Jamna Auto Industries Engineer Interview Questions and Answers

Q1. Type of welding
Ans. 
There are various types of welding processes used in engineering, such as MIG, TIG, stick, and flux-cored welding.
• MIG (Metal Inert Gas) welding uses a wire electrode and shielding gas to join metals together.

• TIG (Tungsten Inert Gas) welding uses a non-consumable tungsten electrode and shielding gas for precise and clean welds.

• Stick welding, also known as Shielded Metal Arc Welding (SMAW), uses a flux-coated electrode t...read more
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Q2. Sheet metal manufacturing process
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Sheet metal manufacturing process involves cutting, bending, and assembling metal sheets to create various products.
• Cutting: Using tools like shears, lasers, or plasma cutters to cut the metal sheets into desired shapes.

• Bending: Utilizing press brakes to bend the metal sheets into specific angles and shapes.

• Assembling: Joining the cut and bent metal pieces together through welding, riveting, or fastening methods.

• Finish...read more
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Q1. What is ecn &ecr and how it implement
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ECN stands for Engineering Change Notice and ECR stands for Engineering Change Request. They are used to document and implement changes in engineering designs.
• ECN (Engineering Change Notice) is a document used to communicate changes in engineering designs to relevant stakeholders.

• ECR (Engineering Change Request) is a formal proposal to make changes to an engineering design.

• ECRs are typically submitted by engineers or p...read more
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Q1. Salary Expectation
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Q1. Sheet metal techniques
Ans. 
Sheet metal techniques involve cutting, bending, and shaping metal sheets to create various components.
• Cutting techniques include shearing, sawing, and laser cutting.

• Bending techniques involve using a press brake or a roller to create bends in the metal.

• Shaping techniques can include stretching, shrinking, and deep drawing.

• Common sheet metal components include brackets, enclosures, and panels.
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Q2. Simulation in solidworks
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Simulation in Solidworks allows engineers to test designs virtually before physical prototyping.
• Solidworks Simulation helps analyze stress, vibration, thermal effects, and more on designs.

• It allows for optimization of designs to improve performance and reduce costs.

• Examples include testing the strength of a bridge design or analyzing heat dissipation in an electronic component.

• Simulation results can be used to make inf...read more
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Q3. Tip stability procedure
Ans. 
Tip stability procedure involves ensuring the stability of a structure or equipment's tip to prevent accidents or damage.
• Check the center of gravity of the structure or equipment

• Ensure proper anchoring or support for the tip

• Consider wind or external forces that may affect tip stability

• Regularly inspect and maintain the tip stability procedure
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Q4. Fool proofing techniques
Ans. 
Fool proofing techniques are methods used to prevent mistakes or errors from occurring.
• Implementing thorough testing procedures

• Providing clear instructions and guidelines

• Using automation tools to reduce human error

• Implementing checks and balances in the system

• Training employees on best practices and potential pitfalls
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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
Ans. 
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. 1.What is CBM and TBM 2. How to calculate MTTR and MTBF 3. What is the TPM 4. Problem solving skill 5. Types of bearing 6. Cnc machine ball screw replacement procedure
Ans. 
CBM stands for Condition-Based Maintenance and TBM stands for Tunnel Boring Machine.
• CBM is a maintenance strategy that uses real-time data to determine the condition of equipment and schedule maintenance accordingly.

• TBM is a machine used to excavate tunnels with a circular cross-section through a variety of soil and rock strata.

• MTTR (Mean Time to Repair) is the average time required to repair a failed component or syst...read more
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Q2. What is the hydraulic system and working
Ans. 
A hydraulic system is a technology that uses fluid to transmit power and control movement.
• Hydraulic systems use a fluid, typically oil or water, to transmit power.

• The system consists of a pump, valves, actuators, and fluid lines.

• The pump pressurizes the fluid, which is then distributed through the system.

• Valves control the flow and direction of the fluid.

• Actuators, such as cylinders or motors, convert the fluid pressur...read more
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Q1. Company policy discuss
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Product design and engineering

Q1. Explain stress strain curve,
Ans. 
Stress strain curve shows the relationship between stress and strain in a material under tension.
• It is a graphical representation of how a material deforms under stress.

• The curve typically consists of three regions: elastic deformation, plastic deformation, and fracture.

• The slope of the curve in the elastic region is the material's Young's Modulus.

• The ultimate tensile strength is the maximum stress a material can withs...read more
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Q2. How to select welding type and strength calculations
Ans. 
Welding type selection is based on material compatibility and joint requirements. Strength calculations involve determining load, material properties, and safety factors.
• Consider material compatibility when selecting welding type (e.g. MIG, TIG, stick)

• Determine joint requirements such as strength, aesthetics, and cost

• Strength calculations involve determining loads, material properties, and safety factors

• Use appropriate...read more
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Q3. Bearing selection, linear guide calculations
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Q4. Materials selections criteria- Hardness, toughness , tensile strength,
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Q5. CNC codes and Basic machining operations
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Q6. Turning operations setup basics , runout setting, wave check , inserts selections ( CNMG, DNMG)
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Q1. Why you want to join
Ans. 
I am passionate about solving complex engineering problems and contributing to innovative projects.
• Excited about the opportunity to work on cutting-edge technology

• Passionate about problem-solving and innovation

• Interested in collaborating with a talented team of engineers

• Seeking a challenging and rewarding career in engineering
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Q2. Salary expectations
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Q3. Your working style
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I am detail-oriented, organized, and focused on problem-solving.
• I prioritize tasks based on deadlines and importance.

• I pay close attention to details to ensure accuracy in my work.

• I am proactive in identifying and solving problems before they escalate.

• I communicate effectively with team members to collaborate and achieve goals.

• I am adaptable and open to feedback for continuous improvement.
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Q4. How to deal people in difficult situations
Ans. 
Dealing with people in difficult situations requires empathy, active listening, and problem-solving skills.
• Show empathy and understanding towards their feelings and emotions

• Practice active listening to fully understand their perspective

• Offer support and reassurance to help them feel more comfortable

• Collaborate on finding solutions together to address the difficult situation

• Maintain a calm and composed demeanor to help
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Q1. Plc logic creation for special cases like motor running with one same switch
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Q2. Quality improvement completed past three days
Ans. 
Implemented new quality control measures to reduce defects and improve product reliability.
• Introduced a new inspection process to catch defects earlier

• Trained employees on proper quality control techniques

• Updated equipment to improve accuracy and precision

• Collaborated with suppliers to ensure consistent quality of raw materials
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Q1. Basic general question only asked
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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. What ever you have mentioned in CV
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Q1. Company profile of current organization
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