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Steel grading system categorizes steel based on its chemical composition, physical properties, and intended use.
Steel grades are typically classified by a numbering system such as AISI, ASTM, or SAE.
Grades indicate the carbon content, strength, and other alloying elements present in the steel.
Examples include AISI 304 stainless steel, ASTM A36 structural steel, and SAE 4140 alloy steel.
The structure after forging is typically more refined and denser compared to the original material.
Forging process rearranges the internal grain structure of the material
Grain boundaries become more uniform and aligned
Increases in strength and toughness can be observed
Reduction in porosity and defects
Examples: Steel forged into a crankshaft, aluminum forged into aircraft components
Sample locations in a carburizing furnace are crucial for accurate analysis of the process.
Sample locations should be evenly distributed throughout the furnace to ensure representative results.
Consider placing samples at different heights and distances from the heat source to account for temperature variations.
Samples should be placed in areas where carburization is expected to be most effective, such as near the carbo...
Fine pearlite and getrite have different effects on the properties of steel.
Fine pearlite increases strength and hardness of steel due to its fine structure.
Getrite improves toughness and ductility of steel by reducing the amount of pearlite present.
Fine pearlite is formed by rapid cooling, while getrite is formed by slow cooling.
The combination of fine pearlite and getrite can result in a balanced mix of strength, tou...
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posted on 25 Jul 2024
A motor is a device that converts electrical energy into mechanical energy to produce motion.
Motors work on the principle of electromagnetic induction
They consist of a rotor and a stator
Common types include DC motors, AC motors, and stepper motors
Motors are used in various applications such as industrial machinery, household appliances, and vehicles
The pick current of a motor refers to the maximum current that the motor can draw under normal operating conditions.
Pick current is important for determining the appropriate size of protective devices such as fuses and circuit breakers.
It is also crucial for selecting the right motor starter and ensuring the motor operates safely.
For example, a motor with a pick current of 10A would require a fuse or circuit breaker ra...
I was interviewed in Jan 2024.
Yes, I have prepared CAPA (Corrective and Preventive Action) reports in my previous roles.
Yes, I have prepared CAPA reports to address quality issues and prevent their recurrence.
I have experience in conducting root cause analysis to identify the underlying issues.
I have implemented corrective actions to address immediate concerns and preventive actions to avoid future issues.
I have also monitored the effectiveness of
APQP stands for Advanced Product Quality Planning. It is a structured method for defining and establishing the steps necessary to ensure that a product satisfies the customer.
APQP is a quality framework used in the automotive industry to ensure that products meet customer requirements.
It involves a series of phases including planning, product design and development, process design and development, product and process v...
7QC Tools are a set of tools used for quality control and improvement in manufacturing processes.
Check Sheet: Used to collect and analyze data, such as defects in a product.
Histogram: Shows the frequency distribution of a set of data.
Pareto Chart: Helps identify the most significant factors contributing to a problem.
Cause and Effect Diagram (Fishbone Diagram): Used to identify and analyze potential causes of a problem.
...
PPAP documents include documents like control plan, FMEA, measurement system analysis, etc.
Control Plan
FMEA (Failure Mode and Effects Analysis)
Measurement System Analysis
Part Submission Warrant
Process Flow Diagram
Appearance Approval Report
Acceptance criteria for SPC&MSA involves setting specific requirements for statistical process control and measurement system analysis.
Acceptance criteria for SPC should include specifications for control limits, process stability, and capability indices.
Acceptance criteria for MSA should include requirements for bias, linearity, stability, repeatability, and reproducibility.
Examples of acceptance criteria for SPC coul...
Severity in PFMEA is declared based on the potential impact of a failure mode on the overall process or product.
Severity is typically rated on a scale from 1 to 10, with 1 being the least severe and 10 being the most severe.
Consider the consequences of a failure mode on customer safety, regulatory compliance, product functionality, and overall process performance.
Examples of high severity failure modes include those th...
posted on 26 Aug 2024
I applied via Naukri.com and was interviewed in Nov 2023. There were 2 interview rounds.
posted on 23 May 2024
The source name of the laser cutting machine is typically the manufacturer's name or a specific model name.
The source name could be the manufacturer's name, such as Trumpf or Amada.
It could also be a specific model name, like Trumpf TruLaser Series or Amada LC3015.
posted on 25 Jun 2022
I applied via Referral and was interviewed before Jun 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Jan 2023. There were 2 interview rounds.
AC DC transformer motor automation is a process of controlling and regulating the operation of a motor using an AC DC transformer.
AC DC transformer motor automation involves converting AC power to DC power using a transformer.
The DC power is then used to control and regulate the operation of a motor.
This automation process allows for efficient and precise control of motor speed, torque, and direction.
Examples of AC DC ...
posted on 3 Feb 2023
I applied via campus placement at Rural Polytechnic, Haunsbhavi and was interviewed in Aug 2022. There were 4 interview rounds.
Some general knowledge questions
Cutting tools are made of various materials depending on the application.
High-speed steel (HSS) is commonly used for general-purpose cutting tools.
Carbide is used for cutting hard materials like steel and titanium.
Ceramics are used for high-speed cutting of cast iron and other hard materials.
Diamond is used for cutting non-ferrous materials like glass and ceramics.
Cobalt steel is used for cutting stainless steel and ot
1mm is equal to 1000 microns.
1mm = 1000 microns
Micron is a unit of measurement for length equal to one millionth of a meter
Microns are commonly used in manufacturing and engineering applications
To attend this job is an opportunity to apply my skills and knowledge in production engineering and contribute to the success of the company.
Opportunity to utilize my technical skills and expertise in production engineering
Chance to contribute to the success and growth of the company
Ability to work on challenging projects and solve complex problems
Opportunity for professional development and career advancement
Collabora...
I come from a supportive family background and chose not to pursue higher education for practical reasons.
My family has always been supportive of my decisions and encouraged me to pursue my interests.
I decided not to go for higher education because I wanted to gain practical experience in the field of production engineering.
I believed that hands-on experience and learning on the job would be more valuable for my career...
Electrical loads can be categorized into three types: resistive, inductive, and capacitive.
Resistive loads convert electrical energy into heat, such as incandescent light bulbs.
Inductive loads store energy in a magnetic field, such as motors and transformers.
Capacitive loads store energy in an electric field, such as capacitors in electronic circuits.
Documents maintained in a maintenance department include work orders, equipment manuals, maintenance logs, and safety records.
Work orders: Used to track and schedule maintenance tasks.
Equipment manuals: Provide instructions for maintenance and troubleshooting.
Maintenance logs: Record details of completed maintenance activities.
Safety records: Document safety inspections and compliance.
Inventory records: Track spare par...
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Quality Engineer
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Senior Engineer
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Quality Inspector
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