Air Liquide Graduate Engineer Trainee (Get) Interview Questions and Answers

Test will be conducted only if it is campus selection.

Q1. What is the inverse of density?
Ans. 
The inverse of density is specific volume.
• Specific volume is the reciprocal of density.

• It represents the volume occupied by a unit mass of a substance.

• Specific volume is commonly used in thermodynamics and fluid mechanics.

• For example, the specific volume of water at 25°C and atmospheric pressure is approximately 0.001 m^3/kg.
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Q2. What are different modes of heat transfer?
Ans. 
Different modes of heat transfer include conduction, convection, and radiation.
• Conduction: Heat transfer through direct contact between objects or substances.

• Convection: Heat transfer through the movement of fluids or gases.

• Radiation: Heat transfer through electromagnetic waves, such as from the sun.

• Examples: Touching a hot pan (conduction), boiling water (convection), feeling the warmth of the sun (radiation).
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Q1. What is your family background?
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Q2. Tell me about yourself.
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Q3. HRs are incapable of taking interviews. They do not know proper English 🤭
Ans. If you know hindi or telugu, then just speak. Vishnu chemical HRs are just slaves of their company and very incompetent.
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Q1. Fundamentals of your technical
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Q2. Academic basic concepts, technical knowledge
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Q3. They will check your confidence how you response their questions
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Q1. Questions on projects or internship
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Q2. Questions on Extra skills,
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Q3. Core Technical questions
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Q1. Difference between list and tuple
Ans. 
List is mutable, tuple is immutable in Python.
• List can be modified, tuple cannot be modified

• List uses square brackets [], tuple uses parentheses ()

• List is used for collections of items that may change, tuple is used for fixed collections
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Q1. About kilns pregeater elevator and belt conveyors
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Q2. Slope percentage calculation of kiln Tan value in oil analysys Material and man power handling
Ans. 
The question covers slope percentage calculation of kiln, tan value in oil analysis, and material and manpower handling.
• For slope percentage calculation of kiln, we need to measure the height and length of the kiln and use the formula tan(theta) = height/length.

• Tan value in oil analysis is used to determine the acidity of the oil. It is calculated by dividing the acid number by the saponification number.

• Material and ma...read more
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Q1. How much Experience
Ans. 
I have 10 years of experience in software engineering, specializing in backend development and system architecture.
• 10 years of experience in software engineering

• Specialize in backend development and system architecture

• Worked on projects involving scalability and performance optimization
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Q2. Do you have any supervisor license
Ans. 
No, I do not have a supervisor license.
• I do not possess a supervisor license at the moment.

• I have not pursued obtaining a supervisor license in my career.

• My focus has been on technical expertise rather than supervisory roles.
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Q1. How to test of motors
Ans. 
Testing of motors involves various methods to ensure functionality and performance.
• Performing insulation resistance tests to check for any electrical faults

• Conducting load tests to measure the motor's performance under different conditions

• Checking for abnormal noise or vibrations during operation

• Inspecting the motor for any physical damage or wear

• Using thermography to detect overheating issues
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Q2. What is transformer safety relay's
Ans. 
Transformer safety relays are devices used to protect transformers from faults and overloads.
• Transformer safety relays monitor the electrical parameters of a transformer, such as current, voltage, and temperature.

• They can trip the transformer offline in case of a fault to prevent damage.

• Some common types of transformer safety relays include overcurrent relays, differential relays, and temperature relays.
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Q1. About the purchase field
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Q1. Technik question about purchase
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Q1. HR round asked persona question
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It will be of Medium difficulty

It's is consists of easy questions

Q1. 25 mins on coding 15 mins on aptitude 10 mins on communication
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