Power Grid Corporation of India Deputy General Manager Interview Questions and Answers

Q1. COLOUR CODE OF BOILER TUBES
Ans. 
Boiler tubes are color coded for easy identification and maintenance purposes.
• Boiler tubes are typically color coded based on their function or material composition.

• Common color codes include blue for feedwater tubes, red for steam tubes, and green for superheater tubes.

• Color coding helps maintenance personnel quickly identify and troubleshoot issues with specific tubes.

• Color coding also aids in proper installation and...read more
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Q1. EXPECTATIONS FROM NTPC
Ans. 
NTPC expects employees to demonstrate strong leadership, technical skills, commitment to safety, and dedication to achieving company goals.
• Demonstrate strong leadership skills in managing teams and projects

• Possess technical expertise relevant to the role

• Prioritize safety in all operations and decision-making

• Show dedication to achieving NTPC's goals and objectives
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Q1. Relevant to your field, for experience candidate discuss your past experience and profile.
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Written exam conducted for commonly about 200 students.

Q1. Trade related exam conducted commonly to all the students.
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Q2. What are the Transformer losses??
Ans. 
Transformer losses are the energy losses that occur in a transformer during the process of energy transfer.
• There are two types of transformer losses: copper losses and iron losses.

• Copper losses occur due to the resistance of the transformer windings and are proportional to the square of the current flowing through the windings.

• Iron losses occur due to the magnetic properties of the transformer core and are constant reg...read more
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Q3. Working principle of induction motor
Ans. 
Induction motor works on the principle of electromagnetic induction.
• The stator of the motor produces a rotating magnetic field.

• This magnetic field induces a current in the rotor, which in turn produces its own magnetic field.

• The interaction between the two magnetic fields causes the rotor to rotate.

• Induction motors are commonly used in industrial applications due to their reliability and low maintenance.

• They are also u...read more
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Q4. Difference between DC and AC
Ans. 
DC is a constant flow of electricity in one direction while AC is a flow of electricity that periodically reverses direction.
• DC stands for Direct Current while AC stands for Alternating Current

• DC is commonly used in batteries and electronic devices while AC is used in homes and businesses for powering appliances and lighting

• AC can be transmitted over long distances with less energy loss compared to DC

• AC can be easily c...read more
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Love marriage and arrange marriage.

Q1. Question about our work experience. Generally asked field related questions.
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Q2. Documents related questions like MIS report, coal PV, Rake unloading DC reports etc
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Q1. Introduction Past experience Challenges you faced in past job and how you tackled it Awareness about global procurement process Supplier relationship End to end procurement Cross functional Collaboration
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Q2. How to tackle the problems in procurement ?
Ans. 
To tackle problems in procurement, it is important to identify root causes, establish clear communication channels, implement efficient processes, and continuously monitor performance.
• Identify root causes of procurement problems such as supplier issues, inventory management issues, or process inefficiencies.

• Establish clear communication channels with suppliers, stakeholders, and internal teams to ensure transparency an...read more
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Q3. Awareness of Global procurement?
Ans. 
Understanding of sourcing goods and services from global markets.
• Knowledge of international trade regulations and tariffs

• Ability to identify and evaluate global suppliers

• Experience in negotiating contracts with overseas vendors

• Awareness of currency exchange rates and their impact on procurement costs
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Q4. Suppliers you work with globally?
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Q1. Introduction Why to switch current job Expected pay Long term commitment Communication skill Sustainability
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Q1. This was with manager level
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Q1. This was with more senior member - DGM level
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