Ashwin Precision Products QA QC Engineer Interview Questions and Answers

Casting should be thorough

Aluminium die Casting

Q1. Write and explain GD&T symbols?
Ans. 
GD&T symbols are used to specify the geometric requirements of a part or assembly.
• GD&T stands for Geometric Dimensioning and Tolerancing

• Symbols include: flatness, circularity, perpendicularity, concentricity, position, and more

• Each symbol has a specific meaning and is used to communicate precise engineering requirements

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

• Example: A position symbol...read more
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Q2. Explain Cp, Cpk & Pp, Ppk?
Ans. 
Cp, Cpk, Pp, and Ppk are statistical process control indices used to measure process capability and performance.
• Cp and Cpk measure how well a process meets its specifications, with Cpk being more accurate for non-centered processes.

• Pp and Ppk measure how well a process performs relative to its natural variation, with Ppk being more accurate for non-centered processes.

• All four indices are calculated using the process me...read more
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Q1. Related to GD&T, CNC programming knowledge, SPC, Fixture design and development, Tool design and development.
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Q1. Mix design of concrete?
Ans. 
Mix design of concrete involves determining the proportions of various ingredients to achieve desired properties.
• The mix design process involves determining the water-cement ratio, aggregate-cement ratio, and admixture dosage.

• Factors such as strength, workability, and durability are considered when designing the mix.

• Examples of admixtures include water reducers, air-entraining agents, and superplasticizers.
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Q2. Durability parameters of concrete?
Ans. 
Durability parameters of concrete include compressive strength, permeability, and resistance to freeze-thaw cycles.
• Compressive strength is the most commonly used parameter to measure concrete durability.

• Permeability is the ability of concrete to resist water penetration.

• Resistance to freeze-thaw cycles is important in areas with cold climates.

• Other parameters include abrasion resistance, chemical resistance, and shrink...read more
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Q3. ISO 9001 old vs new version?
Ans. 
ISO 9001:2015 emphasizes risk-based thinking and a process approach to quality management.
• ISO 9001:2015 has a stronger focus on leadership and top management involvement

• The new version emphasizes risk-based thinking and a process approach to quality management

• ISO 9001:2015 has a greater emphasis on measuring and evaluating the effectiveness of quality management systems

• The new version also includes a greater emphasis o...read more
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Q4. Rebar test parameter?
Ans. 
Rebar test parameters include diameter, length, weight, and tensile strength.
• Diameter: measured using a caliper or micrometer

• Length: measured using a tape measure or ruler

• Weight: measured using a scale

• Tensile strength: measured using a tensile testing machine

• Other parameters may include bend and rebend tests, weldability, and corrosion resistance
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Q5. Documentation at project lab?
Ans. 
Documentation is crucial in project lab for traceability and quality assurance.
• All activities and results should be documented

• Documentation should be clear, concise and accurate

• Documentation should be easily accessible and organized

• Documentation should include test plans, test cases, test results, and any deviations from the plan

• Documentation should be reviewed and approved by relevant stakeholders
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General intelligence

Q1. Fav subject and project related
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