Manatec Electronics Mechanical Engineer Interview Questions and Answers

Q1. Self intoduction
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Q1. What is your role in previous company
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Q2. How many people under your control and how you will manage
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Q3. How to improve cycle time and how to do rejection control
Ans. 
To improve cycle time, focus on process optimization and efficiency. Rejection control involves identifying root causes of defects and implementing corrective actions.
• Implement lean manufacturing principles to streamline processes and reduce waste

• Utilize automation and technology to speed up production

• Regularly analyze data and performance metrics to identify bottlenecks and areas for improvement

• Train employees on best...read more
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Q4. Do you know about rework anaysis
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Rework analysis involves identifying and addressing issues in a product or process to improve efficiency and quality.
• Rework analysis is a process of examining and evaluating the reasons for rework in a project or product.

• It involves identifying root causes of defects or errors and implementing corrective actions to prevent future rework.

• Examples of rework analysis include conducting failure mode and effects analysis (F...read more
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Q5. Do you know about scrap count
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Scrap count refers to the number of defective or unusable parts produced during manufacturing.
• Scrap count is an important metric in manufacturing to track quality control and efficiency.

• It helps identify areas of improvement in the production process.

• Examples of scrap count include parts with manufacturing defects, incorrect dimensions, or damaged during production.
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Q6. Do you know about OEE and how to calculate
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OEE stands for Overall Equipment Effectiveness, a measure of how well a manufacturing process is utilized.
• OEE is calculated by multiplying Availability, Performance, and Quality percentages.

• Availability = (Operating Time / Planned Production Time) * 100

• Performance = (Ideal Cycle Time / Total Count) * 100

• Quality = (Good Count / Total Count) * 100

• OEE = Availability * Performance * Quality

• For example, if a machine operate...read more
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Q7. How to manage production loss
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Production loss can be managed by identifying root causes, implementing preventive measures, optimizing processes, and continuously monitoring performance.
• Identify root causes of production loss through root cause analysis

• Implement preventive measures such as regular maintenance, training programs, and quality control checks

• Optimize processes by streamlining workflows, improving efficiency, and reducing waste

• Continuous...read more
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Q8. Do you know about lean manufacturing
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Lean manufacturing is a production method aimed at minimizing waste and maximizing efficiency.
• Focuses on continuous improvement

• Eliminates waste in processes

• Involves just-in-time production

• Uses tools like value stream mapping and 5S

• Promotes employee involvement and empowerment
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Q9. Do you know about autonomous maintenance
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Autonomous maintenance is a maintenance strategy where operators are responsible for routine maintenance tasks.
• Autonomous maintenance involves operators taking ownership of basic maintenance tasks such as cleaning, lubricating, and inspecting equipment.

• The goal of autonomous maintenance is to prevent breakdowns and improve overall equipment effectiveness.

• Operators are trained to identify abnormalities and address them ...read more
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Q1. Least count of a vernier caliper, micrometer or steam turbine etc
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The least count of a measuring instrument is the smallest value that can be measured with it.
• The least count of a vernier caliper is typically 0.02 mm.

• The least count of a micrometer is typically 0.01 mm.

• The least count of a steam turbine depends on the specific turbine and its design.
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Easy normal quesstion basic questions

Q1. Easy questions , 1st law of thermodyanamics, more hr based
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Q2. 1st law thermodyanics
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Q3. What is turbines
Ans. 
Turbines are machines that convert fluid energy into mechanical energy by using a rotor to capture the energy of a moving fluid.
• Turbines are commonly used in power plants to generate electricity from steam, water, or wind.

• There are different types of turbines such as steam turbines, gas turbines, and wind turbines.

• The rotor of a turbine is connected to a shaft which drives a generator to produce electricity.

• Turbines ar...read more
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Q4. What is conduction
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Conduction is the transfer of heat or electricity through a material without any movement of the material itself.
• Conduction occurs through direct contact between particles in a material.

• Materials with high conductivity, like metals, transfer heat or electricity more efficiently.

• Examples include a metal spoon getting hot when placed in a hot liquid, or a wire conducting electricity.

• Insulators, like rubber or wood, have ...read more
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Q5. What is convection
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Convection is the transfer of heat through a fluid (liquid or gas) by the movement of the fluid itself.
• Convection occurs when a fluid is heated, becomes less dense, and rises, while cooler fluid sinks and takes its place.

• Examples of convection include boiling water, ocean currents, and atmospheric circulation.

• Convection is an important mechanism for heat transfer in many engineering applications.
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Q1. Types of engine and whatis that
Ans. 
Types of engines include internal combustion engines, steam engines, and electric engines.
• Internal combustion engines: gasoline, diesel, rotary, etc.

• Steam engines: used in locomotives, ships, and industrial settings.

• Electric engines: used in electric vehicles, trains, and some aircraft.
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Q1. About your life and your family .
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Q1. About your knowledge test
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