Prudour Research Intern Interview Questions and Answers

Q1. Tell me about your self
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Q2. Research types : example of each
Ans. 
There are three main types of research: exploratory, descriptive, and explanatory.
• Exploratory research: used to gain a general understanding of a topic or problem

• Descriptive research: used to describe characteristics of a population or phenomenon

• Explanatory research: used to test hypotheses and establish cause-and-effect relationships
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Q3. Difference between qualitative and quantitative research
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Qualitative research is exploratory and subjective while quantitative research is numerical and objective.
• Qualitative research is used to gain insights and understanding of underlying reasons, opinions, and motivations.

• Quantitative research is used to quantify data and generalize results from a larger sample population.

• Qualitative research methods include interviews, focus groups, and observation.

• Quantitative research ...read more
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Q1. Introduce Yourself?
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Q1. Types of research, qualitative and quantitative?
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Logical Reasoning & Aptitude test, Grammar test.

Q1. You are given some EAN number, bases on that you have to find details of the product and answer the questions.
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Q2. 1. Introduction 2. Questions about Prior work experience.
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Q1. What are the differences in the various heat treatment processes?
Ans. 
Heat treatment processes differ in temperature, time, and cooling rate to achieve desired material properties.
• Annealing: heating and slowly cooling to reduce hardness and increase ductility

• Quenching: rapid cooling to increase hardness and strength

• Tempering: heating and cooling to increase toughness and reduce brittleness

• Normalizing: heating and cooling to refine grain structure and improve machinability

• Hardening: heati...read more
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Q2. What was the diameter of the DI pipes that were continuously casted while on your stint in NML?
Ans. 
The diameter of the DI pipes continuously casted at NML was 100mm.
• DI pipes were continuously casted at NML

• The diameter of the pipes was 100mm
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Q3. What is the cryogenic process of heat treatment??
Ans. 
Cryogenic process of heat treatment involves cooling materials to extremely low temperatures to improve their properties.
• Materials are cooled to temperatures below -150°C using liquid nitrogen or helium.

• This process improves the wear resistance, toughness, and dimensional stability of materials.

• Common applications include treating tool steels, aerospace alloys, and superconducting materials.

• The process can also be used...read more
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Q4. What is the temperature range for annealing, quenching, normalizing, austempering and multiple other heat treatments in the metallurgical arena??
Ans. 
The temperature range for various heat treatments in metallurgy varies depending on the specific process.
• Annealing temperature range: 300-1200°C

• Quenching temperature range: Room temperature to 200°C

• Normalizing temperature range: 800-950°C

• Austempering temperature range: 250-450°C

• Other heat treatments have their own specific temperature ranges

• Temperature ranges can also vary depending on the type of metal being treated
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Q5. Describe the relation between strength and hardness??
Ans. 
Strength and hardness are related but not the same. Strength is the ability to withstand force while hardness is resistance to deformation.
• Strength refers to the ability of a material to withstand an applied force without breaking or deforming.

• Hardness refers to the resistance of a material to deformation, scratching, or abrasion.

• A material can be strong but not hard, such as rubber, or hard but not strong, such as gla...read more
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Q6. Draw the continuous cooling curves and explain the schema...
Ans. 
Continuous cooling curves show the cooling behavior of a material during solidification.
• Continuous cooling curves are used to determine the cooling rate required for a material to achieve a desired microstructure.

• They are plotted by cooling a sample at a constant rate and measuring its temperature as a function of time.

• The curves can be used to predict the formation of different phases and microstructures in the materi...read more
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Q7. Draw the Fe-C diagram with their bifurcations....
Ans. 
Fe-C diagram shows the phases of iron-carbon alloys at different temperatures and carbon concentrations.
• The diagram is also known as the iron-carbon phase diagram.

• It is used to understand the behavior of steel and cast iron.

• The diagram shows the different phases of iron and carbon at different temperatures and carbon concentrations.

• The diagram has three main regions: austenite, ferrite, and cementite.

• The eutectoid poin...read more
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Normal aptitude test

Q1. Tell me about yourself, and few guesstimate questions only
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Assignment in excel with proper presentation