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NEC Interview Questions and Answers

Updated 23 Nov 2024
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Q1. Safety for chemical all process

Ans.

Ensuring safety in chemical processes is crucial for preventing accidents and protecting workers.

  • Implementing proper training programs for employees on handling chemicals safely

  • Regularly inspecting equipment and ensuring it is properly maintained

  • Providing appropriate personal protective equipment (PPE) for workers

  • Following strict protocols for handling, storing, and disposing of chemicals

  • Having emergency response plans in place in case of accidents or spills

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Q2. What is MSDS ? how many points does it have

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Q3. what is mean by UEL and LEL? and define it

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Q4. why hydrogen is called bomb based on LEL and UEL

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Discover NEC interview dos and don'ts from real experiences

Q5. What is LEL and UEL of Hydrogen?

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Q6. in which point will you find LEL and UEL

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Q7. Tell me your mobile no

Ans.

I'm sorry, I do not feel comfortable sharing my personal mobile number in a professional setting.

  • Respectfully decline to provide personal contact information

  • Explain that it is not appropriate to share personal phone numbers in a professional interview setting

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Q8. What is vaccume??

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Q9. HEAT TRANSFER TYPES??

Ans.

Heat transfer types include conduction, convection, and radiation.

  • Conduction: Heat transfer through direct contact between materials, such as a metal spoon heating up in a hot drink.

  • Convection: Heat transfer through the movement of fluids or gases, like boiling water in a pot.

  • Radiation: Heat transfer through electromagnetic waves, for example, feeling the warmth of the sun on your skin.

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