HIL Limited CCR Officer Interview Questions and Answers

Mercer Mettle Test for initial screening.

Q1. Domain related questions with HOD.
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Q1. Maths, general knowlege, chemistry
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Q2. Extractîon of Aluminiun
Ans. 
Extraction of aluminum involves the process of electrolysis of alumina.
• Aluminum is extracted from its ore, bauxite, through the Bayer process.

• The extracted alumina is then converted into aluminum through the Hall-Héroult process.

• Electrolysis is used to separate the aluminum from the oxygen in alumina.

• The process requires a large amount of electricity and is energy-intensive.
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Q3. Alumina from bauxite
Ans. 
Alumina is extracted from bauxite through a process called the Bayer process.
• Alumina is the primary component of aluminum production.

• The Bayer process involves crushing the bauxite ore, mixing it with sodium hydroxide, and heating it in a pressure vessel.

• The resulting solution is filtered to remove impurities, leaving behind alumina which is then processed into aluminum.

• Alumina is used in a variety of industries includ
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Q1. About experience of quality and metal
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Q2. About compansation and perks
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Q3. About previous work experience
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Q4. About family background
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