge

Group discussion on a general topic

Q1. How does a tray function in a column
Ans. 
A tray functions in a column by providing a surface for the separation of different components in a process.
• Trays are used in distillation columns to separate different components based on their boiling points.

• They provide a large surface area for vapor-liquid contact, allowing for efficient separation.

• Trays can have various designs, such as bubble cap trays or sieve trays, to enhance separation efficiency.

• They can als...read more
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