Lohum Cleantech Operator Interview Questions, Process, and Tips

Q1. Techincal Related
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Q2. Technical related
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Q3. Techincal related questions
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Q4. Technical related interview
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G17-xy plane selection
G04-dwell time

Bodmass formula. Desimal fraction math

Q1. Are u marriage because already 30 age
Ans. 
Age should not be the sole factor in determining marriage status.
• Age is not the only factor to consider when deciding to get married.

• Personal readiness, financial stability, and relationship compatibility are also important.

• Some people choose to get married later in life for various reasons.

• Marriage is a personal decision and should not be rushed into based on age alone.
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Remember select u after company stay in five yrs already company improvement to try

Q1. Explain water treatment plant operation
Ans. 
Water treatment plant operation involves processes such as coagulation, flocculation, sedimentation, filtration, and disinfection to remove impurities and ensure safe drinking water.
• Coagulation: Chemicals are added to water to make impurities clump together.

• Flocculation: Gentle mixing to form larger particles called floc.

• Sedimentation: Floc settles to the bottom of the tank.

• Filtration: Water passes through layers of sa...read more
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Q2. Explain the effluent treatment plant operation
Ans. 
Effluent treatment plant operation involves treating wastewater to remove contaminants before releasing it back into the environment.
• Effluent is collected and transferred to the treatment plant

• Physical, chemical, and biological processes are used to remove contaminants

• Treated effluent is discharged into water bodies or reused for irrigation

• Regular monitoring and maintenance are essential for efficient operation
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Q3. Explain the sewage treatment plant operation
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Sewage treatment plants use physical, chemical, and biological processes to remove contaminants from wastewater before it is released back into the environment.
• Sewage enters the plant through pipes and is first screened to remove large objects like sticks and plastic.

• The sewage then undergoes primary treatment where solids settle to the bottom and scum floats to the top, which is removed.

• Secondary treatment involves bi...read more
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Q4. Explain deminaraligation plant operation
Ans. 
A demineralization plant is used to remove minerals and salts from water through a process of ion exchange.
• Demineralization plants use ion exchange resins to remove minerals and salts from water.

• The process involves passing water through resin beds where ions are exchanged, resulting in demineralized water.

• Demineralization plants are commonly used in industries such as power plants, pharmaceuticals, and electronics man
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Q5. Explain the softener regeneration process
Ans. 
Softener regeneration process involves flushing the resin bed with a salt solution to remove accumulated minerals.
• The softener is taken offline

• The resin bed is flushed with a salt solution to remove minerals like calcium and magnesium

• The brine solution is then rinsed out of the resin bed

• The softener is then put back online to resume softening water

• Regeneration frequency depends on water hardness and usage
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Q1. Skill Test, Technical discussion
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Q1. Written test, Skill matrix assessment
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