NPCIL Interview Questions

                                              NPCIL Interview Questions

Some of the NPCIL interview questions are given as follows:

1. Introduced yourself covering your educational qualification and family background

2. Design heat exchanger for particular application

3. What should be the pressure limit value in pressure safety valve in pressure vessel and why it is normally provided? 

4. What is the difference between design pressure and maximum allowable pressure in pressure vessel design terminology ?

5. Why hydro test is conducted at the end of manufacturing of pressure vessel ?

6. What should be the material that is filled inside the completed vessel, is it air or water and why?

7. What is the compressible flow and what is its effect in it? 

8. In which situation hydro test will be severe if it is filled and pressurized with air and water? 

9. Difference between pressure vessel and storage tank

10. What is the difference between thermal and hydro power plant and which is more efficient in terms of handling cost. ?

11. Draw PV and TS diagram of Rankine cycle. 

12. What should be the case when condenser of power plant is removed? 

13. Relation between psi (pound per square inch) and kg per square centimeter?