NTPC Interview Questions, Process, and Tips

Q1. What is rating of Transformer in CHP
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Q2. How transformer insulation is raised.
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Q3. Parts in the VCB
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Q4. Different relays connected to VCB
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Different relays connected to VCB help in protection and control of electrical systems.
• Different types of relays like overcurrent relay, earth fault relay, and differential relay are connected to VCB for various protection functions.

• Each relay is responsible for detecting specific faults or abnormalities in the electrical system and triggering the VCB to isolate the faulty section.

• Relays are connected to VCB through wi...read more
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Q1. FGD related questions
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Q2. SAP related questions
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Q3. How to do inspection
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Inspection in mechanical engineering involves examining and evaluating components to ensure they meet quality standards.
• Perform visual inspections to check for defects or abnormalities

• Utilize measuring tools such as calipers, micrometers, and gauges to verify dimensions

• Conduct non-destructive testing methods like ultrasonic testing or magnetic particle inspection

• Document inspection results and create reports for qualit
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Q4. What is the percentage of So2 removed by FGD system
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The percentage of SO2 removed by a FGD system varies depending on the specific system and conditions.
• The percentage of SO2 removal by a FGD system can range from 50% to over 90%, depending on the type of FGD system used.

• Factors such as the type of coal being burned, the design of the FGD system, and operating conditions can all impact the efficiency of SO2 removal.

• For example, a wet FGD system typically achieves higher...read more
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Q1. What is difference between electrical and electronics
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Electrical engineering deals with the study and application of electricity, while electronics focuses on the study and application of electronic devices and circuits.
• Electrical engineering primarily deals with the generation, transmission, and distribution of electrical power.

• Electronics focuses on the design and development of electronic circuits and devices.

• Electrical engineering involves working with large-scale pow...read more
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Q2. Working principle generator and transformer
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Q3. What do you means by Plant capacity
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Plant capacity refers to the maximum output or production capability of a manufacturing facility.
• Plant capacity is the maximum amount of goods or services that a plant can produce within a given time period.

• It is often measured in terms of units produced per hour, day, week, or month.

• Factors that determine plant capacity include the size of the facility, the efficiency of the production process, and the availability of...read more
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Global warming impact of co2 in environment

Q1. What is HVDC devices
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HVDC devices are high voltage direct current devices used for transmitting electricity over long distances with lower losses.
• HVDC devices convert AC power to DC power for efficient long-distance transmission

• Examples include HVDC converters, HVDC transmission lines, and HVDC substations

• HVDC technology is used in renewable energy projects and interconnecting power grids
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Q2. Why is ps iimportanat for us
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PS (Project Schedule) is important for ensuring timely completion of projects, managing resources efficiently, and meeting project deadlines.
• PS helps in planning and organizing project activities in a systematic manner.

• It allows for better resource allocation and management to ensure project completion within budget.

• PS helps in identifying potential delays and taking corrective actions to keep the project on track.

• It e...read more
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Q1. Mechanical engineering
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Q2. Diploma Mechanical engineering
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Q3. Saller in month
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Q1. Mechanical engineering
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Q2. Diploma mechanical engineering fitter
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No of questions technical 70
Aptitude 50

Q1. Concerned background and some Power plant related questions
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Q2. Boiler pressure Why steam bipass lp turbine
Ans. 
Steam is bypassed from the LP turbine to control boiler pressure and prevent damage to the turbine.
• Bypassing steam from the LP turbine helps control boiler pressure by diverting excess steam away from the turbine.

• This is done to prevent overloading the turbine and causing damage to its components.

• It also allows for better control of the overall system and ensures efficient operation of the boiler.

• Examples: During perio...read more
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Q1. About yourself and hobbies
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Q1. Concerned subjects
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