Top 10 Questions for Strainer Tender Interview

1. Describe the process of cleaning and maintaining strainers used in a wastewater treatment plant?

• Begin by removing any debris or solids from the strainer’s surface using a rake or brush.
• Apply a cleaning solution to the strainer and allow it to sit for the manufacturer-recommended dwell time.
• Use a high-pressure water jet to thoroughly rinse the strainer, removing any remaining debris or cleaning solution.
• Inspect the strainer for any damage or wear and make necessary repairs or replacements.
• Reinstall the cleaned strainer into the system, ensuring it is securely fastened and operating correctly.

2. What are the different types of strainers used in wastewater treatment and what are their specific purposes?

Rotary Drum Strainers

• Continuous operation, removing solids from wastewater using a rotating drum covered with a fine mesh screen.
• Suitable for high-volume applications with varying solid loads.

Band Screen Strainers

• Convey wastewater through a continuously moving perforated belt.
• Effectively remove solids and debris from wastewater.

Traveling Water Screens

• Move vertically through the water column, removing debris and solids.
• Used in intake structures to protect pumps and equipment from damage.

3. Explain the factors that affect the efficiency of a strainer in removing solids from wastewater?

• Screen opening size: Smaller openings result in higher solids removal efficiency but may lead to clogging.
• Flow rate: Higher flow rates can reduce solids removal efficiency due to decreased contact time.
• Solids loading: High solids concentration can overwhelm the strainer, reducing its efficiency.
• Strainer condition: Clogged or damaged strainers will have reduced efficiency.
• Maintenance: Regular cleaning and maintenance ensure optimal strainer performance.

4. How do you ensure that the strainer is operating at its optimal capacity and efficiency?

• Regularly monitor flow rates and solids loading to identify any changes that may affect efficiency.
• Inspect strainers for clogging or damage during routine maintenance.
• Adjust strainer settings, such as rotation speed or belt tension, to optimize solids removal.
• Implement a preventive maintenance schedule to ensure timely cleaning and repairs.
• Train operators on proper strainer operation and maintenance procedures.

5. What are some common problems that can occur with strainers and how do you troubleshoot them?

Clogging

• Check for excessive solids loading or debris accumulation.
• Increase cleaning frequency or adjust strainer settings to improve solids removal.

Wear and Tear

• Inspect strainers for damage to screens or belts.
• Replace worn or damaged components promptly to maintain efficiency.

Mechanical Issues

• Check for motor or drive malfunctions.
• Troubleshoot electrical connections and ensure proper lubrication.

6. What is the importance of maintaining accurate records related to strainer operations and maintenance?

• Provides a historical record of strainer performance, aiding in troubleshooting and identifying trends.
• Facilitates compliance with regulatory requirements for wastewater treatment plants.
• Helps optimize maintenance schedules and identify areas for improvement.
• Serves as a valuable resource for training new operators.

7. How do you stay up-to-date on the latest advancements and best practices in strainer technology?

• Attend industry conferences and workshops.
• Read technical publications and articles.
• Consult with manufacturers and equipment suppliers.
• Participate in online forums and discussion groups.

8. Describe a situation where you successfully resolved a challenging issue related to strainer operations or maintenance?

• Explain the problem encountered, including specific details.
• Outline the steps taken to troubleshoot and diagnose the issue.
• Describe the solution implemented and its impact on strainer performance.
• Highlight any lessons learned or best practices gained from the experience.

9. How do you prioritize your workload and manage multiple responsibilities as a Strainer Tender?

• Assess the urgency and importance of each task.
• Create a daily or weekly schedule to allocate time effectively.
• Delegate tasks to other team members when appropriate.
• Communicate regularly with supervisors to ensure alignment on priorities.
• Utilize technology tools to streamline communication and task management.

10. What are your strengths and weaknesses as a Strainer Tender?

Strengths

• Strong understanding of strainer operations and maintenance procedures.
• Experience in troubleshooting and resolving strainer-related issues.
• Commitment to safety and compliance.
• Excellent communication and interpersonal skills.
• Attention to detail and ability to work independently.

Weaknesses

• Limited experience with advanced strainer technologies.
• Working in confined spaces or under adverse weather conditions.
• Managing multiple priorities simultaneously.

A Strainer Tender is responsible for operating and maintaining strainers in a plant or facility. They ensure that the strainers are clean and free of debris, and that they are operating properly. Strainer Tenders may also perform other tasks, such as cleaning and maintaining other equipment, or assisting with other operations.

1. Inspect strainers

Inspect strainers to ensure they are clean and free of debris. Check for any damage or wear and tear.

• Inspect strainers to ensure they are clean and free of debris.
• Check for any damage or wear and tear.

2. Clean strainers

Clean strainers using a variety of methods, such as backwashing, chemical cleaning, or manual cleaning. Dispose of debris properly.

• Clean strainers using a variety of methods, such as backwashing, chemical cleaning, or manual cleaning.
• Dispose of debris properly.

3. Maintain strainers

Maintain strainers by performing regular inspections, cleaning, and repairs. Keep a log of all maintenance activities.

• Maintain strainers by performing regular inspections, cleaning, and repairs.
• Keep a log of all maintenance activities.

4. Troubleshoot problems

Troubleshoot problems with strainers and related equipment. Identify the cause of the problem and take corrective action.

• Troubleshoot problems with strainers and related equipment.
• Identify the cause of the problem and take corrective action.

Preparing for an interview can be daunting, but by following these tips you can increase your chances of success.

1. Research the company and the position

Take the time to learn about the company you are applying to and the position you are interviewing for. This will help you answer questions intelligently and show that you are genuinely interested in the opportunity.

• Visit the company’s website to learn about their history, mission, and values.
• Read the job description carefully and identify the key requirements.

2. Practice answering common interview questions

There are a number of common interview questions that you are likely to be asked. By practicing your answers ahead of time, you can feel more confident and prepared during the interview.

• Some common interview questions include.
• Tell me about yourself.
• Why are you interested in this position?
• What are your strengths and weaknesses?

3. Dress professionally and arrive on time

First impressions matter. Dress professionally and arrive on time for your interview. This will show the interviewer that you are respectful of their time and that you take the interview seriously.

• Choose clothing that is clean, pressed, and fits well.
• Arrive at the interview location at least 15 minutes early.

4. Be yourself and be confident

The most important thing is to be yourself and be confident. The interviewer wants to get to know the real you, so don’t try to be someone you’re not. Just relax, be yourself, and let your personality shine through.

• Make eye contact with the interviewer and speak clearly and confidently.
• Be enthusiastic and positive about your skills and experience.