Steag Energy Services Interview Questions, Process, and Tips

Q1. Details about your current work
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Q1. CTC negotiable with you after technical screening
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Q1. What is boiler Water & steam quality. And cooling system & quality control, specific Water Consumption. Coal Analysis process as per IS standard
Ans. 
Boiler water & steam quality, cooling system & water consumption, coal analysis as per IS standard.
• Boiler water quality refers to the purity of water used in boilers to prevent corrosion and scale buildup.

• Steam quality is the measure of the amount of moisture in steam, with higher quality steam having less moisture.

• Cooling system quality control involves monitoring water quality to prevent fouling and corrosion in the ...read more
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Q1. O2 analiger location in Boiler
Ans. 
The O2 analiger in a boiler is typically located in the flue gas stream.
• The O2 analiger is used to measure the oxygen content in the flue gas.

• It is important to monitor the oxygen levels in the flue gas to optimize combustion efficiency.

• The O2 analiger is usually installed in the boiler's flue gas duct or stack.

• It may be located at a specific distance from the boiler outlet to ensure accurate measurements.

• The O2 analig...read more
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Q2. Then before ESP AND after APH to O2 analiger installed . Then what type problem.
Ans. No problem. But APH leakage then problem.
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Q3. Desuperheting line identify and which location.
Ans. 
Desuperheating line is used to reduce the temperature of superheated steam by injecting water or other cooling agents.
• Desuperheating line is typically located downstream of the superheater in a boiler system.

• It is used to control the temperature of the steam to prevent damage to downstream equipment.

• The location of the desuperheating line may vary depending on the specific boiler design and application.

• Examples of desu...read more
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Q4. BFP discharge line connection and permary superheter outlet and secondary superheter inlet side connection.
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Q5. APH leakage what type problem in Boiler and identify of leakage .
Ans. 
APH leakage is a problem in boilers that can lead to reduced efficiency and increased emissions.
• APH stands for Air Preheater, which is used to heat the combustion air before it enters the boiler.

• Leakage in the APH can result in loss of heat and reduced efficiency.

• Identifying the leakage involves inspecting the APH for visible signs of damage or leakage, conducting pressure tests, and monitoring performance parameters.

• C...read more
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Q6. Types of losses in Boiler
Ans. 
Types of losses in Boiler
• Heat loss through flue gases

• Heat loss through radiation and convection

• Incomplete combustion losses

• Blowdown losses

• Ash and unburnt losses
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Q7. There are eight types loss in Boiler
Ans. 
There are eight types of losses in a boiler.
• The eight types of losses in a boiler are: radiation, convection, exhaust, blowdown, incomplete combustion, unburnt fuel, ash, and moisture.

• Radiation loss occurs due to the heat radiated from the boiler's surface.

• Convection loss occurs due to the heat carried away by the flue gases.

• Exhaust loss occurs due to the heat carried away by the exhaust gases.

• Blowdown loss occurs due ...read more
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Q8. Drum pressure which area drop
Ans. 
Drum pressure drops in the area of steam generation and distribution.
• Drum pressure drop can occur due to steam leakage in the distribution system.

• Pressure drop can also happen in the steam generation process, such as in the boiler or heat exchanger.

• Other factors that can cause drum pressure drop include fouling or scaling in the system.

• Monitoring and maintaining proper drum pressure is crucial for efficient and safe op
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Q1. What are your reasons for wanting to change your current job?
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About power plants activities

Q1. Salary discussion
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Q1. No question asked
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Q1. HR round for basic information for your mentioned CV.
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Q2. Salary discussion
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Q3. Why you change the current organisations?
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Q1. Technical Round Depends on your work experiences.
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Q2. Boiler operation
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Q1. For your salary and benefits notice period etc
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Q1. Express your Powerplant experience.
Ans. 
I have over 10 years of experience in managing powerplant operations, including maintenance, troubleshooting, and optimization.
• Managed daily operations of a 500 MW coal-fired powerplant

• Implemented preventive maintenance programs to reduce downtime

• Led a team of engineers in troubleshooting and resolving equipment issues

• Optimized plant performance through efficiency improvements and cost reduction initiatives
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Q2. What is your plant coal TPH.
Ans. 
Our plant coal TPH is currently at 150 tons per hour.
• Our plant currently processes 150 tons of coal per hour.

• This is a key metric for measuring the efficiency of our operations.

• We are constantly working to optimize our processes to increase this throughput.
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Q3. How many types of pumps in AHP.
Ans. 
There are two main types of pumps in AHP: primary pumps and secondary pumps.
• Primary pumps are responsible for circulating water through the system, such as the main circulating pump.

• Secondary pumps are used for specific functions, like the feedwater pump or the condensate extraction pump.

• Examples include centrifugal pumps, reciprocating pumps, and rotary pumps.
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