Indian Space Research Organisation Research Intern Interview Questions and Answers

Basic aptitude questions

DSA, Core Java, Spring and Spring Boot, React, Agile methodologies

Q1. Do178b, ARP4754
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Q1. Expectation and salay
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Q1. What are the different equations of thermodynamics ?
Ans. 
The different equations of thermodynamics describe the relationships between energy, heat, and work in a system.
• The first law of thermodynamics: ΔU = Q - W, where ΔU is the change in internal energy, Q is heat added to the system, and W is work done by the system.

• The second law of thermodynamics: ΔS ≥ 0, where ΔS is the change in entropy of a closed system.

• The ideal gas law: PV = nRT, where P is pressure, V is volume, ...read more
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Q1. Work experience
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Q1. Basic electrical engineering questions and ai deep learning basics
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Q1. Tell your experience about assembly tooling?
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Q2. How tooling elements you have designed and material selection?
Ans. 
I have designed various tooling elements and selected materials based on their properties and application requirements.
• Designed tooling elements for manufacturing processes such as injection molding, stamping, and machining

• Selected materials based on properties such as strength, durability, and heat resistance

• Considered application requirements such as cost, weight, and environmental factors

• Examples include designing i...read more
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Q3. Manufacturing process used?
Ans. 
We use a combination of CNC machining and injection molding for our manufacturing process.
• CNC machining is used for precision parts

• Injection molding is used for high volume production

• We also use 3D printing for prototyping

• Our manufacturing process is constantly evolving to improve efficiency and quality
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Q4. Surface finish requirement for tooling elements?
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Surface finish requirement for tooling elements is critical for achieving desired product quality.
• Surface finish affects the performance of the tooling element.

• It impacts the appearance and functionality of the final product.

• Surface finish is measured in Ra (roughness average) or Rz (roughness depth).

• The required surface finish depends on the application and material being used.

• For example, a mirror finish may be requi...read more
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Q5. What is GD&T and tell about some symbols you used?
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GD&T stands for Geometric Dimensioning and Tolerancing. It is a system of symbols and rules used to specify the geometry of mechanical parts.
• GD&T is used to ensure that parts fit together correctly and function properly.

• Some common symbols used in GD&T include concentricity, perpendicularity, and flatness.

• GD&T is often used in industries such as aerospace, automotive, and manufacturing.

• It allows for more precise commun...read more
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Q6. Which software u used?
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Q1. Why are you looking for a change?
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Q2. What is your expected salary?
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Q3. How soon u can join?
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