Le Mei Plastic Manufacturing Team Lead Interview Questions and Answers

Q1. What about your self
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Q2. Cpk and cpk difference
Ans. 
Cpk and cpk are statistical measures used to assess the capability of a process to meet specifications.
• Cpk measures how well a process can produce output within specification limits.

• Cpk takes into account both the mean and the variation of the process.

• Cpk is calculated as the minimum of (USL - mean) / (3 * standard deviation) and (mean - LSL) / (3 * standard deviation).

• Cpk should be at least 1.33 to indicate a capable ...read more
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Q3. Proces audit defination
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Q4. Product audit defination
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Q5. IATF and ISO documentation
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Q1. Why you come in HPL?
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Q1. Plant tank farm and utility
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Q2. Tell about PSA cycle
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Q1. Why should we hire you?
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Q2. Why are you looking for a change?
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Q3. Where do you see yourself in 5 years?
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Q4. What are your strengths and weaknesses?
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Q5. Tell me about yourself.
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Q1. Based on your previous company profile and work
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Q2. For your field related like mechanical, electrical, instruments, etc.
Ans. Prepare for deeply on your profile
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Q1. Manager role for maintenance.
Ans. 
The Manager role for maintenance involves overseeing the maintenance team and ensuring that all equipment and facilities are in good working condition.
• Supervising and managing the maintenance team

• Developing and implementing maintenance schedules

• Ensuring compliance with safety regulations

• Managing maintenance budgets and expenses

• Coordinating with other departments to ensure smooth operations

• Identifying and addressing mai...read more
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Q2. Major turnaround experience
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Q3. Crack gas compressor overhauling
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Q4. Pump NPSH calculation
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Q5. Compressor surge curve
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Q1. What is cavitation in centrifugal pump? How do you mean by NPSH?
Ans. 
Cavitation is the formation of vapor bubbles in a centrifugal pump due to low pressure. NPSH stands for Net Positive Suction Head.
• Cavitation occurs when the pressure at the pump inlet drops below the vapor pressure of the liquid, causing the formation of vapor bubbles.

• These vapor bubbles collapse when they reach higher pressure areas, leading to damage to the pump impeller and reduced pump performance.

• Cavitation can be...read more
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Q2. What is surging? How do you manage lubrication in different rotating equipment?
Ans. 
Surging is a phenomenon in rotating equipment where the flow rate becomes unstable.
• Surging occurs when the flow rate through a rotating equipment fluctuates due to changes in operating conditions.

• It can lead to reduced efficiency, increased wear and tear, and potential damage to the equipment.

• To manage lubrication in different rotating equipment, it is important to monitor and control the flow rate, viscosity, and temp...read more
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All technical skills and your previous experience as well as field experience.