Subros Design Engineer Interview Questions and Answers

Q1. How many type of defect and define those defects in detail?
Ans. 
There are three main types of defects in engineering: design defects, manufacturing defects, and usage defects.
• Design defects occur when there is an issue with the initial design of a product, leading to problems in its functionality or safety. For example, a car with a faulty braking system due to a design flaw.

• Manufacturing defects happen during the production process, resulting in a product that does not meet the in...read more
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Q2. Define 7 wastes
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The 7 wastes refer to inefficiencies in a process that can be eliminated to improve productivity and quality.
• Transportation: Unnecessary movement of materials or products

• Inventory: Excess inventory leading to waste of resources

• Motion: Unnecessary movement of people

• Waiting: Idle time in a process

• Overproduction: Producing more than needed

• Overprocessing: Doing more work than necessary

• Defects: Errors that require rework or
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Q3. What is line balance and how we can say line is balance?
Ans. 
Line balance refers to distributing workload evenly among different stations in a production line to optimize efficiency.
• Line balance ensures that each station in the production line has a similar amount of work to do.

• It helps in preventing bottlenecks and maximizing throughput.

• Line balance can be achieved by adjusting the cycle times at each station or by adding/subtracting workstations.

• An example of line balance is i...read more
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Q4. How you start you day in office??
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Q5. How we can reduce defects and increase productivity?
Ans. 
To reduce defects and increase productivity, focus on continuous improvement, training, quality control, and efficient processes.
• Implement a quality control system to catch defects early on

• Provide regular training to employees to improve skills and knowledge

• Analyze data to identify root causes of defects and implement corrective actions

• Streamline processes to eliminate waste and improve efficiency
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Q6. What is an OEE and define which factors affect this ?
Ans. 
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.

• Factors affecting OEE include equipment downtime, speed loss, and defects in production.

• Improving OEE involves reducing downtime, increasing production speed, and minimizing defects.

• For example, implementing preventive maintenance can reduce eq
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Q1. Where are you from ?
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Q2. How many members in your family?
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Q3. What is occupation of your father and mother?
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Q4. Are you ready for relocate?
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Q1. What will you do if your co worker is suddenly absent?
Ans. I will manage myself by making proper time plan and work schedule
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Q1. Basic TPM and 8 pillar
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Q2. How to improve productivity
Ans. 
Improving productivity can be achieved through efficient time management, clear communication, and continuous learning.
• Set clear goals and prioritize tasks

• Eliminate distractions and delegate tasks when possible

• Use technology and automation to streamline processes

• Encourage open communication and collaboration within the team

• Invest in employee training and development

• Regularly evaluate and adjust strategies for improveme
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Q3. What is SMED ? AND BENIFITS
Ans. 
SMED stands for Single Minute Exchange of Die. It is a lean manufacturing technique used to reduce setup time.
• SMED helps in reducing the time taken to changeover from one production process to another

• It involves breaking down the setup process into smaller steps and converting internal setup to external setup

• Benefits of SMED include increased productivity, reduced inventory, improved quality, and increased flexibility

• E...read more
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What is Plastics and its application

Q1. Family status brother and sister
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Q2. Annual income of family
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The annual income of my family is around $80,000.
• Annual income includes salaries, bonuses, investments, etc.

• It is important to consider all sources of income for an accurate figure.

• Income can vary based on family size and expenses.

• Example: My family's annual income is $80,000, which includes my salary, my spouse's salary, and rental income from a property.

• Example: Factors like inflation and job changes can impact annua
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Q3. What is your brother doing
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Q4. What does your mother
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Q5. What does your father
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Technical and aptitude

Q1. What is angle of projection
Ans. 
Angle of projection is the angle at which an object is projected from the horizontal.
• Angle of projection is crucial in determining the trajectory of a projectile.

• It is measured from the horizontal axis to the direction of projection.

• Different angles of projection result in different ranges and heights of the projectile.

• For example, a 45-degree angle of projection will result in the maximum range for a projectile launch
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Q2. What Material use in TIG welding
Ans. 
Various materials can be used in TIG welding, including stainless steel, aluminum, copper, nickel, titanium, and more.
• Stainless steel

• Aluminum

• Copper

• Nickel

• Titanium
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Q1. What is Tool angle
Ans. 
Tool angle refers to the angle between the cutting edge of a tool and the workpiece being machined.
• Tool angle affects the cutting forces, chip formation, and surface finish of the machined part.

• Different types of tools have different optimal tool angles for specific machining operations.

• Examples of tool angles include rake angle, clearance angle, and cutting edge angle.
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Q2. What is sprue bush
Ans. 
A sprue bush is a component used in injection molding to direct molten plastic into the mold cavity.
• Sprue bush is typically made of hardened steel to withstand high temperatures and pressure.

• It is designed to evenly distribute the molten plastic to prevent defects in the final product.

• The size and shape of the sprue bush can affect the flow of plastic and the overall quality of the molded part.
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