NTPC GE Power Services Interview Questions, Process, and Tips

Q1. What is grid code, what is the critical path, what is project performance,
Ans. 
Grid code defines technical requirements for connecting to the grid. Critical path is the longest sequence of tasks determining project duration. Project performance measures how well project objectives are being met.
• Grid code sets out technical standards and requirements for connecting power plants to the grid

• Critical path is the longest sequence of tasks that determines the overall duration of a project

• Project perfor...read more
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Q2. How to manage the client in brief.
Ans. 
Managing clients involves clear communication, setting expectations, building relationships, and delivering results.
• Establish clear communication channels with the client to ensure understanding of project goals and timelines

• Set realistic expectations and manage client's expectations throughout the project

• Build a strong relationship with the client based on trust and transparency

• Regularly update the client on project p...read more
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Q1. Tell me about your self
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Q2. Where are staying right now
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Q1. How do you start and stop a boiler feed pump safely?
Ans. 
Starting and stopping a boiler feed pump requires careful procedures to ensure safety and efficiency.
• Check the pump and system for any leaks or damage before starting.

• Ensure that the boiler is at the correct pressure and temperature.

• Open the isolation valves to allow water flow to the pump.

• Start the pump using the control panel, monitoring for unusual noises.

• Once the pump is running, check the pressure gauges to ensure...read more
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Q2. What are common vacuum pump failures and their causes? How do you check for vacuum leaks in a system?
Ans. 
Common vacuum pump failures include mechanical wear, seal leaks, and motor issues, often leading to performance loss.
• Mechanical wear: Bearings and rotors can wear out over time, causing reduced efficiency.

• Seal leaks: Damaged or worn seals can lead to loss of vacuum, impacting system performance.

• Motor issues: Electrical failures or overheating can prevent the pump from operating correctly.

• Contamination: Particles or flu...read more
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Q3. How do you start and stop a CEP safely? What are the possible causes of cavitation in a CEP, and how can it be avoided?
Ans. 
Safe operation of a CEP involves careful start/stop procedures and understanding cavitation causes and prevention.
• Start the CEP gradually to avoid sudden pressure changes.

• Monitor system parameters like flow rate and pressure during startup.

• Stop the CEP by gradually reducing the load to prevent water hammer.

• Cavitation can occur due to low inlet pressure or high fluid velocity.

• To avoid cavitation, ensure adequate NPSH (N...read more
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Q4. If a blackout occurs in your plant, what immediate actions will you take?
Ans. 
In case of a blackout, immediate actions include assessing the situation, ensuring safety, and restoring power efficiently.
• Assess the situation: Check if the blackout is localized or widespread.

• Ensure safety: Activate emergency lighting and guide personnel to safe areas.

• Notify relevant personnel: Inform management and maintenance teams about the blackout.

• Check backup systems: Verify if backup generators are operational...read more
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Q1. CT knee point testing
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Q2. Privious experience of Substation Maintenance and incedent
Ans. 
I have 5 years of experience in substation maintenance, including incident response and resolution.
• Managed regular maintenance schedules for substation equipment

• Responded to and resolved incidents such as power outages or equipment failures

• Implemented safety protocols to prevent future incidents

• Trained team members on proper maintenance procedures

• Collaborated with engineers to improve substation efficiency
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Q1. Company related and salary
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Q2. Joining process
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Dm plant testing and Boiler water testing

Q1. Relay protection
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Q2. Transformers protection
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