Coal India Interview Questions

Excerpts from Interview #1:
(VNIT Nagpur student having Xth score 91.4%, XIIth score 89.8% and graduation score 79.2%)
Technical Interview:
  • List all the machines that you have seen in your workshop.
  • What are the most important machines in mining field?
  • Is the density of air same at different heights?
  • State Bernoulli’s theorem.
HR Interview:
  • Tell me about yourself.
  • How do you propose to bring about a change in the organisation with the application of your learning in Organization Design and Development? 
  • Why to do want to join Coal India? 
  • Describe the project which you undertook.
Excerpts from Interview #2:
(NIT Kurukshetra student having Xth score 85.4%, XIIth score 76.5% and graduation score 76.90%)
Technical interview:
  • Why should the D.C. series always be started with load?
  • What is the value of Mach Number for a sub sonic flow?
  • State what do you mean by shear angle?
  • What is buckminsterfullerene?
  • What is the usual value of helix angle of a drill?
HR Interview:
  • Some questions about my hobbies.
  • What do you know about Coal India?
  • What according to you is the Ideal Job which you'd like to do?
  • Some discussion about my family background?
Excerpts from Interview #3:
(NIT kurukshetra student having Xth score 83.5%, XIIth score 87.24% and graduation score 79.4%)
Technical interview:
  • Why should reheat be given in Rankine cycle?
  • Explain the concept of dryness fraction?
  • What is the colour of smoke if Engine is operating ideally?
  • What are the losses in engine?
HR Interview:
  • What are your weaknesses?
  • Who has inspired you the most in your life and why?
  • Would you be willing to relocate if required?
  • Are you a team player?
  • What makes you angry?
Excerpts from Interview #4:
(NIT Nagpur student having Xth score 96.7%, XIIth score 92.8% and graduation score 87.5%)
Technical interview:
  • What does the degree of compounding in DC machine means?
  • How to read the Operating charts for any electrical machine?
  • Explain the method of an image transmission line?
  • Can you tell me its practical applications?
HR Interview:
  • What is your perception about our company?
  • What has engineering taught you?
  • Do you have offers from private companies?
  • Do you have any idea about the turnover of our company?
Excerpts from Interview #5:
(NIT Nagpur student having Xth score 90.4%, XIIth score 88.2% and graduation score 84%)
Technical interview:
  • What is power load factor and how will you measure the efficiency of plant?
  • Why are there so many tubes in a boiler and what is the mode of convention of heat there?
  • What is the role of super heaters?
  • What do you infer by continuous and continuum growth?
HR Interview:
  • What is more important to you: the money or the work?
  • What are you long term goals?
  • What is your greatest strength?
  • What is meant by HR?
  • Why do you think we should hire you?
Excerpts from Interview #6:
(NIT Hamirpur student having Xth score 89%, XIIth score 83% and graduation score 78%)
Technical interview:
  • Is the density of air same at different heights?
  • State Bernoulli’s theorem.
  • What is the value of Mach Number for a sub sonic flow?
  • State what do you mean by shear angle?
  • What is buckminsterfullerene?
  • What is the usual value of helix angle of a drill?
HR Interview:
  • What is your perception about our company?
  • What has engineering taught you?
  • Do you have offers from private companies?
  • Do you have any idea about the turnover of our company?
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