Hnb Engineers Interview Questions and Answers

Q1. Write unit testing for adding two nimbers
Ans. 
Unit testing for adding two numbers
• Create a test case with two numbers and expected sum

• Call the function that adds two numbers

• Assert that the result matches the expected sum
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Q1. Explain challenge you faced in your last project
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Q1. Salary expectations
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Q1. Tell Me About work Experience
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Q2. How to Arrest leakages?
Ans. 
To arrest leakages, identify the source, implement preventive measures, monitor regularly, and take corrective actions.
• Identify the source of leakages through regular audits and inspections.

• Implement preventive measures such as installing leak detection systems or improving maintenance procedures.

• Monitor regularly by analyzing data and conducting spot checks.

• Take corrective actions promptly to fix leaks and prevent fut
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Q3. Types of grouting Method
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Grouting methods include cementitious grouting, chemical grouting, and pressure grouting.
• Cementitious grouting involves mixing cement, water, and additives to create a flowable material for filling gaps.

• Chemical grouting uses chemical compounds to fill voids and stabilize soil or rock formations.

• Pressure grouting injects grout under pressure to fill cracks and voids in structures.

• Examples: epoxy grouting, urethane grou
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Q4. How much Concrete Consumed in your last project!
Ans. 
Approximately 500 cubic yards of concrete were consumed in the last project.
• The amount of concrete consumed in a project can vary depending on the size and scope of the project.

• Factors such as the type of structure being built, the design specifications, and the location can all impact the amount of concrete needed.

• For example, a small residential project may only require a few cubic yards of concrete, while a large co...read more
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Q1. Process for schedule preparation
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Q2. What is critical Path
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Q1. Tell me about yourself
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Q2. Left join right join
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Q3. Union and intersect
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Q1. SAP ke bare me puche
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Q2. Fright payment journal entry sale purchase
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Q1. Waht is water treatment ?
Ans. 
Water treatment is the process of removing contaminants from water to make it safe for consumption or other uses.
• Water treatment involves processes such as filtration, disinfection, and sedimentation.

• Examples of water treatment methods include chlorination, reverse osmosis, and UV treatment.

• Water treatment is essential for ensuring access to clean and safe drinking water for communities.

• Industrial water treatment is al...read more
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Q2. To know charcter of water
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Q1. Why are you want releive past company?
Ans. 
I am seeking new challenges and opportunities for growth in my career.
• Seeking new challenges and opportunities for growth

• Looking for a more fulfilling role

• Want to expand my skill set in a different environment
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Q2. About WTP&STP Process
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Q3. How to handel the O&M
Ans. 
O&M refers to operations and maintenance tasks in a chemical plant. It involves ensuring smooth functioning of equipment and processes.
• Develop a detailed schedule for routine maintenance tasks

• Regularly inspect equipment for signs of wear and tear

• Train staff on proper operation and maintenance procedures

• Implement a system for tracking maintenance activities and repairs

• Prioritize safety protocols to prevent accidents and
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Q4. How to handle client visit
Ans. 
Handle client visits by preparing in advance, being professional and attentive, and following up afterwards.
• Prepare in advance by researching the client's background and needs

• Be professional by dressing appropriately and speaking confidently

• Be attentive by actively listening to the client's concerns and addressing them

• Follow up afterwards with a thank you note or email to show appreciation
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Q5. Chemical Consumption with Sludge Dewatering
Ans. 
Chemical consumption in sludge dewatering is crucial for efficient treatment processes.
• Chemical consumption depends on the type of sludge being treated (e.g. activated sludge, primary sludge)

• The dosage of chemicals like coagulants and flocculants should be optimized for cost-effectiveness

• Monitoring and adjusting chemical consumption based on sludge characteristics and treatment goals is important
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Q1. Mostly Questions of VFD related
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Q2. Very Normal interview
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Q1. About waste water treatment
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Q2. About COLD About family and qualifications
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Q3. About myself and my hobbies
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