- what is COC
- What set pts to be changed for N2 plant - design mode to max liq mode
- What is FRC & what is the safe limit
- Differences between ClO2 and NaOCl
- Different types of traps used in OMPL
- Available trips in GTG and set points
- Available trips in UB and set points
- Boiler Feed water working philosophy
- Deaerator inlet flow valve 30 % and 70 % working
- What are the imp parameters to check in cooling tower fan
- List out the dampers available in CPP
- What all analyzers available in OMPL
- How fuel centrifuge works
- How silica analyzer works
- How Sodium analyzer works
- What are Isochronous and droop mode
- What all protections available in Liq N2 tanks
- Differences b/w IAPA comp. and N2 plant comp.
- Classification of Pumps
- OISD checklist points
- what is CFE and CFO (Environment)
- What are the stages to obtain approval from IBR
- What all statutory bodies/clearances req. for OMPL
- What are SMPV Rules and Petroleum Rules
- What is N-1 philosophy in OMPL Boiler
- How to detect the chlorine vapors
- What are the different types of chlorine dosing mechanisms
- What is the shutdown sequence if a boiler trips
- How Boiler is different from HRSG in all respects
- What is pinch point and approach point
- What is the purpose of alkali boilout, passivation
- What all are the dosing chemicals used in OMPL and their purpose
- Difference between fan, blower and compressor
- What are the pre-start checks of a compressor
- What are the pre-start checks of a centrifugal pumps
- What are the pre-start checks of a reciprocating pumps
- How the relative humidity affects Gas turbine performance
- What are the different types of bearings. Classify based on requirement.
- Differentiate between Steam Turbine and Gas Turbine
- How to calculate the efficiency of Overall CPP
- Why nitrogen blanketing is required for fuel tanks. How the n2 requirement varies based on climatic conditions
- What are the different types of tank constructions and their uses
Interview Questions for mechanical engineers on power plant and utilities
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