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DRDO Interview Questions and Answer Metallurgy



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Interview Process

DRDO interview process consist of DV(Document Varification) GD(Group Discussion), GT(Group Task) and PI(Personal Interview). And weightage is divided as -
  GATE Marks - 85%
  PI(Personal Interview) - 15%

Interview process will begain with an introductory presentation. They will present about the iocl company, revenue, profit, leaders and their products. All the three process (DV, GD & GT and PI) will heppend simultaneously. Anyone can be called for DV or GD & GT or PI. GD & GT round will take around 40 mins. Teams (for us there were 15 members) will be same for both GD & GT. For GD, panel will give you 3 min to write your points and 10-15 mins to discuss the topic. And they will ask one by one to put their points. For GT, they will divide the teams in 4 part. So each team will have 4 or 3 members. Panel will give you a problem slip and then you will have 10 mins to discuss among yourself and come to solution.




Interview experience of candidate 1

Year - 2022, Center-Chennai,Gate Rank range - 30-35, education - btech and mtech completed , time - 20mins

GD Topic 1 : Lack of quality in engineering education system.
GD Topic 2 : E-waste menace

GT Topic : An airoplane got crashed in amazon jungle. But everyone is safe. There is no network and you don't have any other facility to call rescue team. Now your team have to pick 7 essential items out of 10 items (A list was given) to get yourself out of the jungle. What will you choose and why ?

Personal Interview
Technical
(1) Question from MTech Project.
(2) From where you did you BTech training ? (Ans - SAIL)
(3) What type of product they(SAIL) manufacture ?
(4) What is microalloyed steel ?
(5) What is Weathering steel ?
(6) What is pickling and why we do it ? and process after pickling. (says Galvanising)
(7) What is Galvanising ?
(8) What else coating we do?

HR
(1) Introduce yourself
(2) What did you like in the IOCL presentation
(3) What are the IOCL joint ventures with other companies



Interview experience of candidate 2

Year - 2022, Center-Chennai, Gate Rank range - 30-35, education - btech and mtech completed , time - 20mins

GD Topic 1 : Cyber crime is rising in india. What steps will you take to prevent it..?
GD Topic 2 : Youth inclination towads fairness

GT Topic : In a family, there is a couple, a son and a daughter. Someone from the family killed a member of the family and one member witness the murder. And one member help in the killing
(1) Father is the oldest in the family
(2) Who killed and who witness are not of the same sex.
(3) The person got murdered was not the youngest in the family
(4) The person got killed was younger than killer
(5) The person who helped in killing was older than killer.
(6) killer and victim are not of same sex
who was the murderer ?

Personal Interview
Technical
(1) Question from BTech Project.
(2) If pressure P is applied in the pipeline then what type of failure can occure ?
(3) How the failure will occure in pipeline. Horizontal or vertical ?
(4) What is hoop stress ? how do you calculate it ?
(5) If pressure P is applied then how will you tell that will it fail or not..? (used a word "strength" while answering)
(6) What do you mean by strengh ? (says Yield strength)
(7) What is yield strength and why it is important ?
(8) What is lamination ? ( he didn't know so they gave a hint that it is related to some defect )

HR
(1) Introduce yourself
(2) Tell me about your hometown city and why it is famous ? ( candidate's hometown was Varanasi )
(3) Why it is famous in political point of view..?
(4) Which one is a good city. Varanasi or Bangalore ? ( candidate currently living in bangalore )
(5) What is your view on future of oil. will it get affected by EV ? (used a word 'carbon emission')
(6) How will you reduce carbon emmission. ?
(7) What do you understand by net zero ?
(8) So why this 2046 year is important for IOCL net zero plan ..?



Interview experience of candidate 3

Year - 2022, Center-Chennai, Gate Rank range - 245-250, education - btech and mtech completed , time - 35mins

GD Topic 1 : How to stop online gaming..?
GD Topic 2 : Stress management

GT Topic : There are 5 suspect for a crime. Each suspect gives 3 statements out of which 2 are correct and 1 is wrong. Find out the culprit based on the statements.

Personal Interview
Technical
(1) Question from MTech Project. (Which was on coating)
(2) What type of coating do we use and how to apply a coating ?
(3) How will you prevent corrosion ?
(4) What is NDT and its type ?
(5) which will you use for surface and sub surface defect ..?
(6) How do you measure hardness and why do you need hardness for some application ?
(7) What is wear resistant . why do we need wear resistant and relate it with hardness ?
(8) What are the process we use to increase waer r/s and mechnism behind it .
(9) What are the types of stainless steel and about them ?
(10) Types of elements used in SS and their effect on SS
(11) Why iron piller is not corroding. Material from which it is made of.. ? .

HR
(1) Introduce yourself
(2) Why do you want to join IOCL ?
(3) What are the new product in IOCL ..?
(4) If you got offer from ONGC, HPCL and IOCL. Which one will you join ..?
(5) If we post you in marketing role. will you accept the offer ..?

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