Tata Sikorsky Aerospace Manufacturing Engineer Interview Questions and Answers for Experienced

Choose a MOSFET based on voltage, current, power dissipation, switching speed, and package type.

• Consider voltage and current requirements

• Look at power dissipation and thermal considerations

• Evaluate switching speed needed for the application

• Choose the appropriate package type for mounting and heat dissipation

• Check for additional features like built-in protection circuits

• Example: For high power applications, choose a MOS

Lean manufacturing is a systematic approach to eliminate waste and improve efficiency in manufacturing processes.

• It involves identifying and eliminating non-value-added activities

• It focuses on continuous improvement and involves all employees in the process

• Examples include just-in-time manufacturing, 5S methodology, and value stream mapping

• Lean manufacturing can lead to reduced costs, improved quality, and increased pr

Lean manufacturing is a systematic approach to minimize waste and maximize efficiency in production processes.

• It involves continuous improvement and elimination of non-value-added activities.

• Examples include just-in-time inventory, 5S workplace organization, and value stream mapping.

• Lean manufacturing can lead to reduced costs, improved quality, and increased productivity.

• It requires a culture of teamwork, communicatio...read more

5why analysis is a problem-solving technique used to identify the root cause of an issue by asking 'why' multiple times.

• 5why analysis involves asking 'why' five times to get to the root cause of a problem.

• It helps in identifying the underlying reasons for a problem rather than just addressing the symptoms.

• By repeatedly asking 'why', it helps in uncovering the chain of events that led to the issue.

• 5why analysis is commo...read more

Fixtures are devices used to securely hold workpieces in place during manufacturing processes.

• Types of fixtures include jigs, templates, clamps, and chucks

• Jigs are used to guide cutting tools and ensure accuracy in machining operations

• Templates are used to quickly position workpieces for repetitive tasks

• Clamps are used to hold workpieces in place with adjustable pressure

• Chucks are used to securely grip cylindrical work

CNC machine stands for Computer Numerical Control machine, which is a computer-controlled manufacturing tool used for cutting, milling, drilling, and shaping various materials.

• CNC machines use computer programs to control the movement of the cutting tool or workpiece, resulting in precise and accurate machining.

• They are commonly used in industries such as automotive, aerospace, and electronics for mass production of pa...read more

As a Manufacturing Engineer, my role was to design and optimize manufacturing processes to improve efficiency and quality.

• Designed and implemented new manufacturing processes

• Identified areas for process improvement and implemented changes

• Collaborated with cross-functional teams to ensure smooth production flow

• Conducted time studies and analyzed production data to identify bottlenecks

• Developed and maintained work instru...read more

I have a strong background in manufacturing engineering and a proven track record of improving processes and increasing efficiency.

• I have a Bachelor's degree in Manufacturing Engineering and have completed internships at two different manufacturing companies.

• I have experience implementing lean manufacturing principles and have successfully reduced production time by 20% at my previous job.

• I am skilled in using CAD soft...read more

I have designed various tooling elements and selected materials based on their properties and application requirements.

• Designed tooling elements for manufacturing processes such as injection molding, stamping, and machining

• Selected materials based on properties such as strength, durability, and heat resistance

• Considered application requirements such as cost, weight, and environmental factors

• Examples include designing i...read more

We use a combination of CNC machining and injection molding for our manufacturing process.

• CNC machining is used for precision parts

• Injection molding is used for high volume production

• We also use 3D printing for prototyping

• Our manufacturing process is constantly evolving to improve efficiency and quality

Surface finish requirement for tooling elements is critical for achieving desired product quality.

• Surface finish affects the performance of the tooling element.

• It impacts the appearance and functionality of the final product.

• Surface finish is measured in Ra (roughness average) or Rz (roughness depth).

• The required surface finish depends on the application and material being used.

• For example, a mirror finish may be requi...read more

GD&T stands for Geometric Dimensioning and Tolerancing. It is a system of symbols and rules used to specify the geometry of mechanical parts.

• GD&T is used to ensure that parts fit together correctly and function properly.

• Some common symbols used in GD&T include concentricity, perpendicularity, and flatness.

• GD&T is often used in industries such as aerospace, automotive, and manufacturing.

• It allows for more precise commun...read more