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Wednesday, June 21, 2017

Most important Questions for Boiler Operation Engineer Interview

Hello!! all the power plant engineers.Normally when we are preparing for Boiler Proficiency Examination we are having idea of theory papers how to go through them and mostly we prepare accordingly and cleared through examination and the problem arrives when we have to face interview for the same.At that time we are feeling that what kind questions may be asked,what will be the level 
of difficulty of questions and so on .I also have been through same phase after passing examination ; so here I am sharing my experience with you all so that it will be beneficial for you.Most of the questions are practical knowledge based. Here are the questions asked in interview for Boiler Operation Engineer.

  1. Tell me something about your plant and at which position you are working?
  2. What is the meaning of captive power plant? How much power you are selling to/purchasing from Grid?
  3. What are the fuels you are using & what is their cost ?
  4. Tell me fuel analysis,Sulphur content & how do you control SOX,Nox ?
  5. What is cost of power per unit generated by you? Tell me separately the fuel cost and the administrative cost.
  6. Show me economy of your power plant. Take example of HSD & coal & prove by calculation that HSD is costlier than coal. Take data of your plant.
  7. What is steam consumption in STG for 35 MW? How much steam is required for 1 unit power production?
  8. What is the meaning of combined co-gen power plant?
  9. Explain your DM water plant. What is its cost of production? What is function of MB?
  10. What is polishing unit? What is quality of process conductivity? What is the value of specific conductivity at your plant battery limit?
  11. What are the protective devices in your boiler?
  12. As an Engineer of your power plant what steps you will take for the inspection of your boiler?
  13. Explain how will you start your standby boiler? How will you do paralleling with battery? Tell me step-by-step procedure.
  14. Explain the cold start-up procedure of your plant.
  15. How to do paralleling of two boilers?
  16.  What is the principle of your Deaerator ? What is the discharge O2 content?
  17. What are the O2 scavengers? What is your O2 scavenger ?
  18. What are the disadvantages of sodium sulphite as an O2 scavenger?
  19.  What are the other advantages of Hydrazine and why are you maintaining residual Hydrazine ?
  20.  Why do you need to maintain the pH value in your boiler drum between 9.5 and 10.2?
Feel free to ask any doubt and suggestion.And please do not forgot to share your experience .

Thanks.

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