Thermax Limited Mechanical Graduate Engineer Trainee Interview Questions and Answers

Gender Diversity in industry or organisations

Reasonings and aptitude

Q1. Difference Between Altornators and Generators
Ans. 
Alternators produce AC current while generators produce DC current.
• Alternators use a rotating magnetic field to generate alternating current (AC)

• Generators use a stationary magnetic field to generate direct current (DC)

• Alternators are more efficient and commonly used in modern vehicles

• Generators are simpler in construction but less efficient than alternators
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Q2. Why the transmission line are in the multiple of 11? Like 11kV 22kV 33kV
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Q3. Why we use ac apliances instead of dc apliances in our homes?
Ans. 
AC appliances are used in homes because AC can be easily converted to different voltages, making it more versatile for household use.
• AC can be easily converted to different voltages, making it more versatile for household use

• AC is more efficient for long-distance power transmission

• AC allows for the use of transformers to step up or step down voltage as needed

• AC motors are simpler and cheaper than DC motors for many app
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Q1. Difference between pump and turbine ?
Ans. 
Pump is used to move fluid from one place to another, while turbine converts fluid energy into mechanical energy.
• Pump increases the pressure of a fluid and moves it from one location to another.

• Turbine converts the kinetic energy of a moving fluid into mechanical energy.

• Pumps are commonly used in industries for fluid transfer, while turbines are used in power generation.

• Examples of pumps include centrifugal pumps and d...read more
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Q1. Tell me about your projects.
Ans. 
I have worked on various projects during my engineering studies, including a solar-powered car prototype and a smart home automation system.
• Solar-powered car prototype: Designed and built a small-scale model of a car that runs on solar energy. Conducted experiments to optimize the efficiency of the solar panels and battery storage.

• Smart home automation system: Developed a system using Arduino and sensors to automate va...read more
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Q2. Have you worked with any Database.
Ans. 
Yes, I have worked with databases.
• I have experience working with SQL and NoSQL databases.

• I have worked with MySQL, MongoDB, and Oracle databases.

• I have experience in creating and managing databases, writing queries, and optimizing performance.

• I have also worked with data migration and integration between different databases.
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Q3. How to select top 10 records (using SQL) from a table?
Ans. 
How to select top 10 records (using SQL) from a table?
• Use SELECT statement with ORDER BY clause

• Add DESC keyword to sort in descending order

• Use LIMIT or FETCH FIRST clause to limit the number of records
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Q4. Can we have multiple inheritance in Java? How?
Ans. 
Yes, Java supports multiple inheritance through interfaces.
• Java does not support multiple inheritance through classes

• Interfaces can be used to achieve multiple inheritance

• A class can implement multiple interfaces

• Example: class A implements Interface1, Interface2
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Q1. Do you have any plans for higher studies?
Ans. 
Yes, I have plans for higher studies.
• I am interested in pursuing a Master's degree in Mechanical Engineering.

• I have already started researching potential universities and programs.

• I plan to specialize in the field of renewable energy.

• Higher studies will provide me with advanced knowledge and skills to excel in my career.

• I believe that continuous learning is essential for professional growth.
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Q2. Why do you want to join our company
Ans. 
I want to join your company because of its strong reputation in the industry and the opportunities for growth and development it offers.
• Strong reputation in the industry

• Opportunities for growth and development

• Alignment with company values and culture
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Q1. Basic branch related questions, example is Electronics bg: aec,ld,ckt theory
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Q2. Interested domain and question on it
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Q3. Personal interests ,hobbies
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