Indorama Trainee Interview Questions and Answers

Q1. What are garbage collection
Ans. 
Garbage collection is a process in programming where the system automatically reclaims memory occupied by objects that are no longer in use.
• Garbage collection helps prevent memory leaks by freeing up memory that is no longer needed.

• It is commonly used in languages like Java, C#, and Python.

• Garbage collection can be either automatic or manual, with automatic being the most common approach.

• Examples of garbage collection ...read more
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Q2. What is singleton
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Singleton is a design pattern that restricts the instantiation of a class to one object.
• Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where only a single instance of a class is needed, such as database connections, logging, and thread pools.

• Implementation can involve a private constructor, a static method to access the instance, and a...read more
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Q1. How can you find iron or steel sample if there is same finishing same size same Whaight etc.but you don't have any machine to chake it
Ans. 
By using a magnet, iron sample can be distinguished from steel as iron is magnetic while steel is not.
• Use a magnet to check for magnetic properties - iron will be attracted to the magnet while steel will not

• Observe the rusting behavior - iron will rust more easily than steel

• Check the density - iron is denser than steel

• Perform a spark test - iron will produce more sparks than steel
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A relevant case scenerio or a Contemporary topic was chosen for discussion

Q1. Why did you choose the job?
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An exam used to determine an individual's skill or propensity to succeed in a given activity.

Q1. Which programing language do you use regularly in work?
Ans. 
I regularly use Python in my work for data analysis and automation tasks.
• Python is versatile and easy to learn

• Used for data analysis, automation, web development, etc.

• Examples: pandas, numpy, scikit-learn
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Q1. Why do you want to work in our company?
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Q2. What is greatest strength and weakness ?
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Q3. Why are you looking for change?
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Q1. What is UDL and point load
Ans. 
UDL stands for Uniformly Distributed Load and Point Load is a concentrated load applied at a single point.
• UDL is a load that is spread uniformly over a beam or slab.

• Point Load is a load that is applied at a single point on a beam or slab.

• UDL is measured in kN/m or kN/m² while Point Load is measured in kN.

• Examples of UDL include the weight of a slab or the weight of people on a floor. Examples of Point Load include a he
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Q2. Bending moment diagram
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Bending moment diagram is a graphical representation of the variation of bending moment along the length of a beam.
• Bending moment diagram is used to determine the maximum bending moment in a beam.

• It helps in designing the beam and selecting the appropriate material.

• The diagram is plotted by taking the distance along the beam as the x-axis and the bending moment as the y-axis.

• The bending moment diagram for a simply supp...read more
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Q3. Compressive strength of M15 concrete
Ans. 
Compressive strength of M15 concrete is 15 N/mm² after 28 days of curing.
• M15 concrete is a mix of 1:2:4 (cement:sand:aggregate) with a water-cement ratio of 0.5.

• The compressive strength of M15 concrete is tested after 28 days of curing.

• The strength can vary depending on factors like quality of materials, curing conditions, etc.
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Current topics discussed

Q1. Dyes type and mechanism
Ans. 
Dyes are substances that impart color to materials through a chemical or physical interaction.
• Dyes can be classified into natural dyes and synthetic dyes.

• Natural dyes are derived from plants, animals, or minerals.

• Synthetic dyes are chemically synthesized and offer a wide range of colors.

• The mechanism of dyeing involves the absorption of dye molecules onto the surface of the material being dyed.

• This can occur through ch...read more
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Q2. Machines in Industry
Ans. 
Machines are essential in industry for automation and efficiency.
• Machines can perform repetitive tasks with high accuracy and speed.

• They can also handle heavy loads and dangerous materials.

• Examples include CNC machines, robots, and assembly lines.

• Regular maintenance and safety protocols are necessary to ensure optimal performance and prevent accidents.
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Q1. What is Workin flexibility with you
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Q2. Would you able to work 12 hrs ?
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