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Nava Limited

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uviQo Technologies Interview Questions and Answers

Updated 29 Jul 2024

Q1. What will you do during plant black out and island ?

Ans.

During a plant black out and island, I would prioritize safety, assess the situation, implement emergency protocols, and work to restore power.

  • Prioritize safety of personnel and equipment

  • Assess the situation to determine the cause of the blackout

  • Implement emergency protocols to ensure stability of the plant

  • Work to restore power by troubleshooting and fixing the issue

  • Communicate with relevant stakeholders and authorities

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Q2. What are the water parameters in feed water and steam path.

Ans.

Water parameters in feed water and steam path are crucial for efficient operation and maintenance of the system.

  • Feed water parameters include pH level, conductivity, dissolved oxygen, and total dissolved solids.

  • Steam path parameters include steam pressure, temperature, and quality.

  • Maintaining proper water parameters is essential to prevent corrosion, scaling, and other issues in the system.

  • Regular monitoring and testing of water parameters is necessary to ensure optimal perfo...read more

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Q3. What is a AFBC Boiler?

Ans.

AFBC Boiler stands for Atmospheric Fluidized Bed Combustion Boiler, which is a type of boiler that utilizes a bed of hot particles to burn fuel.

  • Utilizes a bed of hot particles to burn fuel

  • Operates at atmospheric pressure

  • Suitable for fuels with low quality and high ash content

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Q4. Describe boiler cold start up procedure.

Ans.

Boiler cold start up procedure involves several steps to ensure safe and efficient operation.

  • Check water level in the boiler to ensure it is at the correct level

  • Open the main steam valve and close the bypass valve

  • Start the boiler feed water pump to fill the boiler with water

  • Purge the air from the boiler by opening the air vent valves

  • Turn on the boiler burner and ignite the fuel to start heating the water

  • Monitor the boiler pressure and temperature to ensure they are within saf...read more

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